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Vertical Hummingbird : ウィキペディア英語版 | Vertical Hummingbird
The Vertical Hummingbird is an American helicopter, produced by Vertical Aviation Technologies of Sanford, Florida that was introduced in 1991. The aircraft is supplied as a kit for amateur construction.〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 194. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕 ==Design and development== The Hummingbird is a development of the certified Sikorsky S-52 that first flew in 1947, adapted to kit form. The aircraft features a single main rotor, a four seat enclosed cabin, quadracycle landing gear and a choice of two powerplants.〔 The prototype was converted by Vertical Aviation Technologies from a Sikorsky S-52-3.〔 The Hummingbird fuselage is made from riveted aluminum sheet. The nose section is adapted from the Bell 206. Its diameter fully articulated three-bladed main rotor employs a NACA 0015 airfoil. The two-bladed tail rotor has a diameter of . The aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is .〔
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「Vertical Hummingbird」の詳細全文を読む
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