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Experimental H rotor vertical axis wind turbine

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Small vertical axis wind turbine (VAWT) H rotor.This is a Darrius lift type turbine. The blades are made from wood about 60cm (24inch) long and 6.5cm (2.5 inch) wide planed into a symmetrical airfoil section 1.2 cm thick (18%) . It drives a small home made axial flux generator. This was not really very successful. While it is rotating pretty fast in the video the narrow blades (low solidity) and relatively high inertia meant it was very slow to accelerate in the gusts and would produce very little power compared to similar designs. More information at http://www.windandwet.com/windturbine/vawt1/hrotor1.php
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