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Renewable energy science fair project:
Determine if multiple rotors will increase the torque of a horizontal axis windmill.




Science Fair Project Information
Title: Determine if multiple rotors will increase the torque of a horizontal axis windmill
Subject: Renewable Energy
Grade level: Middle School - Grades 7-9
Academic Level: Ordinary
Project Type: Experimental
Cost: Medium
Awards:
1st place, Canada Wide Virtual Science Fair (2003)
1st placeSt, Augustine School Science Fair
Gold Medal, Hamilton-Wentworth Catholic District School Board Fair
Affiliation: Canada Wide Virtual Science Fair (VSF)
Year: 2003
Description: The windmill's torque ( in Newtons) was measured using a spring scale that was connected perpendicularly to the rotating axis by a spooled fishing line. Wind speed was measured with an anemometer and RPM with a digital tachometer.
Link: http://www.odec.ca/projects/2003/walke3d/
Short Background
http://www.projects.juliantrubin.com/science_fair_project/renewableenergy/horizontal_axis_windmill_1.html

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