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The Screaming Vortex: Fan - Powered Vehicle
Prepare a Bottom Bracket without a Lathe
$100 Hardware Store Sailboat
Making Trike and Quadcycle Hub Flanges Without a Lathe
Bend Metal Without Expensive Tools
Removing Rust with Citric Acid
Rubber Band Helicopters
Duct Tape/Bamboo/Drop Cloth 'WingKite'
A bike for the desert and for the water
The Whittaker paddle wheel
Teardrop Trailer Plans : How to Build a Cheap Camper