Testing a homemade vertical axis wind turbine in a gusty wind. The turbine is made from heat-flattened PVC piping, and two bicycle rims. The motor was taken from a kitchen stove-top extraction fan, and is not yet mounted, so its generation potential is unknown. To view detailed pictures of the build process visit: africa-renewable.blogspot.com SketchUp model of the design: africa-renewable.blogspot.com

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2 MAVIC REFLEX CD BICYCLE RIMS TUBULAR 32 HOLE 700c BRAND NEW    US $160.07

PEDEGO ELECTRIC CRUISER BICYCLE BIKE ORANGE FRAME ORANGE RIMS WHITE WALL TIRES    US $1,795.00

PEDEGO ELECTRIC CRUISER BICYCLE BIKE BURGUNDY FRAME BLACK RIMSWHITE WALL TIRES    US $1,795.00

Here are some items you might buy on Ebay auctions:

Bicycle Bike 700 X 38 2 Tire 2 Tube 2 Rim Strip 700x38

US $34.30 End Date: Friday Feb-24-2012 7:28:47 PST Buy It Now for only: US $34.30 Buy it now | Add to watch list

Bicycle Bike 700 X 38C 2 Tire Tube Rim Strip 700x38C

US $34.30 End Date: Friday Feb-24-2012 7:45:59 PST Buy It Now for only: US $34.30 Buy it now | Add to watch list

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Bicycle Research Nipple Driver for Standard Rims    US $47.91

ALEX RIMS MX18 20 REAR ALUMINUM BMX BICYCLE RIM BIKE PARTS B164    US $19.99

BC 306PM Mens 26 3 Speed PREMIUM Beach Cruiser Bicycle Flat Black Copper Rims    US $289.95