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Aviation History
1950
1950 - 0709.PDF
FLIGHT, 13 April 1950 The Armstrong WHtworth Apollo civil airliner powered by four Armstrong Siddeley Mamba propeller turbines. "Flight" photograph „ . • v- PROVES Armstrong Siddeley turboprops are now flying in the following aircraft •k WYVERN .... Naval strike fighte* T*r FAIREY 17 .. carrier-borne aircraft ic ATHENA ..... advanced trainer it BALLIOL advanced trainer if APOLLO air liner • MARATHON . air liner • DOUGLAS DC 3 .... conversion ARMSTRONG SIDDELEY MOTORS LIMITED, Parkside, Coventry Members of tht Hawker Siddtky Group this type of engine ideal for AIRLINE operation Increased power for take-off and climb, a wide speed/range variation with its invaluable safety margin, and, above all, exceptional quietness and smoothness in flight; these are the characteristics of the turbo-jet engined aircraft—characteristics which appeal to the airline passenger. P R OP E L L E R TURBINES
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