HEATKEYS

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Flying Machines and Aerial Contrivances Before The Wright Brothers.

Along with being a master artist, Leonardo da Vinci, a Renaissance Man in the truest sense, was also a prolific inventor, conceiving hundreds of inventions far ahead of their time.

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Valuable computer programs for aeronautical engineering. Many programs originally from NASA or USAF. All complete with public domain source code, instructions and sample cases on CD-ROM. New release (version 15.0) available now. $295.

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Rotary Wing Forum - Dedicted to discussion on Gyrocopter & Gyroplanes

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.