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View Full Version : Improving an Oil drum Savonius


Raymond Shaw
13th July 2015, 03:57
Hello to everyone

Has anyone had any experience of the use of 'flaps' on an oil drum rotor or any sort of savonius??. By this I mean a door that opens on the leading face of the rotor to reduce resistance. My experiments can be seen on youtube under the name of 'bartybollocks'

Ray