Subject: How big would blades on a homemade windmill have to be to power a 1.5V lamp
Date: Mon May 26 13:14:45 2003
Posted by Erik
Grade level: 10-12
School: Copenhagen International School
City: Copenhagen State/Province: Sjślland
Area of science: Physics
I plan to make a wind mill for a school project and am wondering if there is a
formula to calculate the size the blades would have to be to power a 1.5V lamp
if the average windspeed is about 15km/h.
Re: How big would blades on a homemade windmill have to be to power a 1.5V lamp
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