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The Volmer VJ-24W SunFun is an American high-wing, strut-braced, single-seat, pod-and-boom motor glider and ultralight aircraft that was designed by Volmer Jensen and provided as plans for amateur construction by his company Volmer Aircraft of Glendale, California.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook'', page 315. BAI Communications, July 1998. ISBN 0-9636409-4-1〕〔Rogers, Bennett: ''1974 Sailplane Directory, Soaring Magazine'', page 100. Soaring Society of America, August 1974. USPS 499-920〕〔Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page E-43. Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4〕 ==Design and development== The SunFun started as a foot-launched glider design, the VJ-24, and was developed into a wheeled undercarriage motor glider, the VJ-24W. The VJ-24 was derived from the earlier Volmer VJ-23 Swingwing and differed from that design by replacing the wooden structure with metal and employing a constant chord, strut-braced wing in place of the VJ-23's cantilever, tapered wing.〔〔〔 The aircraft is built from aluminium tubing covered with aircraft fabric. The span wing is braced by V-struts, supported by triangular jury struts. The fuselage is built around a keel tube that mounts the cruciform tail at the aft end, the wing and cockpit in the center and the engine at the front. The specified engine is a Yamaha garden tractor powerplant of that is mounted in tractor configuration on the front of the keel tube, above the aircraft's nose. The landing gear is of conventional configuration, using spoked bicycle wheels for the main gear. Pilot weight is limited to .〔〔 The take-off and landing distances with the engine are both .〔 In 1998 plans cost US$100 and the estimated cost of the materials to build the VJ-24W were US$2400. The estimated construction time is 250 hours.〔 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「Volmer VJ-24W SunFun」の詳細全文を読む スポンサード リンク
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