1. Richard Ammons, Rachel Dunlap, Kayla Hughes, Uchung Whang
Wind-o-nater

2. Generator Design (4) 1x2x5 cm. ceramic magnets (1) 8 cm. nail
(600 ft. ) 30 gauge magnet wire
(1) 8 cm. x 30.4 cm. cardboard strip
(4) strips of duct tape
(1) tie-wrap

3. Windmill Design (1) used box fan blade (1) 3/4 in. hardwood dowel
(1) 5/6 in. PVC pipe
(1) 8 cm. nail
(1) tube of silicone sealant
(2) 24x18 cm. boards cut to size
(1) 3 in. PVC pipe
Miscellaneous duct tape

4. Electrical and Mechanical Aspects
AC current
Magnetic generator
Magnets and magnetic wire completing a circuit
LED light bulb
Blade turning wooden dowel
Wooden dowel turning the magnets in the generator
Wooden dowel rotating in PVC creating friction

5. Efficiency P generated= 2.7Volts
ρ=1.225 kg/m3
V=7.5 m/s
Area= m2
Power=.5(ρ)AV3
η= efficiency =
P generated= 2.7Volts
P wind = (.5)(1.225kg/m3)(0.203m2)(7.5 m/s)3 = 52.4Volts
η= efficiency = (2.7V/52.4V )(100)= 5.16%

6. Design/Construction Issues
Nail in generator would not stay still
Windmill moves when wind speed reaches a certain max
Board support not sturdy enough

7. Conclusions Easy to build Only minor complications Very cost efficient
Surprisingly not as efficient as expected 