Construye un aerogenerador por 30$ con piezas de bicicleta y piezas de aluminio desechadas

http://makezine.com/2015/11/20/this-30-wind-turbine-is-made-from-bike-parts-and-discarded-aluminum/

Editorial note: This is one of the many cool projects to come out of the POC21 conference where 100 eco- hackers gathered in a french castle to brainstorm ways to improve the world. What do you get when you combine new research, a scrappy attitude, and the desire to create free and clean renewable energy?