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The Airdale Backcountry is an American amateur-built aircraft that was designed by John Larsen as a derivation of the Avid Mk IV and produced by Airdale Flyer Company, of Rhinelander, Wisconsin. The aircraft is supplied as a kit for amateur construction.〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 92. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕〔Vandermeullen, Richard: ''2012 Kit Aircraft Buyer's Guide'', Kitplanes, Volume 28, Number 12, December 2011, page 38. Belvoir Publications. ISSN 0891-1851〕 ==Design and development== The Backcountry features a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cockpit with doors for access, fixed conventional landing gear and a single engine in tractor configuration.〔〔 The aircraft fuselage is made from welded 4130 steel tubing, while the wing is of aluminum construction, with all surfaces covered in doped aircraft fabric. Its span wing has an area of and flaperons. The Backcountry was designed to use the Stratus EA 81 automotive conversion four-stroke powerplant.〔〔 The improvements over the Avid design include redesigning the aircraft to comply with the European Joint Aviation Requirements at a gross weight of , including stretching the fuselage by , changing the main landing gear legs to aluminum gear with a track of , increasing the angle of the windshield, simplifying the control system and designing a differential flaperon system, redesigning the structure in the cockpit area to improve baggage access, adding new seats, increasing cockpit headroom and legroom, introducing wider cockpit doors and more cockpit width, modifying the tailwheel spring for more strength and designing a new engine cowling to accommodate the Subaru engine and other engine designs. The company also offers a conversion kit for existing Mk IVs.〔 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「Airdale Backcountry」の詳細全文を読む スポンサード リンク
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