FatR -> RE: The PERFECT WAR Mod: What is the Vision? (8/13/2011 9:17:56 PM)
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Mike scholl's post in the sister thread (and browsing other alternatives available on the net, I must admit) made me think that I might be overlooking Allied reaction on various Japanese shenanigans, primarily tonnage manipulations. More on that when we'll return to cruisers later. So far, just checking in the destroyer proposal, modified for new 120/45 Type 90 and 120/55 Type 98 guns. Modification of old DDs - as described previously, but 120/45 Type 90 replaces 127/40 Type 89. Otori-class TBs are not built. Building of modern DDs until Hatsuharu - as RL. 6 Hatsuharus - modify as DDAA as decribed above. Unshielded mounts probably need to be used. 10 Shiratsuyus - 3x2 120/45 Type 90 in properly enclosed turrets, 2x4 610mm TTs. Size and design as RL. 10 Asashios - main armament is the same as on the previous class, the main differences are turret positioning and powerplant. Hull is smaller compared to RL, allowing to save materials and achieve greater speed (36-37 knots) with the same power. 20 Kageros - slighly bigger, main armament is the same, but the number of depth charges on board is slightly increased. The main differences, as IRL, are lighter engine and greater cruise speed. Savings achieved by building smaller ships start to tell here, allowing to build 2 more DDs (and probably even have extra materials and money left for other projects). Yugumos - war emergency measures will start to kick in here, and design of these ships will be adjusted according to reports on the war in Europe from the start. They will be bigger and slower than Kageros, albeit smaller than RL Yugumos, and will carry a larger number of 25mm guns from the start (their depth charge load was improved already IRL). 3 will be available at the beginning of hostilities, and thereafter I think about 7 per year for 1942-44, owing to their smaller size, is not impossible. Akizuki - a super-Yugumo with 3x2 new 120/55 guns. Between RL Akizuki and Yugumo classes in size, and, like RL Akizuki, still using the same powerplant as Yugumo. Between being smaller, being more similar to Yugumos and not building extremely expensive Shimakaze, building at least 16 of these, with the first available in autumn of 1942, is not a stretch, I think. Matsu - I'm actually not very fond of this ship, for the reasons I'm not very fond of the opposite side of Japanese DD spectrum, RL Akizuki - in a desperate war they too will be used exactly as normal DDs, except if RL Akizukis were too expensive to lose, RL Matsus were too easy to lose - IIRC 3 out of 7 lost DDs of this class were destroyed in surface actions, for which they were poorly suited (Take managed to sink an american DD in return, though). While building an emergency design like this is probably inevitable, I'd propose making them slightly bigger, to house at least 2x2 120/45 Type 89 guns. APDs - a dozen of faster named APDs, as described by mikemike above in 1941-42, with 3-4 available at the beginning, start building Type 1 from late 1942, with avalability in 1943. I'm yet undecided where the main investment should be made during the war, that's why I'm not posted numbers on Matsus and only APD building really takes into account the postulated industry boost.
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