Feb 12:
Find out what the requirements of a mini wind turbine which will generate power to charge mobile phones: 8The turbine must be able to generate at least 2.5 Watt-hours of charge over 1 hour which can be stored in the internal battery and supplied to USB devices. 8The turbine must operate indefinitely on wind energy. 8The turbine must be low-cost, ideally under $50. 8The turbine must be portable and easy to mount. Click on Reports for a detailed report