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Aviation History
1944
1944 - 1230.PDF
64° FLIGHT Studies in Recognition Aircraft in F ORIGINALLY designed as a luxury airliner for Imperial Airways, the Armstrong Whitworth Ensign was at first powered by 850 h.p. A.S. Tigers, but these were later replaced by 1,100 h.p. Wright Cyclones, and nine of these aircraft were taken over by B.O.A.C. for wartime overseas transport duties. top speed being just over 200 m.p.h. Appreciably bigger than our most modern transport, the York, the Ensign is also a high-wing type-with taper on both 1 edges to square, raked tips; the tailplane is of similar plan i and the large, somewhat ugly, single fin and rudder has a pro nounced slope on its leading edge, the rudder projecting well I aft of the elevators. The fuselage is long and comparatively slim and is oval in cross-section. The undercarriage retracts into extensions of the inner nacelles, leaving parts of the wheels j protruding. Dimensions: Span 123ft., length 114ft., height 23ft., wing area 2,450 sq. ft. STILL retaining the distinction of being the world's biggest aircraft, the Douglas B-19 created world-wide interest on its advent, while its maiden flight was notable for the fact that the insurance premium "for the first airborne minute was £20,500. Powered by four 2,000 h.p. Wright Duplex Cyclones, its top speed is over 225 m.p.h.. but it has a maximum range of nearly 6,000 miles. Only the prototype, since taken over by the U.S.A.A.F., has so far been built. Being designed specifically as a bomber, the fuselage of the B-19 is comparatively slim and mounts two upper turrets. High aspect-ratio wings are sharply backswept on the leading edge, the trailing edge being quite straight; tips arc small and round. The tailplane tapers on both edges to round tips and the large single fin and rudder is reminiscent of the Fortress II. A tricycle undercarriage is employed. Dimensions: Span 212ft., length 132ft. 4m., height 42ft., wing area 3,700 sq. ft.
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