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Friesley Falcon
The Friesley Falcon was a twin engine, 12 passenger biplane airliner, designed and flown in the USA in 1921. The only example built was later sold to China.
==Design and development==
The Falcon was funded by Harold Friesley, a farmer on land along Route 70 between Oroville and Marysvile in California.〔 It was designed and first flown by Bond Spencer. A large, three bay biplane, its equal span wings had no stagger or sweep. On each wing the outer bay was defined by simple parallel pairs of interplane struts and the inner wing was divided by the engine mounting, which placed each 400 hp (30 kW) V-12 Liberty L-12 engine and its square, front mounted radiator halfway between the wings. Ailerons, projecting slightly beyond the wing tips, were fitted on both upper and lower wings. The lower wing was mounted on the bottom fuselage longerons, with an inter plane gap of 7 ft 6 in (2.29 m), the upper plane passed over the top of the fuselage, supported by cabane struts.〔
The fuselage of the Falcon was rectangular in cross-section and flat sided apart from a slightly curved decking. It was almost entirely plywood covered. The nose had a simple, rounded, single curvature covering and formed the pilot's enclosed cockpit, with deep, almost continuous, vertical windows and another transparency in the roof. Six rows of wicker seats, separated by a central aisle, accommodated the twelve passengers in the front part of the fuselage behind the pilot, in a space 4 ft 8 in wide (1.32 m) and 5 ft 8in (1.63 m) high. Behind this windowed cabin was a baggage store measuring 4 ft 5 in wide (1.35 m) by 4 ft 0in (1.22 m). The tailplane was mounted low down on the fuselage, carrying a pair of triangular fins with isosceles trapezoidal rudders. Both rudders and elevators were balanced and the tailplane incidence could be adjusted in-flight.〔
The Falcon had a fixed conventional undercarriage with twin sprung mainwheels under the engines and a rubber sprung tailskid.〔 The first flight - of about two minutes - was made from Friesley Field on 17 April 1921.〔 A second equally short flight was made that day and the first public flight made the following day.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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