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Payen Pa 49
The Payen Pa 49 Katy was a small experimental French turbojet powered tailless aircraft, first flown in 1954, was the first French aircraft of this kind and the smallest jet aircraft of its day.〔
==Design and Development==
Roland Payen was a pioneer of tailess and delta winged aircraft, building two designs, a light aircraft and a fighter, before the second world war. The Pa 49 Katy was his first post-war design.〔
The all wood〔 Katy was a true tailess aircraft, in the sense that it had no separate horizontal stabiliser. The wing leading edge was swept at about 55° but, unlike the classic delta with its straight trailing edge, the Katy's was swept at about 30° with each trailing edge carrying full span control surfaces, elevators inboard and ailerons outboard.〔
At its root, the wing merged gently into the fuselage with small air intakes for the 1.47 kN (330 lbf) Turbomeca Palas engine built into the leading edge. The cockpit was placed just aft of the intakes and the long straight-edged fin, swept at about 75° and initially as wide as the cockpit, began immediately behind it, narrowing to a slightly swept trailing edge carrying a full depth rudder.〔 Images recorded before the first flight show the Katy with a low bicycle undercarriage with wing tip skids but, by the time of the flight itself, this was replaced by a fixed, un-faired tricycle undercarriage.〔
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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