Solar Challenger
| Solar Challenger | |
|---|---|
 |
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| A drawing of the Solar Challenger | |
| Role | Experimental aircraft |
| National origin | United States |
| Manufacturer | AeroVironment |
| Designer | Paul MacCready |
| First flight | 6 November 1980 |
| Status | Museum piece |
| Number built | 1 |
| Developed from | Gossamer Penguin |
The Solar Challenger was a solar-powered electric aircraft designed by Paul MacCready's AeroVironment. The aircraft was designed as an improvement on the Gossamer Penguin, which in turn was a solar-powered variant of the human-powered Gossamer Albatross. It was powered entirely by the photovoltaic cells on its wing and stabilizer, without even reserve batteries, and was the first such craft capable of long-distance flight. In 1981, it successfully completed a 163-mile (262 km) demonstration flight from France to England.
The Solar Challenger was designed by a team led by Paul MacCready as a more airworthy improvement on the Gossamer Penguin, directly incorporating lessons learned from flight testing the earlier aircraft. As with the Gossamer Penguin, construction was sponsored by DuPont in exchange for publicity for the company's patented materials incorporated in the design. AstroFlight, Inc. supplied the motors and solar panels, designed by Robert Boucher. The plane's wings carried 16,128 solar cells yielding a maximum solar power of 3,800 watts. It was flight tested in Western USA in winter 1980-1981.
On July 7, 1981, the aircraft flew 163 miles from Pontoise – Cormeilles Aerodrome, north of Paris, France to Manston Royal Air Force Base in Manston, United Kingdom, staying aloft 5 hours and 23 minutes, with pilot Stephen Ptacek at the controls. Currently the plane is owned by the Smithsonian Institution's Air and Space Museum.
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