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The Duane's Hangar Ultrababy (sometimes Ultra Baby) is an American homebuilt aircraft that was designed by Duane Patrick and produced by Duane's Hangar of Liberty, South Carolina, introduced about 1997. When it was available the aircraft was supplied in the form of plans for amateur construction.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 146. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1〕 ==Design and development== The aircraft is a 75% scale version of the Bowers Fly Baby intended to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of . It can have a sufficiently low enough empty weight for that category when a light enough engine is fitted. The Ultrababy can also be registered in the American homebuilt aircraft category.〔 The Ultrababy features a cantilever low-wing, a single-seat open cockpit with a windshield, fixed conventional landing gear and a single engine in tractor configuration.〔 The aircraft is made from wood, with its flying surfaces covered in doped aircraft fabric. Its span wing lacks flaps and has a wing area of . The acceptable power range is and the standard engine used is the Half VW powerplant.〔 With the Half VW engine the Ultrababy has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for pilot and baggage is .〔 The designer estimates the construction time from the supplied plans as 700 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「Duane's Hangar Ultrababy」の詳細全文を読む スポンサード リンク
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