Stas Bush wrote:
Except:
1) World War I wasn't nearly as overreaching as IRL. Of course, that means good things for the evolution of 1914-1919 projects, since nothing would disrupt their finishing. On the other hand, there's no wartime mobilization to explain construction of 3 classes of post-war battleships during 1918-1925. Except a totally out of control naval race, but that would be quite draining on any nations other than high First World.
The British built awful fast before WW1, and at one point had IIRC 9 dreadnoughts and battlecruisers building at the same time. That certainly wasn’t wartime mobilization, mobilization in fact is usually high detrimental to building large warships. Particularly dreadnoughts which require specialist thick armor plates and heavy guns used by nothing else except coastal batteries. Usually the battleship work just stops, and the preexisting guns go into the shore batteries. Battleship fleets are in fact a peacetime luxury. This is also why people tended not to risk them in wartime.
The total number of slipways in the British isles large enough and attached to yards suitable for the work of building dreadnoughts during WW1 was 13-14 BTW.  This was research heavily over on warships1 years ago; we never could determine the status of last slipway for sure. 
I have no intention of doing anything like that, but it can be done. For a smaller power with only a few slipways like Japan, back to back construction on slipways was actually more common. Under the 8-8 plan Japan literally laid down new dreadnoughts just a few days after the previous ships launched. I can look up the specific ships if you want as I do not recall them off hand. The same thing was done with heavy cruisers, which effectively replaced the battleship building race and happened to cost more ton per ton too. That’s why the latter London Naval Treaties had to cap total tonnage and then ban them completely to try to keep the system working. 
 
2) No treaties and no large war means late-war designs do not have an immediate practical utility, so forcing the government for another set of ships is problematic. In 1915, a larger war is averted, which means projects started around the year might still gather enough support for completion of a large series, but afterwards? I'd sort of doubt it.
WW1 and the complete elimination of the second largest naval power on earth did not stop the world battleship building race in real life; it just forced a pit stop. That’s exactly why everyone realized they had to do something radical, and thus the Washington Naval Treaty was born. 
Yup, it was also a colonial superpower with the highest industrialization rates and the earliest nation to enter industrial revolution. What are the colonial holdings of Siam?
Most British colonies contributed little and many were in fact net drains of resources, which is why the British gave so many place autonomy between world wars, and then had to shed the colonies wholesale postwar. That colonial empire was especially damning on the British Navy as it required a colossal number of cruisers to defend it all (estimated at 71 in the 1920s). That’s why so many British cruisers look so puny compared to the competition, like the Exeter class or Lenders. Quite a few of the richest British colonies are gone in this timeline too, but I see no call to reduce the size of the Royal Navy, far from it. SDN world 3 the world is clearly hyper industrialized. 
Since I have no need for swarms of weak ships and military units to defend trade and empire, I could have a significantly weaker economy and still field a comparable battle line. I wasn’t intending to do that as I want certain other things instead, but I certainly could. 
Yep, except such a ship makes sense for a major Navy and makes little sense, as well as the very creation of it is in doubt, for a nation that never was or is a naval power. A large navy means large slipways, large yards, huge industry creating boilers and the like. It also means lots of ships.
Japan built the largest battleship on earth in real life, and did not have lots and lots of ships. In fact it built large specifically so it could build fewer units and remain completive, which is exactly my strategy, as it knew its Treaty limited numerical disadvantage was going to become worse quickly. 
By building large and with very heavy guns I ensure that my ships will not be completely outmatched after a few years so I can avoid needing to build more constantly. That’s why I went with such heavy guns and other then that my ship is unexceptional except for its massive beam, which I intend to revise somewhat. The classic pre WW1 idea that coastal defence ships should be weak or ‘second class’ was a horrendously flawed one that burdened the navies that built them with rapidly useless hulks. The destruction of second rate Russian units at Tushimia pretty much killed the idea. 
 
You can't create a two supership Navy and claim it's domestically produced with ease in the 1920s. That's not just ahistorical, that's anti-industrial and anti-economic as well in my view. If your industry hardly produced any battleships outside of those two, then the production of those two is set into doubt.
Who ever said I have no previous battleships? Anyway, look at Japan. No battleships was completed between 1922 and 1941, and yet they managed to build the largest one ever earth at the end of that building gap. Certainly the world’s naval armaments and armor industries suffered from the gap, but the ability to build ships was not lost by anyone. That gap is way bigger then anything that would have happened without the treaty limits, even had Japan the US and UK all been on good terms. 
 
Most people tried to create a realistic industrial history of their nations, with military branch development corresponding to the industrial priorities and economy - but apparently not you. And if there are designs which make no sense in the 1920s, well, I'm not a big fan of them either. I just payed attention to your ship because it had 60,000 tons of displacement, I admit it. I'll now see what others have "invented".
Like I said certain other ships actually cheat the limit slightly. I do not care what the limit is, only that it is consistently enforced. I don’t see anything wrong with up to 50,000 tons as starting limit followed by 60,000 tons. Or alternatively start at 50,000 tons and allow an extra 1,000 tons per year. That’d mean Yamato could be built by about 1938…. Which is almost exactly in line with historical development even if historical development was in fact not logical at all. A yearly increase makes more sense then a ten year gap and then a 10,000 ton leap up to another hard limit. This would avoid old ships becoming obsolete in a single wave of new construction when the escalator kicked in. 
If you want semi realistic economics then I'm game, make everyone define exactly how many slipways and building docks they have and set a standard for expansion and new construction. That was proposed way earlier before I was ever involved. However I got the impression most people did not want to have to deal with that kind of detail. After all, then should one not also limit aircraft construction and artillery for land forces?
But anyway I am done for the night, and I will not be arguing the specifics of my ships or forces alone anymore. Ill do whatever I want under whatever rules are worked out and if people don't like what I can design then tough.