27 Jan '15, 6pm

Retrotechtacular: The Gossamer Condor

Retrotechtacular: The Gossamer Condor

For centuries, human-powered flight eluded mankind. Many thought it was just an impossible dream. But several great inventions have been born from competition. Challenge man to do something extraordinary, offer him a handsome cash incentive, and he may surprise you . In 1959, London’s Aeronautical Society established the Kremer Prize in search of human-powered flight. The rules of the Kremer Prize are simple: a human-powered plane must take off by itself and climb to an altitude of ten feet. The plane must make a complete, 180° left turn, travel to a marker one-half mile away, and execute a 180° right turn. Finally, it must clear the same ten-foot marker. While many tried to design crafts that realized this dream, man is, at his strongest, a weak engine capable of about half a horsepower on a good day. By 1973, no one had claimed the Kremer Prize, and the incentive was rai...

Full article: http://hackaday.com/2015/01/27/retrotechtacular-the-gossa...

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Retrotechtacular: The Sylvania Tube Crusher

Retrotechtacular: The Sylvania Tube Crusher

hackaday.com 20 Jan '15, 6pm

This week, we’re switching off the ‘Tube and taking a field trip to Emporium, Pennsylvania, home of the Sylvania vacuum tu...