1. Gasiorowicz Tyler Eller Britt Elmore Jonathan French Austin Eldridge

2. Gasiorowicz

3. Overview Uses a fan from a tower fan to turn it’s generator Generator is constructed from wood and has 8 coils around the magnets. Each coil has 800 windings of 34 gauge wire. Total length of wire is 7/10 of a mile

4. Mechanical The Gasiorowicz converts wind energy into rotational energy. At the end of the shaft it turns 8 magnets that are surrounded by 8 coils thus producing electricity.

5. Electrical 34 gauge copper enamel coated wire in the generator. On the shaft are 8 neodymium-iron-boron magnets – Four with the south pole on the convex face Four with the north pole on the convex face. When the shaft turns it will produce AC voltage.

6. Efficiency P = 0.5 x rho x A x Cp x V^3 x Ng x Nb P = 0.5(1.225kg/m^3)(.2288m^2)(1.7m/s)^3 Theoretical P=.6879watts P=Volts x Amps P=(8V)(.01A) Actual P =.08 watts Efficiency = (.08W)/(.6879W) x 100 = 11.62%

7. Summary of Design/Construction issues Bad Bearings Magnets rubbing coils Bad wiring connections between coils Brittle magnets Staying in budget Orienting the airflow for our fan blades

8. Conclusions Generators are a simple idea but complicated to build It is difficult to be efficient For under $40 you can build a windmill that uses renewable energy to power a light bulb