Design and development
The Bison was designed to comply with the European Fédération Aéronautique Internationale microlight classification. It features a Flying wires, cable-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem open cockpit, tricycle landing gear and a single engine in pusher configuration. The aircraft wing is made from bolted-together aluminum tubing and covered in Dacron sailcloth. A number of different wings are available for the Bison. The wing is supported by a single tube-type kingpost and uses an "A" frame control bar. Optional equipment includes a Aircraft fairing, cockpit fairing and wheel pants. Engines used are the Rotax 503 and Rotax 447 twin cylinder, two-stroke powerplants. The landing gear is cable-braced, which allows a folding design for ground transport or storage. The Bison was later developed into the Cosmos Phase II, by adding larger seats, new landing gear shock absorbers and a redesigned engine mount to reduce vibration. In 2012 the Bison remained in production alongside the Phase II and Cosmos Phase III, Phase III, offering a simpler, lighter and less expensive two seater than the newer models.Specifications (Bison)
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