![]() Ĭalifornia inventor Jack McCornack took the Fledge IIB wing and designed a tubular assembly that replaced the Fledge's hang glider seat with a reclined pilot seat, wheeled landing gear and engine mount for a pusher powerplant. The Fledge series were considered to be high performance hang gliders during their production run in the 1970s. The glider's swept wing then translated the yaw into a matched rolling motion. The tip rudders were controlled by control-bar sliders which deployed one tip rudder at a time to create a yaw. These designs all featured weight-shift pitch control and tip-rudders for yaw and roll control. The Fledge series were of a "rigid-wing" type, as opposed to the predominantly "flex-wing" hang glider designs then common. The Fledge was designed by Klaus Hill and produced by Manta Products in a series that ran from the Fledge I to the IV, with numerous sub models designated by letters. ![]() The Pterodactyl designs have their roots in the Manta Fledge hang gliders of the 1970s. With a total production of 1,396 aircraft between 19 plus limited production today as the DFE Ascender III series, the aircraft has been one of the most influential designs in ultralight aviation. designed and built ultralight aircraft that were sold in kit form between 19 under Pterodactyl Limited and is currently being sold by DFE Ultralights. The Pterodactyl Ascender is a family of U.S. The aircraft in the background is a Quad City Challenger II. Newly completed DFE Ascender III-C prior to first flight, 2004 DFE Ascender III-C in front of its hangar. Pterodactyl Ascender II+2 Fly camping with a DFE Ascender III-C two seater. The powerplant is a Rotax 503 50 hp (37 kW) two stroke. Jack McCornack flying the Pterodactyl Ascender II in a zoom An Ascender II+2 two seater.
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