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Humans have been trying to harness the wind for thousands of years. Wind power, the conversion of the wind into a more useful form of energy, is the fastest growing source of electricity in the world. The KidWind Project is an organization dedicated to innovative energy education through the use of some very inspiring kits and models. Bill Rock, teacher and KidWind representative, shares his knowledge and enthusiasm on the subject while demonstrating how to build a wind turbine model using materials you can find in your local hardware store. Materials:PVC pipe 1-inch diameter, 10 feet5 PVC pipe elbows, 1" diameter 1 PVC pipe union 3 PVC pipe Ts, 1 -inch diameter 3 feet thermostat wire, low gauge 2 Alligator clips Three volt DC motor Blade Hub, plastic adjustable (available only through KidWind) Duct tape or electrical tape Balsa wood 3 1/4-inch dowels, 4-inches long
Tools:Multimeter volts/ampsDrill 1/4 -inch drill bit PVC pipe cutter Soldering iron and solder Hot glue gun Ruler Scissors Sandpaper, 100-grit
Directions:
1. Cut PVC pipe to six pieces at 8-inch lengths, one piece at 3-inches, one piece at 30-inches long. 2. Solder thermostat wire to DC motor contact. 3. Tape connections to prevent short. 4. Assemble top of turbine. 5. Run the wires through PVC pipe. 6. Fit motor into PVC pipe union at top of turbine, secure with duct tape. 7. Attach alligator clips to the ends of the thermostat wire at turbine base. 8. Attach blade hub to DC motor shaft. 9. Attach multimeter to alligator clips at base. 10. Test power by spinning hub and checking voltage meter 11. Construct blades, using balsa wood and dowels, with hot glue. 12. Mount blades to hub.
Special Thanks: The Robert Bosch Corporation To learn more about wind power please visit The American Wind Energy Association
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