The single seat Pterodactyl Ascender was developed in the late 1970s by Jack McCornack in California, from the rigid wing Manta Fledge hang glider via the Fledgeling ultralight as I have detailed in a previous post..
The specifications for the basic Ascender were: wingspan 33 feet (10.06 metres) although some versions had shorter wings, length 16 feet 8 inches (5.08 metres), wing area 16.07 square metres, empty weight around 235 pounds (106 Kg) and MAUW 535 pounds (232 Kg). The cruising speed was 45 mph and the stall speed was around 25 mph. The usual engine was a 2 cylinder 2 stroke geared (2:1) Cuyuna 430R which produced around 35 HP.
Pterodactyl Ascenders were initially registered here at a fast rate. After ZK-ESS in December 1981, 16 more were registered in 1982, as follows: (I have added photos where we have them - if blog readers have any more photos of Pterodactyls please send them in).
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