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Aviation History
1962
1962 - 2156.PDF
^V.'J **>T r^*-^ r">* /« ./ /**•' «»- it ««•»« ^ Fig 8 The first instrument in history to test aeronautical streamlining; Cay/ey's fu//y annotated whirling arm of 1850 FLIGHT International. 20 September 1962 491 Fig 7 (left) The Greatest Cay/ey discovery so far—his own rough sketch of his full-size glider of 1849; it was successfully flown unmanned, and tested for a few yards at a time with a boy on board. It is the world's first aeroplane with inherent stability provided for by lateral dihedral and adjustable tailplane-cum-fm, and with pilot-operated elevator-cum- rudder. Wing area. 338 sq ft: weight (empty), 1321b Fig 11 Towards the end of his life Cayley returned to pay much attention to tandem-wing types. This is a sketch for a glider model based on his successful 1853 type, and made either the same year or early in 1854 *££ Fig 12 A fascinating tit-bit. This is Cayley's jotted diagram of how he hoped his full-size machine of 1853—which later carried the unwilling coachman—would have its flight-path modified by the pilot's vigorous use of propulsive flappers Fig 9 The inventor's large whirling arm of 1850, built for testing aerofoils of up to 10 sq ft at varying angles of incidence Fig 10 (below) Cayley's last model glider (1853); a parasol monoplane with span of 6.5ft, chord of 4.5ft. Elevator area, 4 sq ft. Rudder area, 2 sq ft. Total weight, 16.51b: "will fly from four to eight times horizontally the height of its perpendicular fall, according to the correctness of its adjustment" Fig 13 In all probability this is a sketch (here retouched) of the car of the famous "coachman-carrier" of 1853, showing the transmission for the flappers, the chock-brakes on the forward wheels, and the hand-brake (for use after landing) on the rear wheel Fig 14 (below) At the end of his life (c. 1853-54) Cayley gave much attention to the design of complex multiplanes, with an overshadowing main wing, and two sets of biplane wings below and with propulsive flappers amidships. This is an underside sketch diagram of my awn— minus undercarriage and pilot-operated control surfaces—based directly on a drawing and measurements found among Cayley's papers
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