"MIT student Damon Vander Lind wheels his human-powered, propeller-driven 300-rpm tricycle out for a test drive."http://www.popularmechanics.com/home_journal/workshop/4218427.html?series=27
2007-07-08
The Propeller Trike
"MIT student Damon Vander Lind wheels his human-powered, propeller-driven 300-rpm tricycle out for a test drive."http://www.popularmechanics.com/home_journal/workshop/4218427.html?series=27
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