胡安·德拉谢尔瓦

胡安·德拉谢尔瓦·科多紐，第一代德拉謝爾瓦伯爵（，）是西班牙土木工程師、飛行員和航空工程師。

生平
他最著名的成就是在1920年發明自轉旋翼機。經過4年的實驗後，德拉謝爾瓦在1923年開發鉸接式旋翼並製造出，成為世界上第一架成功穩定飛行旋轉翼飛機。

參考資料
參考文獻

• Peter W. Brooks: Cierva Autogiros. Smithsonian Institution Press, Washington 1988
• Ord-Hume, Arthur W. J. G. (2011) Juan de la Cierva and his Autogiros. Catrine, Ayrshire:Stenlake Publishing ISBN 9781840335590

外部連結
*[http://www.gyroplanepassion.com/Juan_de_la_Cierva.html Juan de la Cierva]
*[https://web.archive.org/web/20131029191109/http://www.sagpa.co.za/wnewsdisp.php?id=6886 History of the autogyro and gyrodyne]
*[http://www.hofstra.edu/pdf/about/administration/provost/hofhrz/hofhrz_f02_charnov.pdf Cierva, Pitcairn and the Legacy of Rotary-Wing Flight]
*[http://www.centennialofflight.net/essay/Dictionary/cierva/DI17.htm U.S. Centennial of Flight - Juan de la Cierva]
[https://books.google.com/books?id=ueQDAAAAMBAJ&pg=RA10-PA34&dq=Popular+Science+1935+plane+%22Popular+Mechanics%22&hl=en&ei=Mps3Ts_RNKL_sQLdiN0q&sa=X&oi=book_result&ct=result&resnum=7&ved=0CEEQ6AEwBjgK#v=onepage&q&f=true "It is Easy to Fly Autogiro Declares Inventor"] Popular Mechanics*, January 1930 pg.45 and see drawings by scrolling up to pg. 44

|-