Experience the ingenuity of a wind-powered Lego gear machine that showcases a range of unconventional gear types never before made by Lego. Powered by a vertical wind turbine, this machine rotates ...

This vertical axis wind turbine (VAWT) uses five 3” PVC pipes cut in half for blades rotating on three kids bicycle wheels to spin an Ametek 38 volt motor or a wind blue alternator.The whole ...