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The Ekolot KR-030 Topaz is a Polish ultralight aircraft, designed and produced by Ekolot of Krosno. It was certified in Poland in February 2010. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly aircraft.〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 44. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕 ==Design and development== The Topaz is a development of the Ekolot JK-05L Junior and was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a cantilever high wing in place of the Junior's strut-braced wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration.〔 Like the Junior, the Topaz is made from composites. Its span wing employs an NN-1817 airfoil, has an area of and flaps. Dual fuel tanks are located behind the seats. A ballistic parachute is an available option. The standard engine available is the Rotax 912UL four-stroke powerplant.〔 The use of a one-piece wing without struts gives the Topaz a higher cruise speed than the Junior, while resulting in the same empty weight.〔 The Topaz has been accepted by the US Federal Aviation Administration as a light-sport aircraft. 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「Ekolot KR-030 Topaz」の詳細全文を読む スポンサード リンク
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