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 ...

‘Wind Turbines” by Oast House Archive Mechanical ... they’re typically used only long enough to install a rotor locking mechanism. Instead of using these brakes to control rotational speed ...

President Donald Trump has signed an executive order temporarily halting offshore wind lease sales in federal waters and ...

Trump temporarily halts offshore wind energy leases and pauses approvals, permits and loans for both offshore and onshore wind.