Hello All, I am a new member, but I have enjoyed reading your group for a while now. I have a question. Has anyone explored the use of boat propellers as runners in a propeller turbine? I have read about supposedly successful turbines in third world apps where the runner was made up of flat steel blades. It seems like the blade profile of boat propellers would be more efficient. They are certainly easy obtain. Secondly, if there is experience out there, how would one relate prop pitch to the conditions; ie. head and flow? Thanks, Martin
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