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Friday, 19 February 2016
Preliminary design for the British battle cruiser HMS Hood [1919]
Drawing S-584-14. This design was to be used for comparing with preliminary designs of US Navy. Commodore Stanley Goodall (1) of the Royal British Navy and captain Lewis [Bowen] McBride (2_ made this design.(3) McBride was during the First World War stationed at London, England while Goodall was assigned at the U.S. Navy Bureau of Construction&Repair. The exact date of this design is not known, but it seemed to be of the beginning of 1919. Normal displacement of 41.000 tons and as dimensions 849.6 (waterline) x 95.6 (on waterline)-104.0 (extreme) x 27.9 (normal at PP)-28.9 (normal at AP) feet. Freeboard 18.9 (maximum at AP)-21.11 (at side MP)-29.0 (maximum at stem). Total depth at MP measured at of uppermost strength DK 50.9, deck height 8.0-9.0 feet. GM 4.15’. Moment to trim, 1 5.380. Tons per inch immersion 126.8. Maximum tension 9.8 deepload, maximum compensation hogging deep load 9.05, maximum tension sagging normal 3.85 and maximum compensation sagging normal 3.43. Armour consisted of a main side belt with an extreme width of 24.0, depth below waterline 3’ and a thickness of 5-12”. Barbettes protected by 4.5-6” (light parts)-12”(heavy part), turrets by 5”(top)-11”(sides)-15”(sides) and the conning tower by 5” (top)-15” (sides). With a horsepower of 72.000 ehp and a displacement of 40.730 was the planned speed 31,25 knots. The armament was to consist of 4x2-15” guns, 16-5.5” guns, 4-4” quick firing aircraft guns and 2-21” submerged torpedo tubes above each other. Displacement 41.120 (4.290) tons with between brackets the figures to be add for deep load): hull 15.000, equipment 800 (180), armour 6.750, protection 6.800, main armament4.500 (546), minor armament 700 (14), oil fuel 1.200 (2.800 +100 ton galley fuel), machinery 5.070, engineer’s sores 100, margin 200, feed water 0 (640).
Notes
1. Sir Stanley Vernon Goodall (18 April 1883 Poplar, London, England-24 February 1965, Battersea, England), graduated at the Royal Naval College in 1907, appointed during the First World War as assistant naval attaché at Washington, USA, cooperating there with the . Promoted in 1930 as chief constructor and in 1936 as Director of Naval Construction.
2, Lewis Bowen McBride, (7 October 1947 deceased) graduated at the US Naval Academy, Annapolis, USA, class of 1901, finally dismissed in the US Navy in the rank of captain.
3. Building ordered on 7 April 1916, laid down by John Brown&Company, Clydebank, Scotland on 1 September 196, launched on 22 August 1918, commissioned on 15 May 1920 and sunk by the German battleship Bismarck on 24 May 1941 in the Battle of the Denmark Strait.
Source the so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584. Preliminary designs prepared by mostly civilians working at the Bureau of Construction and Repair (succeeded by the Bureau of Ships nowadays the Naval Sea Systems Command) under supervision of naval architects of the Navy Construction Corps. A major part of the drawings is presented to the General Board which adviced the Secretary of the Navy.