Determine if multiple rotors will increase the torque of a horizontal axis windmill

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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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