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Two powered paragliders in flight Powered paraglider at a Kanagawa beach in Japan, 2022. Powered paragliding, also known as paramotoring or PPG, is a form of ultralight aviation where the pilot wears a back-pack motor (a paramotor) which provides enough thrust to take off using a paraglider.
'Dr. George A. Spratt towed his hang glider on floats using a motorboat. USA, 1929 First towing tests of NASA's Paresev glider (Para Wing Research Vehicle), March 1962. Richard Miller flying his 'Bamboo Butterfly' hang glider. Vista Del Mar California, 1966. 'Standard' flexible-wing hang glider, based on variants of the Rogallo-wing aircraft, 1975.
Once at full height (towing can launch pilots up to 3,000 feet (910 m) altitude), the pilot pulls a release cord, and the towline falls away. This requires separate training, as flying on a winch has quite different characteristics from free flying. There are two major ways to tow: pay-in and pay-out towing.
PA-25-235 Pawnee B towing a glider The Swift Aerobatic Display Team at Kemble Battle of Britain Weekend 2009. A Swift glider is performing continuous full rolls while being towed by a Pawnee PA-25-235 Pawnee B Fitted with a 235 hp (175 kW) Lycoming O-540-B2B5 six-cylinder engine. The Pawnee B featured a larger hopper and an increased payload of ...
The PZL-104 was designed for robust use in sports and civil aviation, with a strong emphasis on glider-towing and parachute training. On 24 April 1962, the prototype of the initial Wilga Mark 1 variant made the type's first flight, powered by an existing Polish 220 hp (160 kW) horizontally-opposed engine, the PZL WN-6RB. The subsequent flight ...
The power units can be internal combustion engines, electrical motors, or retractable jet engines. Retractable propellers are fitted to high performance sailplanes, though in another category, called touring motor gliders, non-retractable propellers are used. Some powered gliders are "self launching", which makes the glider independent of a tow ...
The Dragonfly achieves this goal, with a power-off stall speed of 17 kn (31 km/h) by using a large area wing of 170 square feet (16 m 2) in conjunction with Junkers-style flaperons. The takeoff distance required to clear a 49 ft (15 m) high obstacle is 492 ft (150 m) while flying solo and 984 ft (300 m) at maximum weight, on level short dry ...
In February 2008, The Boeing Fuel Cell Demonstrator used a Diamond HK36 Super Dimona motor glider airframe and achieved straight-level flight on a manned mission powered by a hydrogen fuel cell. The FCD (Fuel Cell Demonstrator) was a project led by Boeing that used a Diamond HK36 Super Dimona motor glider as a testbed for a fuel cell-powered ...