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Aeronix Airelle
The Aeronix Airelle is a tandem wing ultralight with twin engines in push-pull configuration, that was designed and built in France at the start of the millennium. Intended to be homebuilt from kits, a few prototypes were constructed but development ended when the company went into receivership in 2006.
==Design and development==
Design of the Airelle began in 1999 and a one third scale model flew the following October. The full scale Airelle was formally introduced with a mock-up at the Paris air show held at le Bourget in June 2003, though its first flight was made in February 2002.〔
Its layout is very unusual, both in that it has a tandem pair of wings and that its twin engines are in push-pull configuration. The rear wing has the greater span and chord, and is swept (at 30°) and tapered, with outward-leaning fins and rudders at its tips, rather as in traditional lifting canard aircraft. However, the unswept, straight tapered foreplane has a much greater fore/rear wing span ratio (about 80%) than most of this type, for example 66% for the World War II Miles Libellula. The whole trailing edge of each rear wing, which has a dihedral of 2°, is occupied by a combination of outboard mass balanced ailerons and inboard plain flaps. The foreplane has full span elevators and slightly turned down tips. The wings, like the rest of the Airelle's structure, is largely carbon fibre. The fins have inward turned tips. The Airelle's rudders have several modes of operation: used together they control yaw, as normal; they can be split on one side only, as spoilers, or both faces can separate to act as airbrakes.〔
The Airelle's fuselage is short, with the centrally hinged, forward opening, transparent cabin doors between the wings and engines. Both two and four seat variants were planned. A glass cockpit and a control system without rudder bars is fitted. The fuselage is deeper aft, carrying the rear wing higher than the foreplane. The prototype Airelles were powered by 30 kW (40 hp) Zanzottera flat twin engines, though Hirth F23ES engines of the same power and configuration were planned for production aircraft and a projected VLA version was intended to take engines of up 75 kW (100 hp).〔〔 The Airelle has a tricycle undercarriage with sprung, composite main legs mounted on the fuselage.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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