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Pitcairn PA-18 : ウィキペディア英語版 | Pitcairn PA-18
The Pitcairn PA-18 was an autogyro produced in the United States in the early 1930s.〔Taylor 1989, p.735〕 In 1931, Pitcairn had produced a lightweight autogyro suitable for the private pilots as the PAA-1.〔''The Illustrated Encyclopedia of Aircraft'', p.2739〕 Experience with this and with other light, low-powered machines convinced Pitcairn that while the concept was good, they presented significant handling problems to inexperienced pilots.〔 The PA-18 was designed as a machine for the same market, but with a more powerful engine and structural strengthening.〔 The availability of more power contributed greatly to the aircraft's responsiveness at low speeds.〔 In 2008, a PA-18 was restored to flying condition by Jack and Kate Tiffany of New Carlisle, Ohio.〔Erardi 2008〕 At the same time, a second PA-18 was under restoration by the Posey Brothers firm at the Trenton-Robbinsville Airport.〔"Pitcairn PA 18 Autogiro"〕 Most other PA-18s were purchased by the United States government in 1940 and sold on to the United Kingdom.〔 They never arrived, however, since the ship carrying them was sunk by a German submarine.〔
==Specifications (PA-18)==
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