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Aviation History
1952
1952 - 2396.PDF
240 FLIGHT BRITISH AIRCRAFT 1952 military Power plant .. Armstrong Siddeley Double Mamln Span . 54ft 4in Length . 43ft Height 13ft 8tin Fairey Gtttonet SELECTED for super-priority production as the standard carrier-borne anti-submarine aircraft of the Royal Navy, the Fairey Gannet A.S.I is unusual in that both the airframe (built by the new method of "envelope jigging") and engine (the Armstrong Siddeley Double Mamba turboprop) are of entirely new design. A three-seater, the Gannet has a very capacious weapons bay and carries additional stores beneath the wings. The maximum power of the Double Mamba will generally be used only for take-off and action; for patrol one unit will be shut down, thereby protracting endurance and extending engine-life. The primary reason for selecting a gas-turbine power plant was an official requirement for the elimination of petrol from aircraft carriers, though many incidental advantages are conferred. Not least of these is the low noise level in the cockpits, which should benefit crew efficiency. Fairey Firefly SINCE it was introduced at the Display last year, the Fairey Firefly A.S.7 anti-submarine aircraft has undergone further development. The most notable inno vation is the completely new vertical tail assembly—larger and more angular than formerly. Small modifications have also been made to the engine cowling. This mark has no built-in armament, as had the earlier fighter and reconnaissance versions of the Firefly, but, appropriate to its specialized duty, is provided with radar and sonobuoys—the latter in aerofoil-section containers beneath the wings. Eight rocket projectiles were carried on the Firefly A.S.7 which performed at Famborough last year. Numerous Fireflies of earlier operational marks have been converted for training and target-towing. Typical of these is the Firefly T.T.i tug, which will tow a 16ft glider target continuously at 259 m.p.h., or for short periods at 298 m.p.h. Power plant Rolls-Royce Griffons
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