dynamo (alternator)- energy module

Building a homemade alternator that produces 10 volts 150 mA is a satisfaction. http://www.youtube.com/watch?v=GNR8xGPmUM0
For this print I used other my jobs like winder and coil customized
http://www.thingiverse.com/thing:100648
http://www.thingiverse.com/thing:73915

materials:
- Wire copper coil 0.018
- 2 bearings 4.5/13mm
- Central magnet 30/10
- 4 magnets 25/3
- 2 smaller magnets as terminals