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Catapults on batleships/submarines

October 16 2009 at 2:57 PM
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John Wilson  (Login Hugo999)

Response to SOC's on board carriers


The dangerous hangar deck catapults would be similar to the catapults on battleships with seaplanes and Japanese submarine carriers with floatplanes; the catapult ejected the plane along a ramp into the air rather than assisting in a takeoff from a short flight deck. The reconnaissance seaplane/floatplane landed next to the ship/sub and was retrieved by a crane.

Battle Surface (by David Jenkins, 1992) says that the Japanese submarine reconnaissance floatplanes were launched by a compressed air catapult; the aircraft was flung from a carriage running on (inclined) twin rails on the forward deck at 25 metres per second. The floatplane carried in a waterproof hanger had to be assembled on deck; this took 20 minutes for the Watanabe E9W1 (Slim) but only ten minutes for the Yokusuka E14Y1 (Glen).
The British Supermarine Walrus biplane was carried on battleships like HMS Prince of Wales (4) and HMS Rodney (2), and cruisers like HMS Achilles (1). The Walrus was also used for antisubmarine and air-sea rescue work.

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