RevRick -> RE: Alternative Destroyer Design Theory (1/25/2013 1:48:39 AM)
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ORIGINAL: Gridley380 Well, I doubt the US would have had 48 of the line in commission AT ONCE in peacetime with the IJN only having 24 and the RN about the same. I was thinking of 30 in commission (many of them scheduled for retirement as new construction came online) with 18 being built in the 1940's. Still, there's no reason that absent the depression AND the treaties the USN wouldn't have retired all the dreadnaughts and 'standard' BBs by 1941, replacing them with new construction. I want to see those old girls fight, but I'd also like to see the treaty wiped away (I demand a BB USS Montana!). It seems that the best way is to kill the treaty but keep the depression. The "old 30" would be the Delaware, Florida, Wyoming, New York, Nevada, Pennsylvania, New Mexico, Tennessee, Colorado, South Dakota, and 'improved South Dakota' classes (the last being three ships built in the late 1920's). These break down pretty well into ten divisions of three ships each (common major caliber and speed in all but one division). The depression halts construction after the improved SD class, which also halts plans to retire the old 12" gunned ships in light of continuing IJN construction. Well, Here is a quick synopsis of my take on a AltWNT & failed London treaty USN... RN and IJN similarly increased as well... BTW - this is by the seat of the pants down and dirty approximations.. not calculated with intense attempt a naval construction or architecture: Battleships 1941 Two x AltHist Massachussetts class (Massachussetts, Oregon) Massachussetts- Active PacFlt, Oregon-WorkingUp LantFlt. 40,000 tons, 30 knots. 3 X 3 16" 50 caliber, 20 x 5" 38 caliber DP in twin mounts. AAA = 48 x 40mm Bofors + 48 x 20mm Oerlikon (increased by 1941). Armor = 7" decks, 12.2" belt, 18" turrets, torpedo bulkheads: 1 x 25mm & 2 x 19mm. 3 seaplanes. One x AltHist Alabama class: (Alabama, Michigan, Maine, Nebraska) Alabama-ActivePacFlt, Michigan- workingup LantFlt, Maine & Nebraska-fitting out shipyards. 40,000 tons, 30 knots. 3 X 3 16" 50 caliber, 20 x 5" 38 caliber DP in twin mounts. AAA = 48 x 40mm Bofors + 48 x 20mm Oerlikon (increased by 1941). Armor = 7" decks, 12.2" belt, 18" turrets, torpedo bulkheads: 1 x 25mm & 2 x 19mm. 3 seaplanes Two x North Carolina class. North Carolina, New Hampshire (both ActivePacFlt) 40,000 tons, 30 knots. 3 X 3 16" 45 caliber in triple turrets; 20 x 5" 38 caliber DP in twin mounts AAA = 48 x 40mm Bofors & 48 x 20mm Oerlikon. Armor = 7" decks, 12" belt, 16" turrets, 1 x 25mm torpedo bulkhead & 2 x 19mm + double bulge each side. 3 planes. 1931-1934 Four AltHist South Dakota class (South Dakota, Indiana, Georgia, Louisiana) South Dakota, Indiana, Louisianna-ActivePacFlt; Georgia-ActiveLantFlt 43,600 tons; 30 knots 4 X 2 x 16" 50 caliber Mk 3., 20 x 5" 38 caliber DP in four twin mounts each side (post refit) AAA = 16 (4 x 4) 1.1 machine cannon & 12 x 2 20 mm Oerlikon.. 5” AD, 1.5 Splinter, 13.5" belt, 18" turret faces, 1 x 25mm & 2 x 19mm + internal & external torpedo bulges each side. 2 seaplanes 1919-21 Four x modified Colorado class: Colorado, Maryland, Washington, West Virginia Maryland, West Virginia-ActivePacFlt. Washington-ActiveLantFlt. Colorado-Refit Seattle. All four modernized in service in 1932-34 Naval Reconstruction Period w/extended bows. Original electric drive replaced 1932-34 w/ 85,000 hp plant w/alternating boiler & engine rooms). 37,600 tons & 26 knots 4 X 2 16" 45 caliber, 16 x 5” 38 cal DP in twin mounts. AAA = 16 (4 x 4) 1.1 machine cannon; 8 x 1 20mm Oerlikon; 10 x 1 .50 Cal M2 machine guns. 6" AD, 1.5” Splinter; 13.5" belt, 18" turret faces, three x 19mm torpedo bulkheads + 90# blister. 2 seaplanes. 1916-17 Two modified Tennessee class. Tennessee, California. Rebuilt identically to Modified Colorado class save for main battery. Main battery 4 x 3 14” 50 Cal in triple turrets. Elevation increased to 35 degrees. 1915 Four x heavily modified New Mexico class. 35,000 tons, otherwise somewhat modernized as Tennessee: engine plant rebuilt from for orig 1919 South Dakota Design. 65,000 hp. Speed 24 kts. 4th Ship in class – USS Kansas – built with funds from sale of USS Kansas (BB21) to Chile & USS Minnesota (BB22) to Brazil. 1914 Two x modified historic Pennsylvania class. Somewhat modernized as 33,500 tons, 21 knots. 12 x 14" 45 caliber in triple turrets, 10 x 5" 51 caliber in casemates, 8 x 5" 25 caliber AA in unenclosed single mounts, AAA = 16 x 40mm Bofors + 32 x 20mm Oerlikon. 4 seaplanes. 7" decks, 13.5" belt, 18" turret faces, three x 19mm torpedo bulkheads + single bulge each side. Obsolete. 1913 Two x Nevada. Somewhat modernized as 29,000 tons, 21 knots with turbine engines. 10 x 14" 45 caliber in twin turrets superimposed over triple turrets fore & aft, 10 x 5" 51 caliber in casemates, 8 x 5" 25 caliber AA in unenclosed single mounts, AAA =164 x 40mm Bofors + 32 x 20mm Oerlikon. 4 seaplanes. 5.5" decks, 13.5" belt, 18" turret faces, three x 19mm torpedo bulkheads + single bulge each side. Obsolete. Building: 2 x Alabama, 1 x Iowa, 1 Montana ready in 1942, 2 x Iowa, 1 Montana in 1943, 1 Montana in early 1944. 1 Rhode Island 1944 1 Rhode Island 1945. Planned Additions: 1942 Four X Iowa Class: Iowa, New Jersey, Wisconsin, Missouri 47,500 tons, 35 knots. 3 X 3 16" 50 caliber, 20 x 5" 38 caliber DP in twin mounts. AAA = 48 x 40mm Bofors + 48 x 20mm Oerlikon (increased by 1941). Armor = 7" decks, 12.2" belt, 18" turrets, torpedo bulkheads: 1 x 25mm & 2 x 19mm. 4 seaplanes 1942-43 Four X Montana Class: Montana, Kentucky, Illinois, Ohio 67,200 Tons, 30 Kts. 4 x 3 16” 50 Caliber, 20 x 5” 54 Caliber DP in twin mounts. AAA = 48 x 40mm Bofors + 40 x 20mm Oerlikon (both increased by 1941) Armor = 8.2” decks, 16” Belt, 20” turrets, torpedo bulkheads: 1 x 45mm & 2 x 25mm. 4 Seaplanes. 1943-44 2 x Rhode Island Class: Rhode Island, Delaware 79,200 tons, 28 kts. 8 x 2 18”47 Cal. Mk. 3, 24 x 5” 54 Cal. DP in twin mounts. AAA: 88 x 40mm Bofors + 48 x 20mm Oerlikon. Armor = 9.2” Decks, 18.6” Belt, 20.5” turret, 4” Armored bulkhead, 4 torpedo bulkheads total 95mm.
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