SDN World 3 Ship Design Thread

[Steve]

Right now I'm becoming extremely pissed off with SpringSharp, or rather its coders who haven't yet activated the engine weight system because it's kind of god damned important to anyone wanting to design, say, destroyers or light cruisers that generally used light-weight machinery to save tonnage and gain speed, and without the ability to properly simulate ships of these types we're all stuck using historic ones or very-lightly-altered historic ones.

But that might be my tiredness, so I'm going to bed. G'night.

[MKSheppard]

Use version 2.0 like everyone else.

[MKSheppard]

Or try this equation I produced

link

it's very accurate for a range of destroyers ranging from DD-1 Bainbridge to DL-2 (1900 to 1940). I was unable to see if it actually worked for battleships, because the hull weight group includes armor (e.g. deck armor is included in the hull weight).

[K. A. Pital]

A question to Thanas now that I thought of it - did you get all or some of the Viribus Unitis (Tegetthoff)-class from Austro-Hungary upon consuming it?

[Raesene]

A question to Thanas now that I thought of it - did you get all or some of the Viribus Unitis (Tegetthoff)-class from Austro-Hungary upon consuming it?

I can answer that - most of them should be lost in a fleet battle with Italy (same way I removed some of the Italian dreadnoughts and older vessels from my OoB). He planned to retain only one of them. The writeup of the battle is on my to-do-list, but unfortunately I haven't found the time to write it yet.

[Sea Skimmer]

Actually, looking at the stats on Lexington as a battlecruiser, they're pretty much the same ship save that Lexington was to have even less protection, similar speed profile, and a set of 16"/50s instead of 16"/45s. She was to be heavier, too.....

Also widely considered to the worst white elephants ever laid down for the US navy. The original two story boiler room alone should have been a game stopper. The thin armor made a certain amount of sense in 1916, had it been in service at that point. Lexington was the product of a three pronged attempt (the others are Omahas and four piper destroyers) to give the USN the modern scouting force it had never had in the dreadnought era. All the designs were pretty miserable in the intended role and many officers doubted that the extra speed made any difference in strategic terms.

The bright side was, attempts to fix all the problems this scouting force had led directly to the design of the first treaty cruisers and the 10,000 ton limit at Washington.

Hrm, Skim, what do you do about the fact that a ship that's not at least 700 or so feet in length lacks the natural speed to achieve anything past 30 knots, so anything above that quickly results in a poor or bad seaboat unless you excessively raise the freeboard or generally do other things that sacrifice stability and ability to take broadside recoil?

Now you know why so many destroyers need so damn much power to go fast compared to battleships, and have raised forecastles and yet go really slow in storms. A transom stern and bulbous bow (little used to the point of being largely unknown in 1925) will reduce resistance. Playing with the length to beam ratio and block coefficient to get the same tonnage different ways may also save you a bit of drag. Reducing top weight helps too. However this really is just one of the classic dilemmas of shipbuilding. On the Iowa class you can see how narrow and squished the bow is, this was to gain more length and thus natural hull speed for the minimal tonnage. The result was an Iowa also plows its bow into every wave all storm long as the bow has minimal buoyancy.

[Fingolfin_Noldor]

Hmm.. On second thought, I think I might shave off some speed off my 50,000tonne battleship, and cut it back down to 24-26knots. That way, I can haul up more armor and still be able to fight at range. That might be a better idea than to sacrifice too much in exchange for speed.

[Fingolfin_Noldor]

This is probably the final design for my 1922 50ktonne battleship.

My carriers will likely be just Lexingtons.

Proto Battleship, Byzantium Battleship laid down 1922

Displacement:
47,283 t light; 49,934 t standard; 54,742 t normal; 58,588 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(892.40 ft / 869.42 ft) x 108.27 ft x (36.09 / 38.03 ft)
(272.00 m / 265.00 m) x 33.00 m x (11.00 / 11.59 m)

Armament:
9 - 16.00" / 406 mm 50.0 cal guns - 2,168.09lbs / 983.43kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1922 Model
3 x 3-gun mounts on centreline ends, evenly spread
1 raised mount - superfiring
16 - 6.00" / 152 mm 45.0 cal guns - 108.92lbs / 49.41kg shells, 150 per gun
Breech loading guns in casemate mounts, 1922 Model
16 x 2-gun mounts on sides amidships
8 raised mounts
8 - 5.00" / 127 mm 25.0 cal guns - 56.77lbs / 25.75kg shells, 400 per gun
Dual purpose guns in deck and hoist mounts, 1922 Model
4 x Twin mounts on side ends, evenly spread
32 - 0.79" / 20.0 mm 70.0 cal guns - 0.27lbs / 0.12kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1922 Model
8 x 4-gun mounts on centreline, aft deck forward
Weight of broadside 21,718 lbs / 9,851 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16.0" / 406 mm 570.00 ft / 173.74 m 19.00 ft / 5.79 m
Ends: Unarmoured
Main Belt covers 101 % of normal length

- Torpedo Bulkhead:
5.00" / 127 mm 410.00 ft / 124.97 m 20.00 ft / 6.10 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 16.0" / 406 mm 16.0" / 406 mm
2nd: 8.00" / 203 mm 6.00" / 152 mm 8.00" / 203 mm
3rd: 5.00" / 127 mm 2.00" / 51 mm 3.00" / 76 mm

- Armoured deck - multiple decks: 7.00" / 178 mm For and Aft decks
Forecastle: 4.50" / 114 mm Quarter deck: 4.50" / 114 mm

- Conning towers: Forward 11.00" / 279 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 67,992 shp / 50,722 Kw = 24.00 kts
Range 10,000nm at 16.00 kts
Bunker at max displacement = 8,653 tons

Complement:
1,789 - 2,326

Cost:
£11.200 million / $44.800 million

Distribution of weights at normal displacement:
Armament: 4,608 tons, 8.4 %
Armour: 22,381 tons, 40.9 %
- Belts: 7,331 tons, 13.4 %
- Torpedo bulkhead: 1,517 tons, 2.8 %
- Armament: 4,807 tons, 8.8 %
- Armour Deck: 8,384 tons, 15.3 %
- Conning Tower: 342 tons, 0.6 %
Machinery: 2,306 tons, 4.2 %
Hull, fittings & equipment: 17,895 tons, 32.7 %
Fuel, ammunition & stores: 7,459 tons, 13.6 %
Miscellaneous weights: 92 tons, 0.2 %
- Hull above water: 20 tons
- On freeboard deck: 72 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
93,303 lbs / 42,322 Kg = 45.6 x 16.0 " / 406 mm shells or 17.7 torpedoes
Stability (Unstable if below 1.00): 1.00
Metacentric height 5.7 ft / 1.7 m
Roll period: 19.1 seconds
Steadiness - As gun platform (Average = 50 %): 78 %
- Recoil effect (Restricted arc if above 1.00): 0.77
Seaboat quality (Average = 1.00): 1.27

Hull form characteristics:
Hull has a flush deck,
a ram bow and large transom stern
Block coefficient (normal/deep): 0.564 / 0.573
Length to Beam Ratio: 8.03 : 1
'Natural speed' for length: 34.00 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 24.00 %, 32.81 ft / 10.00 m, 19.69 ft / 6.00 m
- Forward deck: 45.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Aft deck: 17.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 14.00 %, 19.69 ft / 6.00 m, 22.97 ft / 7.00 m
- Average freeboard: 21.17 ft / 6.45 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 61.5 %
- Above water (accommodation/working, high = better): 145.3 %
Waterplane Area: 69,318 Square feet or 6,440 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 210 lbs/sq ft or 1,027 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

[Fingolfin_Noldor]

Or rather, maybe this:

Proto Battleship, Byzantium Battleship laid down 1922

Displacement:
46,789 t light; 49,843 t standard; 54,645 t normal; 58,486 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(892.40 ft / 869.42 ft) x 108.27 ft x (36.09 / 38.03 ft)
(272.00 m / 265.00 m) x 33.00 m x (11.00 / 11.59 m)

Armament:
9 - 16.00" / 406 mm 50.0 cal guns - 2,168.09lbs / 983.43kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1922 Model
3 x 3-gun mounts on centreline ends, evenly spread
1 raised mount - superfiring
16 - 6.00" / 152 mm 45.0 cal guns - 108.92lbs / 49.41kg shells, 150 per gun
Breech loading guns in casemate mounts, 1922 Model
16 x 2-gun mounts on sides amidships
8 raised mounts
8 - 5.00" / 127 mm 25.0 cal guns - 56.77lbs / 25.75kg shells, 2,000 per gun
Dual purpose guns in deck and hoist mounts, 1922 Model
4 x Twin mounts on side ends, evenly spread
4 raised mounts
32 - 0.79" / 20.0 mm 70.0 cal guns - 0.27lbs / 0.12kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1922 Model
8 x 4-gun mounts on centreline, aft deck forward
Weight of broadside 21,718 lbs / 9,851 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16.0" / 406 mm 570.00 ft / 173.74 m 18.00 ft / 5.49 m
Ends: Unarmoured
Main Belt covers 101 % of normal length

- Torpedo Bulkhead:
5.00" / 127 mm 410.00 ft / 124.97 m 20.00 ft / 6.10 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 16.0" / 406 mm 16.0" / 406 mm
2nd: 8.00" / 203 mm 6.00" / 152 mm 8.00" / 203 mm
3rd: 5.00" / 127 mm 2.00" / 51 mm 3.00" / 76 mm

- Armoured deck - multiple decks: 7.00" / 178 mm For and Aft decks
Forecastle: 4.00" / 102 mm Quarter deck: 4.00" / 102 mm

- Conning towers: Forward 11.00" / 279 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 67,902 shp / 50,655 Kw = 24.00 kts
Range 10,000nm at 16.00 kts
Bunker at max displacement = 8,644 tons

Complement:
1,786 - 2,323

Cost:
£11.152 million / $44.607 million

Distribution of weights at normal displacement:
Armament: 4,608 tons, 8.4 %
Armour: 21,855 tons, 40.0 %
- Belts: 6,944 tons, 12.7 %
- Torpedo bulkhead: 1,517 tons, 2.8 %
- Armament: 4,809 tons, 8.8 %
- Armour Deck: 8,243 tons, 15.1 %
- Conning Tower: 341 tons, 0.6 %
Machinery: 2,303 tons, 4.2 %
Hull, fittings & equipment: 17,931 tons, 32.8 %
Fuel, ammunition & stores: 7,855 tons, 14.4 %
Miscellaneous weights: 92 tons, 0.2 %
- Hull above water: 20 tons
- On freeboard deck: 72 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
91,621 lbs / 41,559 Kg = 44.7 x 16.0 " / 406 mm shells or 17.2 torpedoes
Stability (Unstable if below 1.00): 1.00
Metacentric height 5.7 ft / 1.7 m
Roll period: 19.1 seconds
Steadiness - As gun platform (Average = 50 %): 77 %
- Recoil effect (Restricted arc if above 1.00): 0.77
Seaboat quality (Average = 1.00): 1.27

Hull form characteristics:
Hull has a flush deck,
a ram bow and large transom stern
Block coefficient (normal/deep): 0.563 / 0.572
Length to Beam Ratio: 8.03 : 1
'Natural speed' for length: 34.00 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 24.00 %, 32.81 ft / 10.00 m, 19.69 ft / 6.00 m
- Forward deck: 45.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Aft deck: 17.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 14.00 %, 19.69 ft / 6.00 m, 22.97 ft / 7.00 m
- Average freeboard: 21.17 ft / 6.45 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62.6 %
- Above water (accommodation/working, high = better): 145.4 %
Waterplane Area: 69,251 Square feet or 6,434 Square metres
Displacement factor (Displacement / loading): 117 %
Structure weight / hull surface area: 211 lbs/sq ft or 1,030 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily


I need to decide on whether i want to stock up on a lot of ammunition for the 5"/25, but I suspect yes.

[Fingolfin_Noldor]

Actually, is it a good idea to armor the secondary battery substantially? I'm not sure how much is good. I redid the armoring and layout of the secondary battery for this one:

Proto Battleship, Byzantium Battleship laid down 1922

Displacement:
46,879 t light; 49,934 t standard; 54,742 t normal; 58,588 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(892.40 ft / 869.42 ft) x 108.27 ft x (36.09 / 38.03 ft)
(272.00 m / 265.00 m) x 33.00 m x (11.00 / 11.59 m)

Armament:
9 - 16.00" / 406 mm 50.0 cal guns - 2,168.09lbs / 983.43kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1922 Model
3 x 3-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
16 - 6.00" / 152 mm 45.0 cal guns - 108.92lbs / 49.41kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1922 Model
8 x 2-gun mounts on sides, evenly spread
8 raised mounts
8 - 5.00" / 127 mm 25.0 cal guns - 56.77lbs / 25.75kg shells, 2,000 per gun
Dual purpose guns in deck and hoist mounts, 1922 Model
4 x Twin mounts on side ends, evenly spread
4 raised mounts
32 - 0.79" / 20.0 mm 70.0 cal guns - 0.27lbs / 0.12kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1922 Model
8 x 4-gun mounts on centreline, aft deck forward
Weight of broadside 21,718 lbs / 9,851 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16.0" / 406 mm 570.00 ft / 173.74 m 18.00 ft / 5.49 m
Ends: Unarmoured
Main Belt covers 101 % of normal length

- Torpedo Bulkhead:
5.00" / 127 mm 410.00 ft / 124.97 m 20.00 ft / 6.10 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 16.0" / 406 mm 16.0" / 406 mm
2nd: 3.00" / 76 mm 3.00" / 76 mm 3.00" / 76 mm
3rd: 5.00" / 127 mm 2.00" / 51 mm 3.00" / 76 mm

- Armoured deck - multiple decks: 7.00" / 178 mm For and Aft decks
Forecastle: 4.00" / 102 mm Quarter deck: 4.00" / 102 mm

- Conning towers: Forward 11.00" / 279 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 67,992 shp / 50,722 Kw = 24.00 kts
Range 10,000nm at 16.00 kts
Bunker at max displacement = 8,653 tons

Complement:
1,789 - 2,326

Cost:
£11.386 million / $45.544 million

Distribution of weights at normal displacement:
Armament: 4,811 tons, 8.8 %
Armour: 21,534 tons, 39.3 %
- Belts: 6,945 tons, 12.7 %
- Torpedo bulkhead: 1,517 tons, 2.8 %
- Armament: 4,480 tons, 8.2 %
- Armour Deck: 8,251 tons, 15.1 %
- Conning Tower: 342 tons, 0.6 %
Machinery: 2,306 tons, 4.2 %
Hull, fittings & equipment: 18,135 tons, 33.1 %
Fuel, ammunition & stores: 7,863 tons, 14.4 %
Miscellaneous weights: 92 tons, 0.2 %
- Hull above water: 20 tons
- On freeboard deck: 72 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
89,712 lbs / 40,693 Kg = 43.8 x 16.0 " / 406 mm shells or 16.6 torpedoes
Stability (Unstable if below 1.00): 1.00
Metacentric height 5.6 ft / 1.7 m
Roll period: 19.2 seconds
Steadiness - As gun platform (Average = 50 %): 74 %
- Recoil effect (Restricted arc if above 1.00): 0.79
Seaboat quality (Average = 1.00): 1.25

Hull form characteristics:
Hull has a flush deck,
a ram bow and large transom stern
Block coefficient (normal/deep): 0.564 / 0.573
Length to Beam Ratio: 8.03 : 1
'Natural speed' for length: 34.00 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 24.00 %, 32.81 ft / 10.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Aft deck: 32.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 14.00 %, 19.69 ft / 6.00 m, 22.97 ft / 7.00 m
- Average freeboard: 21.17 ft / 6.45 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 64.0 %
- Above water (accommodation/working, high = better): 145.3 %
Waterplane Area: 69,318 Square feet or 6,440 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 214 lbs/sq ft or 1,045 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

[Thanas]

A question to Thanas now that I thought of it - did you get all or some of the Viribus Unitis (Tegetthoff)-class from Austro-Hungary upon consuming it?

I can answer that - most of them should be lost in a fleet battle with Italy (same way I removed some of the Italian dreadnoughts and older vessels from my OoB). He planned to retain only one of them. The writeup of the battle is on my to-do-list, but unfortunately I haven't found the time to write it yet.

Actually, two were "sold" to Wilkens and Sorchus. So only one should have been sunk after all.

[Steve]

I think I'm going to give up trying to recreate anything smaller than a cruiser in SpringSharp. I was trying to make a 1924 alternative to the Farragut-class (since I'd like my latest destroyer to be better than the Clemson) and it strikes me as strange that I should have to double the design's tonnage to make it work in SpringSharp.

I was planning on a Clemson-class copy being the stable of my destroyer fleet unless I find a superior model from the British fleet, maybe. Anyway, NCIS time.

Edit: Oooh, the A-class looks nice, though I'd prefer 5" guns to go with my torpedoes. Could make an adaption of them as my 1923-1924 destroyer generation....

[Fingolfin_Noldor]

The A-class was laid in 1928 though. There aren't a lot of interesting Destroyer classes to choose from post WWI.

Hmm.. the French Chacal class and the Fubuki class hmm...

[Norade]

I built a decent heavy destroyer for 2.1kt.

Classe-3 1915, Portuguese Destroyer laid down 1915
Barbette ship

Displacement:
2,049 t light; 2,130 t standard; 2,352 t normal; 2,530 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(415.11 ft / 410.11 ft) x 41.01 ft x (13.12 / 13.74 ft)
(126.52 m / 125.00 m) x 12.50 m x (4.00 / 4.19 m)

Armament:
6 - 5.00" / 127 mm 45.0 cal guns - 63.03lbs / 28.59kg shells, 100 per gun
Quick firing guns in open barbette mounts, 1915 Model
2 x Twin mounts on centreline, forward evenly spread
1 raised mount
1 x Twin mount on centreline, aft evenly spread
4 - 2.00" / 50.8 mm 25.0 cal guns - 3.63lbs / 1.65kg shells, 100 per gun
Quick firing guns in deck mounts, 1915 Model
4 x Single mounts on sides amidships
Weight of broadside 393 lbs / 178 kg
8 - 24.0" / 610 mm, 18.00 ft / 5.49 m torpedoes - 1.490 t each, 11.924 t total
In 2 sets of deck mounted carriage/fixed tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 300.00 ft / 91.44 m 7.59 ft / 2.31 m
Ends: Unarmoured
Main Belt covers 113 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: - - 2.00" / 51 mm

- Armoured deck - multiple decks: 1.00" / 25 mm For and Aft decks
Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 19,014 shp / 14,184 Kw = 27.00 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 400 tons

Complement:
168 - 219

Cost:
£0.288 million / $1.153 million

Distribution of weights at normal displacement:
Armament: 98 tons, 4.2 %
- Guns: 86 tons, 3.7 %
- Torpedoes: 12 tons, 0.5 %
Armour: 527 tons, 22.4 %
- Belts: 273 tons, 11.6 %
- Armament: 64 tons, 2.7 %
- Armour Deck: 190 tons, 8.1 %
Machinery: 720 tons, 30.6 %
Hull, fittings & equipment: 687 tons, 29.2 %
Fuel, ammunition & stores: 303 tons, 12.9 %
Miscellaneous weights: 16 tons, 0.7 %
- Hull below water: 3 tons
- On freeboard deck: 13 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,891 lbs / 858 Kg = 30.3 x 5.0 " / 127 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 1.8 ft / 0.5 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 89 %
- Recoil effect (Restricted arc if above 1.00): 0.32
Seaboat quality (Average = 1.00): 1.29

Hull form characteristics:
Hull has a flush deck,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.373 / 0.383
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 20.25 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 16.40 ft / 5.00 m, 13.12 ft / 4.00 m
- Forward deck: 30.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Aft deck: 35.00 %, 13.12 ft / 4.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Average freeboard: 12.32 ft / 3.76 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109.8 %
- Above water (accommodation/working, high = better): 137.2 %
Waterplane Area: 10,171 Square feet or 945 Square metres
Displacement factor (Displacement / loading): 106 %
Structure weight / hull surface area: 47 lbs/sq ft or 228 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.69
- Longitudinal: 0.98
- Overall: 0.71
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Decided that a DD didn't need a strength of 1, so I upped her armor a bit.

[Czechmate]

This was based, roughly, on the Revenge. I'm certain I screwed up the armor somehow.

Code: Select all

*snipped...glub glub glub*

[Steve]

The A-class was laid in 1928 though. There aren't a lot of interesting Destroyer classes to choose from post WWI.

Hmm.. the French Chacal class and the Fubuki class hmm...

Considering the dearth of good destroyer designs I won't object to people having ones from the late 20s in service a few years early, if they're cutting-edge new. For instance I was planning on implementing a modified A-class - likely with American-style 5" guns - as my cutting-edge destroyer class first laid in like October 1923, if maybe a bit inferior to the actual A-class due to losing a half decade of advancement.

Actually, on the Fubuki, I told Zor he could be laying some down. But at least Japan seems to have kept up DD construction. The Mutsuki isn't bad either from the look of it.

[K. A. Pital]

Fubuki commissioned in 1926 by Zor's game time, or equal to IRL commissioning, isn't it?

I don't think "dearth" of destroyer designs makes it acceptable to fast forward to late 1920s designs - laying down, sure. Having in fleets? No. Many late WWI destroyers were capable enough to keep destroyer fleets going until early 1930s.

And - being completely fair to folks - there were often periods of complete stall at shipyards, and not just in nations which had no money, but in other large powers as well. Often a new series experienced a several year gap between being procured. That is nothing unusual, and people shouldn't keep building ships all the time. Isn't it, uh... expensive?

[Steve]

Well, again I meant they'd have to be completely new. And maybe a year back, since that's the standard I set with Zor.

And yeah, you have a point Stas, but then again, when has an SDN World ever had a reduction in arms spending?

[K. A. Pital]

Naval engineering often enters a stasis period when it re-evaluates the performance of earlier designs (example: US Battleship construction).

[Czechmate]

Naval engineering often enters a stasis period when it re-evaluates the performance of earlier designs (example: US Battleship construction).

According to my plan for the older Scandinavian warships, there's a five-year gap where they didn't build anything new because they figured they were secure in their parity.

[Steve]

My attempt at a torpedo boat.... yes, likely sucks.

TB 1923, Cascadia Torpedo Boat laid down 1923

Displacement:
889 t light; 910 t standard; 926 t normal; 939 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(322.47 ft / 320.00 ft) x 30.00 ft x (8.00 / 8.08 ft)
(98.29 m / 97.54 m) x 9.14 m x (2.44 / 2.46 m)

Armament:
2 - 3.00" / 76.2 mm 50.0 cal guns - 14.29lbs / 6.48kg shells, 100 per gun
Breech loading guns in deck mounts, 1923 Model
2 x Single mounts on centreline ends, evenly spread
8 - 0.79" / 20.0 mm 40.0 cal guns - 0.22lbs / 0.10kg shells, 400 per gun
Anti-air guns in deck mounts, 1923 Model
4 x 2 row twin mounts on sides, evenly spread
4 - 0.50" / 12.7 mm 90.0 cal guns - 0.07lbs / 0.03kg shells, 1,000 per gun
Machine guns in deck mounts, 1923 Model
4 x Single mounts on side ends, evenly spread
Weight of broadside 31 lbs / 14 kg
Main Torpedoes
4 - 21.0" / 533 mm, 16.00 ft / 4.88 m torpedoes - 1.078 t each, 4.313 t total
In 2 sets of deck mounted carriage/fixed tubes
2nd Torpedoes
20 - 21.0" / 533 mm, 16.00 ft / 4.88 m torpedoes - 1.078 t each, 21.566 t total
In 1 sets of deck mounted reloads
Mines
1 - 450.00 lbs / 204.12 kg mine + 10 reloads - 2.210 t total
in Above water - Stern racks/rails

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 2 shafts, 35,367 shp / 26,384 Kw = 34.89 kts
Range 600nm at 12.00 kts
Bunker at max displacement = 29 tons

Complement:
83 - 109

Cost:
£0.317 million / $1.267 million

Distribution of weights at normal displacement:
Armament: 41 tons, 4.5 %
- Guns: 6 tons, 0.7 %
- Weapons: 35 tons, 3.8 %
Machinery: 542 tons, 58.5 %
Hull, fittings & equipment: 276 tons, 29.8 %
Fuel, ammunition & stores: 37 tons, 4.0 %
Miscellaneous weights: 31 tons, 3.3 %
- On freeboard deck: 31 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
234 lbs / 106 Kg = 17.4 x 3.0 " / 76 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.26
Metacentric height 1.2 ft / 0.4 m
Roll period: 11.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 0.70

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0.422 / 0.424
Length to Beam Ratio: 10.67 : 1
'Natural speed' for length: 17.89 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 15.00 %, 14.00 ft / 4.27 m, 13.00 ft / 3.96 m
- Forward deck: 30.00 %, 13.00 ft / 3.96 m, 12.00 ft / 3.66 m
- Aft deck: 40.00 %, 12.00 ft / 3.66 m, 12.00 ft / 3.66 m
- Quarter deck: 15.00 %, 12.00 ft / 3.66 m, 12.00 ft / 3.66 m
- Average freeboard: 12.36 ft / 3.77 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 190.8 %
- Above water (accommodation/working, high = better): 149.2 %
Waterplane Area: 5,993 Square feet or 557 Square metres
Displacement factor (Displacement / loading): 38 %
Structure weight / hull surface area: 26 lbs/sq ft or 126 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.45
- Longitudinal: 1.36
- Overall: 0.50
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

[Thanas]

Starting in 1925, the German empire will offer the following ships for export:

Eport.Battlecruiser, Germany Battlecruiser laid down 1925

Displacement:
38.682 t light; 40.412 t standard; 41.866 t normal; 43.030 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(861,92 ft / 820,21 ft) x 108,27 ft x (34,45 / 35,15 ft)
(262,71 m / 250,00 m) x 33,00 m x (10,50 / 10,71 m)

Armament:
8 - 16,00" / 406 mm 45,0 cal guns - 2.000,00lbs / 907,18kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1925 Model
2 x Quad mounts on centreline, forward evenly spread
1 raised mount
12 - 5,00" / 127 mm 45,0 cal guns - 63,03lbs / 28,59kg shells, 150 per gun
Quick firing guns in turret on barbette mounts, 1925 Model
6 x Twin mounts on sides, evenly spread
8 - 3,94" / 100,0 mm 45,0 cal guns - 30,77lbs / 13,96kg shells, 150 per gun
Dual purpose guns in deck and hoist mounts, 1925 Model
8 x Single mounts on centreline, evenly spread
24 - 1,57" / 40,0 mm 45,0 cal guns - 1,97lbs / 0,89kg shells, 300 per gun
Anti-air guns in deck mounts, 1925 Model
12 x Twin mounts on sides, evenly spread
24 - 0,79" / 20,0 mm 45,0 cal guns - 0,25lbs / 0,11kg shells, 500 per gun
Breech loading guns in deck mounts, 1925 Model
6 x Quad mounts on centreline, evenly spread
6 raised mounts
Weight of broadside 17.056 lbs / 7.736 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 15,0" / 381 mm 470,00 ft / 143,26 m 18,00 ft / 5,49 m
Ends: Unarmoured
Main Belt covers 88% of normal length

- Torpedo Bulkhead:
3,00" / 76 mm 470,00 ft / 143,26 m 25,00 ft / 7,62 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16,0" / 406 mm 10,0" / 254 mm 11,0" / 279 mm
2nd: 2,00" / 51 mm 1,00" / 25 mm 1,00" / 25 mm
3rd: 1,00" / 25 mm - -
4th: 1,00" / 25 mm - -
5th: 1,00" / 25 mm - -

- Armoured deck - single deck: 5,00" / 127 mm For and Aft decks
Forecastle: 1,00" / 25 mm Quarter deck: 1,00" / 25 mm

- Conning towers: Forward 8,00" / 203 mm, Aft 0,00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 143.372 shp / 106.956 Kw = 30,00 kts
Range 4.800nm at 14,00 kts
Bunker at max displacement = 2.618 tons

Complement:
1.463 - 1.902

Cost:
£11,930 million / $47,720 million

Distribution of weights at normal displacement:
Armament: 2.938 tons, 7,0%
Armour: 14.105 tons, 33,7%
- Belts: 5.482 tons, 13,1%
- Torpedo bulkhead: 1.304 tons, 3,1%
- Armament: 2.312 tons, 5,5%
- Armour Deck: 4.798 tons, 11,5%
- Conning Tower: 208 tons, 0,5%
Machinery: 4.655 tons, 11,1%
Hull, fittings & equipment: 16.909 tons, 40,4%
Fuel, ammunition & stores: 3.185 tons, 7,6%
Miscellaneous weights: 75 tons, 0,2%
- Above deck: 75 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
55.562 lbs / 25.203 Kg = 27,1 x 16,0 " / 406 mm shells or 8,9 torpedoes
Stability (Unstable if below 1.00): 1,09
Metacentric height 6,7 ft / 2,0 m
Roll period: 17,6 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,65
Seaboat quality (Average = 1.00): 1,22

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0,479 / 0,482
Length to Beam Ratio: 7,58 : 1
'Natural speed' for length: 28,64 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 40,00 degrees
Stern overhang: 19,69 ft / 6,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 16,00%, 26,25 ft / 8,00 m, 20,67 ft / 6,30 m
- Forward deck: 34,00%, 20,67 ft / 6,30 m, 20,67 ft / 6,30 m
- Aft deck: 37,00%, 20,67 ft / 6,30 m, 20,67 ft / 6,30 m
- Quarter deck: 13,00%, 20,67 ft / 6,30 m, 20,67 ft / 6,30 m
- Average freeboard: 21,03 ft / 6,41 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87,9%
- Above water (accommodation/working, high = better): 156,2%
Waterplane Area: 58.062 Square feet or 5.394 Square metres
Displacement factor (Displacement / loading): 107%
Structure weight / hull surface area: 219 lbs/sq ft or 1.069 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,96
- Longitudinal: 1,42
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

16inch.export.ship, Germany Battleship laid down 1925

Displacement:
37.875 t light; 39.857 t standard; 41.199 t normal; 42.272 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(763,49 ft / 721,78 ft) x 118,11 ft x (34,45 / 35,12 ft)
(232,71 m / 220,00 m) x 36,00 m x (10,50 / 10,70 m)

Armament:
9 - 16,50" / 419 mm 45,0 cal guns - 2.265,21lbs / 1.027,48kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1925 Model
3 x Triple mounts on centreline ends, majority forward
1 raised mount - superfiring
12 - 6,00" / 152 mm 45,0 cal guns - 108,92lbs / 49,41kg shells, 150 per gun
Quick firing guns in turret on barbette mounts, 1925 Model
6 x Twin mounts on sides, evenly spread
8 - 3,94" / 100,0 mm 45,0 cal guns - 30,77lbs / 13,96kg shells, 150 per gun
Dual purpose guns in deck and hoist mounts, 1925 Model
8 x Single mounts on sides amidships
24 - 1,57" / 40,0 mm 45,0 cal guns - 1,97lbs / 0,89kg shells, 300 per gun
Anti-air guns in deck mounts, 1925 Model
12 x Twin mounts on sides, evenly spread
24 - 0,79" / 20,0 mm 45,0 cal guns - 0,25lbs / 0,11kg shells, 500 per gun
Breech loading guns in deck mounts, 1925 Model
6 x Quad mounts on sides, evenly spread
Weight of broadside 21.993 lbs / 9.976 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16,0" / 406 mm 330,00 ft / 100,58 m 20,00 ft / 6,10 m
Ends: Unarmoured
Main Belt covers 70% of normal length

- Torpedo Bulkhead:
3,00" / 76 mm 330,00 ft / 100,58 m 30,00 ft / 9,14 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16,0" / 406 mm 12,0" / 305 mm 14,0" / 356 mm
2nd: 2,00" / 51 mm 1,00" / 25 mm 1,00" / 25 mm
3rd: 1,00" / 25 mm - -
4th: 1,00" / 25 mm - -
5th: 1,00" / 25 mm - -

- Armoured deck - single deck: 6,00" / 152 mm For and Aft decks
Forecastle: 1,50" / 38 mm Quarter deck: 1,50" / 38 mm

- Conning towers: Forward 8,00" / 203 mm, Aft 0,00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 46.626 shp / 34.783 Kw = 22,00 kts
Range 4.500nm at 14,00 kts
Bunker at max displacement = 2.415 tons

Complement:
1.445 - 1.879

Cost:
£11,744 million / $46,978 million

Distribution of weights at normal displacement:
Armament: 3.649 tons, 8,9%
Armour: 15.783 tons, 38,3%
- Belts: 5.026 tons, 12,2%
- Torpedo bulkhead: 1.099 tons, 2,7%
- Armament: 3.821 tons, 9,3%
- Armour Deck: 5.631 tons, 13,7%
- Conning Tower: 206 tons, 0,5%
Machinery: 1.514 tons, 3,7%
Hull, fittings & equipment: 16.854 tons, 40,9%
Fuel, ammunition & stores: 3.324 tons, 8,1%
Miscellaneous weights: 75 tons, 0,2%
- Above deck: 75 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
72.797 lbs / 33.020 Kg = 32,4 x 16,5 " / 419 mm shells or 13,8 torpedoes
Stability (Unstable if below 1.00): 1,19
Metacentric height 8,8 ft / 2,7 m
Roll period: 16,7 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
- Recoil effect (Restricted arc if above 1.00): 0,60
Seaboat quality (Average = 1.00): 1,53

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0,491 / 0,494
Length to Beam Ratio: 6,11 : 1
'Natural speed' for length: 26,87 kts
Power going to wave formation at top speed: 38 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 40,00 degrees
Stern overhang: 19,69 ft / 6,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 16,00%, 26,25 ft / 8,00 m, 21,98 ft / 6,70 m
- Forward deck: 34,00%, 21,98 ft / 6,70 m, 21,98 ft / 6,70 m
- Aft deck: 37,00%, 21,98 ft / 6,70 m, 21,98 ft / 6,70 m
- Quarter deck: 13,00%, 21,98 ft / 6,70 m, 21,98 ft / 6,70 m
- Average freeboard: 22,25 ft / 6,78 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 68,9%
- Above water (accommodation/working, high = better): 163,2%
Waterplane Area: 56.339 Square feet or 5.234 Square metres
Displacement factor (Displacement / loading): 107%
Structure weight / hull surface area: 234 lbs/sq ft or 1.144 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,93
- Longitudinal: 1,82
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

18inch export ship, Germany Battleship laid down 1923

Displacement:
37.859 t light; 39.704 t standard; 41.199 t normal; 42.395 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(763,49 ft / 721,78 ft) x 118,11 ft x (34,45 / 35,19 ft)
(232,71 m / 220,00 m) x 36,00 m x (10,50 / 10,73 m)

Armament:
6 - 18,00" / 457 mm 45,0 cal guns - 2.940,86lbs / 1.333,95kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1923 Model
3 x Twin mounts on centreline ends, majority forward
1 raised mount - superfiring
12 - 6,00" / 152 mm 45,0 cal guns - 108,92lbs / 49,41kg shells, 150 per gun
Quick firing guns in turret on barbette mounts, 1923 Model
6 x Twin mounts on sides, evenly spread
8 - 3,94" / 100,0 mm 45,0 cal guns - 30,77lbs / 13,96kg shells, 150 per gun
Dual purpose guns in deck and hoist mounts, 1923 Model
8 x Single mounts on sides, evenly spread
24 - 1,57" / 40,0 mm 45,0 cal guns - 1,97lbs / 0,89kg shells, 300 per gun
Anti-air guns in deck mounts, 1923 Model
12 x Twin mounts on sides, evenly spread
24 - 0,79" / 20,0 mm 45,0 cal guns - 0,25lbs / 0,11kg shells, 500 per gun
Breech loading guns in deck mounts, 1923 Model
6 x Quad mounts on sides, evenly spread
Weight of broadside 19.252 lbs / 8.732 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 16,0" / 406 mm 300,00 ft / 91,44 m 20,00 ft / 6,10 m
Ends: Unarmoured
Main Belt covers 64% of normal length

- Torpedo Bulkhead:
3,00" / 76 mm 300,00 ft / 91,44 m 30,00 ft / 9,14 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16,0" / 406 mm 14,0" / 356 mm 15,0" / 381 mm
2nd: 2,00" / 51 mm 1,00" / 25 mm 1,00" / 25 mm
3rd: 1,00" / 25 mm - -
4th: 1,00" / 25 mm - -
5th: 1,00" / 25 mm - -

- Armoured deck - single deck: 7,70" / 196 mm For and Aft decks
Forecastle: 2,50" / 64 mm Quarter deck: 2,50" / 64 mm

- Conning towers: Forward 8,00" / 203 mm, Aft 0,00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 46.626 shp / 34.783 Kw = 22,00 kts
Range 5.000nm at 14,00 kts
Bunker at max displacement = 2.691 tons

Complement:
1.445 - 1.879

Cost:
£9,711 million / $38,845 million

Distribution of weights at normal displacement:
Armament: 3.111 tons, 7,6%
Armour: 16.980 tons, 41,2%
- Belts: 4.718 tons, 11,5%
- Torpedo bulkhead: 999 tons, 2,4%
- Armament: 3.745 tons, 9,1%
- Armour Deck: 7.313 tons, 17,8%
- Conning Tower: 206 tons, 0,5%
Machinery: 1.558 tons, 3,8%
Hull, fittings & equipment: 16.134 tons, 39,2%
Fuel, ammunition & stores: 3.340 tons, 8,1%
Miscellaneous weights: 75 tons, 0,2%
- Above deck: 75 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
79.234 lbs / 35.940 Kg = 27,2 x 18,0 " / 457 mm shells or 15,7 torpedoes
Stability (Unstable if below 1.00): 1,21
Metacentric height 9,1 ft / 2,8 m
Roll period: 16,5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,50
Seaboat quality (Average = 1.00): 1,52

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0,491 / 0,495
Length to Beam Ratio: 6,11 : 1
'Natural speed' for length: 26,87 kts
Power going to wave formation at top speed: 38 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 40,00 degrees
Stern overhang: 19,69 ft / 6,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 16,00%, 26,25 ft / 8,00 m, 21,33 ft / 6,50 m
- Forward deck: 34,00%, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Aft deck: 37,00%, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Quarter deck: 13,00%, 21,33 ft / 6,50 m, 21,33 ft / 6,50 m
- Average freeboard: 21,64 ft / 6,60 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62,8%
- Above water (accommodation/working, high = better): 158,4%
Waterplane Area: 56.339 Square feet or 5.234 Square metres
Displacement factor (Displacement / loading): 111%
Structure weight / hull surface area: 223 lbs/sq ft or 1.090 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,94
- Longitudinal: 1,73
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

I can also have them already fitting out in my yards, to be delivered December 1925. PM me if you are interested.

[Beowulf]

Chibi, Manchuria River Monitor laid down 1919

Displacement:
1,038 t light; 1,099 t standard; 1,279 t normal; 1,423 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(216.54 ft / 216.54 ft) x 48.23 ft x (5.91 / 6.49 ft)
(66.00 m / 66.00 m) x 14.70 m x (1.80 / 1.98 m)

Armament:
8 - 4.72" / 120 mm 45.0 cal guns - 53.18lbs / 24.12kg shells, 150 per gun
Quick firing guns in deck and hoist mounts, 1919 Model
2 x Twin mounts on sides, forward deck aft
2 x Twin mounts on centreline ends, evenly spread
Weight of broadside 425 lbs / 193 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.36" / 60 mm 140.75 ft / 42.90 m 8.50 ft / 2.59 m
Ends: 2.36" / 60 mm 75.75 ft / 23.09 m 8.50 ft / 2.59 m
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.54" / 90 mm 0.59" / 15 mm 2.36" / 60 mm

- Armoured deck - single deck:
For and Aft decks: 1.18" / 30 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.18" / 30 mm

- Conning towers: Forward 2.36" / 60 mm, Aft 0.00" / 0 mm

Machinery:
Coal fired boilers, steam turbines,
Direct drive, 2 shafts, 357 shp / 266 Kw = 9.00 kts
Range 8,000nm at 9.00 kts
Bunker at max displacement = 324 tons (100% coal)

Complement:
106 - 139

Cost:
£0.172 million / $0.689 million

Distribution of weights at normal displacement:
Armament: 93 tons, 7.2 %
- Guns: 93 tons, 7.2 %
Armour: 412 tons, 32.2 %
- Belts: 190 tons, 14.9 %
- Armament: 27 tons, 2.1 %
- Armour Deck: 189 tons, 14.7 %
- Conning Tower: 6 tons, 0.5 %
Machinery: 14 tons, 1.1 %
Hull, fittings & equipment: 520 tons, 40.6 %
Fuel, ammunition & stores: 241 tons, 18.8 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,128 lbs / 2,780 Kg = 116.2 x 4.7 " / 120 mm shells or 3.0 torpedoes
Stability (Unstable if below 1.00): 1.74
Metacentric height 4.1 ft / 1.3 m
Roll period: 9.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.11
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has raised quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.726 / 0.735
Length to Beam Ratio: 4.49 : 1
'Natural speed' for length: 14.72 kts
Power going to wave formation at top speed: 25 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 9.84 ft / 3.00 m, 8.37 ft / 2.55 m
- Forward deck: 30.00 %, 8.37 ft / 2.55 m, 7.87 ft / 2.40 m
- Aft deck: 35.00 %, 7.87 ft / 2.40 m, 7.38 ft / 2.25 m
- Quarter deck: 15.00 %, 8.20 ft / 2.50 m, 7.38 ft / 2.25 m
- Average freeboard: 8.07 ft / 2.46 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 34.3 %
- Above water (accommodation/working, high = better): 120.9 %
Waterplane Area: 8,565 Square feet or 796 Square metres
Displacement factor (Displacement / loading): 155 %
Structure weight / hull surface area: 58 lbs/sq ft or 283 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.33
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform

Possibly a better seaboat than it really needs to be. But, it only saves like 100 tons to optimize. Not actually enough to be worth the trade off.

[Agent Sorchus]

Reworked many of my designs

Ishmael, Sudanese Battlecruiser laid down 1916

Displacement:
23,653 t light; 25,466 t standard; 33,162 t normal; 39,319 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(732.00 ft / 724.00 ft) x 99.50 ft x (30.40 / 34.77 ft)
(223.11 m / 220.68 m) x 30.33 m x (9.27 / 10.60 m)

Armament:
6 - 14.50" / 368 mm 52.0 cal guns - 1,627.69lbs / 738.31kg shells, 180 per gun
Breech loading guns in turret on barbette mounts, 1916 Model
3 x 2-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
2 - 8.00" / 203 mm 52.0 cal guns - 273.36lbs / 123.99kg shells, 150 per gun
Breech loading guns in turret on barbette mount, 1916 Model
1 x 2-gun mount on centreline, aft deck centre
1 raised mount
10 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 150 per gun
Breech loading guns in casemate mounts, 1916 Model
10 x Single mounts on centreline, evenly spread
10 raised mounts
10 - 0.75" / 19.1 mm 45.0 cal guns - 0.22lbs / 0.10kg shells, 2,000 per gun
Breech loading guns in deck mounts, 1916 Model
10 x Single mounts on sides, evenly spread
4 - 4.00" / 102 mm 25.0 cal guns - 29.07lbs / 13.18kg shells, 150 per gun
Anti-air guns in deck mounts, 1916 Model
4 x Single mounts on sides, evenly spread
Weight of broadside 11,816 lbs / 5,360 kg
Main Torpedoes
4 - 21.0" / 533 mm, 10.00 ft / 3.05 m torpedoes - 0.695 t each, 2.782 t total
In 1 sets of deck mounted carriage/fixed tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 492.32 ft / 150.06 m 11.97 ft / 3.65 m
Ends: 0.50" / 13 mm 231.66 ft / 70.61 m 11.97 ft / 3.65 m
Upper: 0.30" / 8 mm 492.32 ft / 150.06 m 8.00 ft / 2.44 m
Main Belt covers 105 % of normal length

- Torpedo Bulkhead - Additional damage containing bulkheads:
2.00" / 51 mm 492.32 ft / 150.06 m 27.50 ft / 8.38 m
Beam between torpedo bulkheads 90.00 ft / 27.43 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.0" / 254 mm 3.00" / 76 mm 4.00" / 102 mm
2nd: 6.00" / 152 mm - 5.00" / 127 mm

- Armoured deck - single deck:
For and Aft decks: 2.00" / 51 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm

- Conning towers: Forward 5.00" / 127 mm, Aft 0.50" / 13 mm

Machinery:
Coal fired boilers, steam turbines,
Electric cruising motors plus geared drives, 4 shafts, 124,770 shp / 93,079 Kw = 29.50 kts
Range 11,000nm at 18.00 kts
Bunker at max displacement = 13,854 tons (100% coal)

Complement:
1,228 - 1,597

Cost:
£4.457 million / $17.829 million

Distribution of weights at normal displacement:
Armament: 2,715 tons, 8.2 %
- Guns: 2,712 tons, 8.2 %
- Weapons: 3 tons, 0.0 %
Armour: 4,741 tons, 14.3 %
- Belts: 1,093 tons, 3.3 %
- Torpedo bulkhead: 1,002 tons, 3.0 %
- Armament: 831 tons, 2.5 %
- Armour Deck: 1,693 tons, 5.1 %
- Conning Towers: 122 tons, 0.4 %
Machinery: 5,114 tons, 15.4 %
Hull, fittings & equipment: 10,983 tons, 33.1 %
Fuel, ammunition & stores: 9,509 tons, 28.7 %
Miscellaneous weights: 100 tons, 0.3 %
- On freeboard deck: 100 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
42,521 lbs / 19,287 Kg = 27.9 x 14.5 " / 368 mm shells or 11.4 torpedoes
Stability (Unstable if below 1.00): 1.34
Metacentric height 8.3 ft / 2.5 m
Roll period: 14.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.17

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0.530 / 0.549
Length to Beam Ratio: 7.28 : 1
'Natural speed' for length: 26.91 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 8.00 ft / 2.44 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 25.00 ft / 7.62 m, 21.00 ft / 6.40 m
- Forward deck: 30.00 %, 21.00 ft / 6.40 m, 20.00 ft / 6.10 m
- Aft deck: 38.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Quarter deck: 12.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 20.67 ft / 6.30 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.7 %
- Above water (accommodation/working, high = better): 154.5 %
Waterplane Area: 49,343 Square feet or 4,584 Square metres
Displacement factor (Displacement / loading): 126 %
Structure weight / hull surface area: 178 lbs/sq ft or 868 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.35
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform

old 14.5in-60calibers new 14.5in -52 calibers

Boundless, Sudan Battleship laid down 1920 (Engine 1922)

Displacement:
40,699 t light; 43,096 t standard; 45,077 t normal; 46,663 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(680.00 ft / 658.43 ft) x 96.00 ft x (41.60 / 42.80 ft)
(207.26 m / 200.69 m) x 29.26 m x (12.68 / 13.05 m)

Armament:
12 - 14.50" / 368 mm 45.0 cal guns - 1,537.31lbs / 697.31kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1921 Model
3 x 4-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
12 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 150 per gun
Breech loading guns in casemate mounts, 1922 Model
12 x Single mounts on sides, evenly spread
10 - 4.00" / 102 mm 45.0 cal guns - 32.28lbs / 14.64kg shells, 150 per gun
Dual purpose guns in deck mounts, 1920 Model
10 x Single mounts on sides, evenly spread
36 - 0.75" / 19.1 mm 45.0 cal guns - 0.22lbs / 0.10kg shells, 3,600 per gun
Machine guns in deck mounts, 1920 Model
18 x Twin mounts on sides, evenly spread
2 - 10.00" / 254 mm 45.0 cal guns - 504.26lbs / 228.73kg shells, 150 per gun
Breech loading guns in open barbette mounts, 1920 Model
4 x Single mounts on centreline, forward evenly spread
Weight of broadside 21,449 lbs / 9,729 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 15.5" / 394 mm 427.98 ft / 130.45 m 11.76 ft / 3.58 m
Ends: 6.00" / 152 mm 230.43 ft / 70.24 m 11.76 ft / 3.58 m
Upper: 8.00" / 203 mm 427.98 ft / 130.45 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead - Additional damage containing bulkheads:
3.20" / 81 mm 427.98 ft / 130.45 m 39.23 ft / 11.96 m
Beam between torpedo bulkheads 88.00 ft / 26.82 m

- Hull void:
25.0" / 635 mm 221.00 ft / 67.36 m 25.00 ft / 7.62 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 12.0" / 305 mm 6.00" / 152 mm
2nd: 4.20" / 107 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm - -
5th: - - 12.0" / 305 mm

- Armoured deck - single deck:
For and Aft decks: 4.80" / 122 mm
Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm

- Conning towers: Forward 15.00" / 381 mm, Aft 0.00" / 0 mm

Machinery:
Coal fired boilers, steam turbines,
Electric cruising motors plus geared drives, 6 shafts, 108,041 shp / 80,599 Kw = 26.69 kts
Range 6,500nm at 12.00 kts
Bunker at max displacement = 3,567 tons (100% coal)

Complement:
1,546 - 2,010

Cost:
£9.147 million / $36.588 million

Distribution of weights at normal displacement:
Armament: 4,369 tons, 9.7 %
- Guns: 4,369 tons, 9.7 %
Armour: 19,662 tons, 43.6 %
- Belts: 5,150 tons, 11.4 %
- Torpedo bulkhead: 1,988 tons, 4.4 %
- Void: 5,111 tons, 11.3 %
- Armament: 3,155 tons, 7.0 %
- Armour Deck: 3,849 tons, 8.5 %
- Conning Tower: 409 tons, 0.9 %
Machinery: 4,031 tons, 8.9 %
Hull, fittings & equipment: 12,612 tons, 28.0 %
Fuel, ammunition & stores: 4,378 tons, 9.7 %
Miscellaneous weights: 25 tons, 0.1 %
- On freeboard deck: 25 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
59,684 lbs / 27,072 Kg = 39.2 x 14.5 " / 368 mm shells or 9.2 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 5.9 ft / 1.8 m
Roll period: 16.5 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.95
Seaboat quality (Average = 1.00): 1.22

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.604
Length to Beam Ratio: 6.86 : 1
'Natural speed' for length: 25.66 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 43
Bow angle (Positive = bow angles forward): 3.00 degrees
Stern overhang: 20.00 ft / 6.10 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 30.00 ft / 9.14 m, 23.00 ft / 7.01 m
- Forward deck: 30.00 %, 23.00 ft / 7.01 m, 24.00 ft / 7.32 m
- Aft deck: 35.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Quarter deck: 15.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Average freeboard: 24.21 ft / 7.38 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74.2 %
- Above water (accommodation/working, high = better): 135.4 %
Waterplane Area: 46,230 Square feet or 4,295 Square metres
Displacement factor (Displacement / loading): 99 %
Structure weight / hull surface area: 203 lbs/sq ft or 992 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.25
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Good seaboat, rides out heavy weather easily

fixed bulkheads to a reasonable figure

New Designs

Suhayl, Sudan Cruiser laid down 1911

Displacement:
6,685 t light; 7,056 t standard; 9,334 t normal; 11,157 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(500.00 ft / 500.00 ft) x 54.00 ft x (22.00 / 25.39 ft)
(152.40 m / 152.40 m) x 16.46 m x (6.71 / 7.74 m)

Armament:
6 - 8.00" / 203 mm 45.0 cal guns - 258.18lbs / 117.11kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1911 Model
6 x Single mounts on centreline, evenly spread
4 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 150 per gun
Quick firing guns in casemate mounts, 1911 Model
4 x Single mounts on centreline, evenly spread
4 - 4.00" / 102 mm 25.0 cal guns - 29.08lbs / 13.19kg shells, 150 per gun
Anti-air guns in deck mounts, 1911 Model
4 x Single mounts on sides, evenly spread
6 - 0.75" / 19.1 mm 45.0 cal guns - 0.22lbs / 0.10kg shells, 150 per gun
Breech loading guns in deck mounts, 1911 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 2,221 lbs / 1,007 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 325.00 ft / 99.06 m 8.82 ft / 2.69 m
Ends: Unarmoured
Main Belt covers 100 % of normal length

- Torpedo Bulkhead - Additional damage containing bulkheads:
1.21" / 31 mm 325.00 ft / 99.06 m 20.19 ft / 6.15 m
Beam between torpedo bulkheads 47.00 ft / 14.33 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.00" / 152 mm 1.50" / 38 mm 2.50" / 64 mm
2nd: 3.00" / 76 mm - -
3rd: 1.00" / 25 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.10" / 53 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm

- Conning towers: Forward 5.00" / 127 mm, Aft 0.50" / 13 mm

Machinery:
Coal fired boilers, steam turbines,
Geared drive, 2 shafts, 38,764 shp / 28,918 Kw = 26.00 kts
Range 3,199nm at 22.00 kts
Bunker at max displacement = 4,100 tons (100% coal)

Complement:
474 - 617

Cost:
£0.651 million / $2.604 million

Distribution of weights at normal displacement:
Armament: 540 tons, 5.8 %
- Guns: 540 tons, 5.8 %
Armour: 1,968 tons, 21.1 %
- Belts: 712 tons, 7.6 %
- Torpedo bulkhead: 294 tons, 3.1 %
- Armament: 244 tons, 2.6 %
- Armour Deck: 666 tons, 7.1 %
- Conning Towers: 53 tons, 0.6 %
Machinery: 1,731 tons, 18.5 %
Hull, fittings & equipment: 2,446 tons, 26.2 %
Fuel, ammunition & stores: 2,650 tons, 28.4 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11,446 lbs / 5,192 Kg = 44.7 x 8.0 " / 203 mm shells or 2.1 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 2.3 ft / 0.7 m
Roll period: 15.0 seconds
Steadiness - As gun platform (Average = 50 %): 90 %
- Recoil effect (Restricted arc if above 1.00): 0.73
Seaboat quality (Average = 1.00): 1.14

Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.570
Length to Beam Ratio: 9.26 : 1
'Natural speed' for length: 22.36 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 79
Bow angle (Positive = bow angles forward): -25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 18.00 ft / 5.49 m, 15.00 ft / 4.57 m
- Forward deck: 30.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Aft deck: 35.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Quarter deck: 15.00 %, 12.00 ft / 3.66 m, 12.00 ft / 3.66 m
- Average freeboard: 14.79 ft / 4.51 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90.3 %
- Above water (accommodation/working, high = better): 113.6 %
Waterplane Area: 18,843 Square feet or 1,751 Square metres
Displacement factor (Displacement / loading): 132 %
Structure weight / hull surface area: 93 lbs/sq ft or 452 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.28
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform

Shakir, Sudan Battleship laid down 1923

Displacement:
46,480 t light; 49,441 t standard; 54,435 t normal; 58,430 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(737.00 ft / 711.71 ft) x 96.00 ft (Bulges 99.00 ft) x (41.60 / 44.27 ft)
(224.64 m / 216.93 m) x 29.26 m (Bulges 30.18 m) x (12.68 / 13.49 m)

Armament:
16 - 14.50" / 368 mm 50.0 cal guns - 1,613.70lbs / 731.96kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1924 Model
4 x 4-gun mounts on centreline, evenly spread
2 raised mounts
10 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 150 per gun
Quick firing guns in casemate mounts, 1923 Model
10 x Single mounts on sides, evenly spread
8 - 4.00" / 102 mm 45.0 cal guns - 32.28lbs / 14.64kg shells, 150 per gun
Anti-air guns in deck mounts, 1923 Model
8 x Single mounts on sides, evenly spread
32 - 0.75" / 19.1 mm 45.0 cal guns - 0.22lbs / 0.10kg shells, 3,600 per gun
Machine guns in deck mounts, 1923 Model
16 x Twin mounts on sides, evenly spread
Weight of broadside 27,469 lbs / 12,460 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 15.0" / 381 mm 462.61 ft / 141.00 m 11.76 ft / 3.58 m
Ends: 6.00" / 152 mm 249.08 ft / 75.92 m 11.76 ft / 3.58 m
Upper: 8.00" / 203 mm 462.61 ft / 141.00 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead - Additional damage containing bulkheads:
5.00" / 127 mm 462.61 ft / 141.00 m 39.94 ft / 12.17 m
Beam between torpedo bulkheads 89.90 ft / 27.40 m

- Hull Bulges:
25.0" / 635 mm 221.00 ft / 67.36 m 25.00 ft / 7.62 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 8.00" / 203 mm 6.00" / 152 mm
2nd: 4.20" / 107 mm - -
3rd: 2.00" / 51 mm - -

- Armoured deck - single deck:
For and Aft decks: 6.00" / 152 mm
Forecastle: 4.00" / 102 mm Quarter deck: 4.50" / 114 mm

- Conning towers: Forward 14.00" / 356 mm, Aft 4.00" / 102 mm

Machinery:
Coal fired boilers, steam turbines,
Electric cruising motors plus geared drives, 6 shafts, 74,068 shp / 55,255 Kw = 23.62 kts
Range 7,000nm at 17.00 kts
Bunker at max displacement = 8,988 tons (100% coal)

Complement:
1,781 - 2,316

Cost:
£13.852 million / $55.408 million

Distribution of weights at normal displacement:
Armament: 6,175 tons, 11.3 %
- Guns: 6,175 tons, 11.3 %
Armour: 22,896 tons, 42.1 %
- Belts: 5,426 tons, 10.0 %
- Torpedo bulkhead: 3,418 tons, 6.3 %
- Bulges: 5,111 tons, 9.4 %
- Armament: 2,845 tons, 5.2 %
- Armour Deck: 5,539 tons, 10.2 %
- Conning Towers: 557 tons, 1.0 %
Machinery: 2,723 tons, 5.0 %
Hull, fittings & equipment: 14,687 tons, 27.0 %
Fuel, ammunition & stores: 7,955 tons, 14.6 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
79,232 lbs / 35,939 Kg = 52.0 x 14.5 " / 368 mm shells or 13.6 torpedoes
Stability (Unstable if below 1.00): 1.22
Metacentric height 6.8 ft / 2.1 m
Roll period: 15.9 seconds
Steadiness - As gun platform (Average = 50 %): 40 %
- Recoil effect (Restricted arc if above 1.00): 1.00
Seaboat quality (Average = 1.00): 1.28

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.650 / 0.656
Length to Beam Ratio: 7.19 : 1
'Natural speed' for length: 26.68 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 25
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 20.00 ft / 6.10 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 30.00 ft / 9.14 m, 24.00 ft / 7.32 m
- Forward deck: 30.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Aft deck: 35.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Quarter deck: 15.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Average freeboard: 24.48 ft / 7.46 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 67.0 %
- Above water (accommodation/working, high = better): 134.3 %
Waterplane Area: 52,340 Square feet or 4,863 Square metres
Displacement factor (Displacement / loading): 100 %
Structure weight / hull surface area: 215 lbs/sq ft or 1,049 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 1.96
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Good seaboat, rides out heavy weather easily

Hooda, Sudan Destroyer laid down 1921

Displacement:
665 t light; 712 t standard; 771 t normal; 819 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(251.76 ft / 250.00 ft) x 24.00 ft x (10.00 / 10.43 ft)
(76.74 m / 76.20 m) x 7.32 m x (3.05 / 3.18 m)

Armament:
2 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 135 per gun
Breech loading guns in deck mount, 1921 Model
1 x 2-gun mount on centreline forward
4 - 4.00" / 102 mm 25.0 cal guns - 29.08lbs / 13.19kg shells, 150 per gun
Anti-air guns in deck mounts, 1921 Model
2 x Single mounts on centreline, aft deck aft
1 x 2-gun mount on centreline, forward deck centre
4 - 0.75" / 19.1 mm 60.0 cal guns - 0.22lbs / 0.10kg shells, 2,000 per gun
Machine guns in deck mounts, 1921 Model
4 x Single mounts on sides, evenly spread
Weight of broadside 394 lbs / 179 kg
Main Torpedoes
4 - 21.0" / 533 mm, 16.00 ft / 4.88 m torpedoes - 1.070 t each, 4.281 t total
submerged bow tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.00" / 25 mm 120.25 ft / 36.65 m 6.35 ft / 1.94 m
Ends: Unarmoured
Main Belt covers 74 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Torpedo Bulkhead - Additional damage containing bulkheads:
0.20" / 5 mm 120.25 ft / 36.65 m 9.84 ft / 3.00 m
Beam between torpedo bulkheads 17.00 ft / 5.18 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm - -

- Armoured deck - single deck:
For and Aft decks: 1.00" / 25 mm

- Conning towers: Forward 1.00" / 25 mm, Aft 0.00" / 0 mm

Machinery:
Petrol Internal combustion motors,
Geared drive, 2 shafts, 6,917 shp / 5,160 Kw = 23.50 kts
Range 1,800nm at 15.00 kts
Bunker at max displacement = 107 tons

Complement:
73 - 95

Cost:
£0.186 million / $0.743 million

Distribution of weights at normal displacement:
Armament: 62 tons, 8.0 %
- Guns: 53 tons, 6.9 %
- Weapons: 9 tons, 1.1 %
Armour: 108 tons, 14.0 %
- Belts: 33 tons, 4.2 %
- Torpedo bulkhead: 9 tons, 1.1 %
- Armament: 7 tons, 0.9 %
- Armour Deck: 58 tons, 7.5 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 238 tons, 30.9 %
Hull, fittings & equipment: 257 tons, 33.4 %
Fuel, ammunition & stores: 106 tons, 13.7 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
412 lbs / 187 Kg = 3.0 x 6.5 " / 165 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.01
Metacentric height 0.6 ft / 0.2 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
- Recoil effect (Restricted arc if above 1.00): 0.91
Seaboat quality (Average = 1.00): 0.87

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.450 / 0.458
Length to Beam Ratio: 10.42 : 1
'Natural speed' for length: 15.81 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 83
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 10.00 ft / 3.05 m, 8.00 ft / 2.44 m
- Forward deck: 30.00 %, 8.00 ft / 2.44 m, 8.00 ft / 2.44 m
- Aft deck: 35.00 %, 8.00 ft / 2.44 m, 8.00 ft / 2.44 m
- Quarter deck: 15.00 %, 8.00 ft / 2.44 m, 8.00 ft / 2.44 m
- Average freeboard: 8.16 ft / 2.49 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 199.9 %
- Above water (accommodation/working, high = better): 79.9 %
Waterplane Area: 3,827 Square feet or 356 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 44 lbs/sq ft or 213 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.72
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Cramped accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Afzal, Sudan Large Cruiser laid down 1918

Displacement:
16,514 t light; 17,248 t standard; 22,140 t normal; 26,054 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(700.00 ft / 700.00 ft) x 76.00 ft (Bulges 82.00 ft) x (25.00 / 28.72 ft)
(213.36 m / 213.36 m) x 23.16 m (Bulges 24.99 m) x (7.62 / 8.76 m)

Armament:
8 - 8.00" / 203 mm 52.0 cal guns - 273.35lbs / 123.99kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1918 Model
4 x 2-gun mounts on centreline, evenly spread
2 raised mounts
8 - 6.50" / 165 mm 45.0 cal guns - 138.47lbs / 62.81kg shells, 150 per gun
Breech loading guns in casemate mounts, 1918 Model
8 x Single mounts on centreline, evenly spread
6 - 4.00" / 102 mm 35.0 cal guns - 30.00lbs / 13.61kg shells, 150 per gun
Anti-air guns in deck mounts, 1918 Model
6 x Single mounts on sides, evenly spread
6 - 0.75" / 19.1 mm 45.0 cal guns - 0.22lbs / 0.10kg shells, 2,000 per gun
Machine guns in deck mounts, 1918 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 3,476 lbs / 1,577 kg
Main DC/AS Mortars
2 - 300.00 lbs / 136.08 kg Depth Charges + 10 reloads - 1.607 t total
in Depth charge throwers

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.50" / 191 mm 455.00 ft / 138.68 m 9.14 ft / 2.79 m
Ends: Unarmoured
Upper: 2.00" / 51 mm 455.00 ft / 138.68 m 8.00 ft / 2.44 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Torpedo Bulkhead - Strengthened structural bulkheads:
3.00" / 76 mm 455.00 ft / 138.68 m 18.23 ft / 5.56 m
Beam between torpedo bulkheads 51.00 ft / 15.54 m

- Hull Bulges:
18.0" / 457 mm 200.00 ft / 60.96 m 3.00 ft / 0.91 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 2.00" / 51 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm - -
3rd: 1.00" / 25 mm - -
4th: 0.50" / 13 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.50" / 64 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.50" / 38 mm

- Conning towers: Forward 2.00" / 51 mm, Aft 0.00" / 0 mm

Machinery:
Coal fired boilers, steam turbines,
Geared drive, 4 shafts, 118,269 shp / 88,229 Kw = 31.00 kts
Range 3,500nm at 26.46 kts
Bunker at max displacement = 8,806 tons (100% coal)

Complement:
906 - 1,179

Cost:
£3.062 million / $12.250 million

Distribution of weights at normal displacement:
Armament: 901 tons, 4.1 %
- Guns: 899 tons, 4.1 %
- Weapons: 2 tons, 0.0 %
Armour: 4,855 tons, 21.9 %
- Belts: 1,591 tons, 7.2 %
- Torpedo bulkhead: 921 tons, 4.2 %
- Bulges: 400 tons, 1.8 %
- Armament: 353 tons, 1.6 %
- Armour Deck: 1,557 tons, 7.0 %
- Conning Tower: 34 tons, 0.2 %
Machinery: 4,693 tons, 21.2 %
Hull, fittings & equipment: 6,039 tons, 27.3 %
Fuel, ammunition & stores: 5,626 tons, 25.4 %
Miscellaneous weights: 25 tons, 0.1 %
- On freeboard deck: 25 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,938 lbs / 13,126 Kg = 113.0 x 8.0 " / 203 mm shells or 4.4 torpedoes
Stability (Unstable if below 1.00): 1.41
Metacentric height 6.0 ft / 1.8 m
Roll period: 14.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.21
Seaboat quality (Average = 1.00): 1.03

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.540 / 0.553
Length to Beam Ratio: 8.54 : 1
'Natural speed' for length: 26.46 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): -10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 20.00 ft / 6.10 m, 17.00 ft / 5.18 m
- Forward deck: 30.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Aft deck: 35.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Quarter deck: 15.00 %, 17.00 ft / 5.18 m, 16.50 ft / 5.03 m
- Average freeboard: 17.20 ft / 5.24 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 122.2 %
- Above water (accommodation/working, high = better): 131.5 %
Waterplane Area: 36,782 Square feet or 3,417 Square metres
Displacement factor (Displacement / loading): 130 %
Structure weight / hull surface area: 138 lbs/sq ft or 675 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.13
- Longitudinal: 0.97
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform

[Steve]

Your destroyer's range is horribly, horribly terrible- it would need to refuel constantly on the way from your east coast to west. And that first battlecruiser is waaay underarmored. Even the notoriously-unarmored Lexington design was to have 7" belt. British BCs typically had 9" and Germans even more.

Sticking with coal makes sense if your oil access is minor, but it does cost you in range per ton of fuel (also, coal grades can ruin performance; lower grade coal doesn't burn as well and you lose power; witness one reason for the fate of Cristobal Colon at Santiago de Cuba).