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Perlan glider sets altitude record for unpowered flight Think gliders can't fly as high as their powered counterparts? The Perlan Project would beg to differ. |
by via Barbara Horton's Channel - Google+ Posts
Wednesday, September 6, 2017
Perlan glider sets altitude record for unpowered flight
Perlan glider sets altitude record for unpowered flight
by via Barbara Horton's Channel - Google+ Posts
by via Barbara Horton's Channel - Google+ Posts
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