Good album! In other news, I've been constructing the turbine itself! The first one is a HAWT with three blades. They are each flat boards attached to the main shaft at an angle so that when the wind hits them they turn from drag. I have also cut out pieces for a 'lift turbine' which uses an airfoil to get the tip speed much faster than the airspeed. This one will take a bit more work since I have to shape them just right.
The prop is mounted directly to a fan motor for now, which is taped to a board. It's very wobbly and wouldn't last ten minutes in any sort of "weather." The board that it is taped to will hopefully swivel on something eventually, provided I get some sort of bearings on it. For now the tail is rather useless, but it does have one.
I've got plans floating around in the back of my head to create a VAWT too. Might be about time to dust off the table saw...
Tuesday, April 22, 2008
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