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The Schweizer SGU 1-19 and Schweizer SGU 1-20 are a family of United States single-seat, high-wing, strut-braced, utility gliders built by Schweizer Aircraft of Elmira, New York.〔〔Schweizer, Paul A: ''Wings Like Eagles, The Story of Soaring in the United States'', pages 96-108. Smithsonian Institution Press, 1988. ISBN 0-87474-828-3〕 The 1-19 was a 1944 development of the pre-war SGU 1-7 and bears a strong resemblance to the earlier craft. It was designed for single place training and soaring flights.〔 The 1-20 was an improved version of the 1-19 with a wingspan of replacing the wing on the 1-19.〔〔 ==Background== Schweizer Aircraft had produced the SGS 2-8 and SGS 2-12 training gliders for the US military as well as producing many aircraft parts under subcontract for the war effort. As the Second World War was drawing to a close the company decided to continue to make gliding part of their business plan.〔 Many economic forecasts had predicted a post war aviation boom, with thousands of military trained airmen returning home to the USA to fly civil aircraft. Like many aircraft manufacturers Schweizer planned to produce new aircraft for the boom.〔 Once the war had ended the availability of cheap military surplus gliders severely limited the market for sales of new gliders. By the summer of 1948 is was obvious that the boom was not going to occur and this left manufacturers with surplus inventory of powered light aircraft and, in the case of Schweizer, gliders.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Schweizer SGU 1-19」の詳細全文を読む スポンサード リンク
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