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Aviation History
1949
1949 - 1167.PDF
734 FLIGHT Forty Years Famous . . . H.P.7 The crescent wing form of earlier "H.P." monoplanes was retained for this biplane of- 1913, but ailerons were fitted (on the upper wing only) instead of a wing-warping system as employed for the monoplanes. A 100 h.p. Anzani engine gave a speed of 73 m.p.h. Span and length were 40ft and 27ft. H.P.12 (O/4OO) A development of the o /100 of 1915 (the first successful large bomber, and the type which met the Navy's demand for "a bloody paralyser"), the 0/400 first flew in 1917. Forty o / 100s were built, but by the end of the war roughly ten times this quantity of 0/400S had been completed. This historic type—operated against the Germans, Turks and Bulgarians—measured over 100ft in span and flew at a weight of 14,000 lb. Two Rolls-Royce Eagle 8 engines gave it a cruising speed of 85.5 m.p.h. I1.IM5 (V/15OO) The supreme Handley Page product of the Great War, the V/1500—or " Super Handley," as it was often called— was designed for attacks on Berlin. A total of 255 was ordered ; the first flew in April, 1918, and three were ready to raid the German capital when the Armistice came. The V/ 1500's specification tells its own story : Engines, 4 R.-R. Eagles ; span, 126ft; crew, 6 ; bomb load, 30 x 250 lb ; top speed, 100 m.p.h. One of these giants carried forty pas- sengers over London. II.P.17 (Slotted D.H.9) A standard Puma-engined D.H.9 two-seater bomber, modified for experimental flying with Handley Page slots, flew, in unslotted form, in April, 1920. Tests with the slots were outstandingly successful, and led to an order for the Hanley torpedo carrier. H.P.18 (W.8) The highest award in the Air Ministry's 1920 competition for commercial aircraft was easily gained by a twelve-seater Handley Page biplane, developed from the 0/700 (civil version of the 0/400), and known as the W.8. Later, at an International meeting in Brussels, the same aircraft was awarded first prize for commercial machines. Piloted by Captain (later Professor) G. T. R. Hill, it established a record in 1920 by lifting a load of 3,600 lb to a height of 14,000ft. The two engines were Nagier Lions. H.P.18 (W.8b) Though having the same flying weight as the W.8, this development (first flight 1922) was powered by Rolls-Royce Eagle engines of much lower power (360 h.p. instead of 45° h.p.). Three examples were built.
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