Effect of Blade Length on Electrical Output of a Windmill?

Description: A simple windmill was built and connected to a generator. The manipulated variable was the length of the blades; output voltage was measured accordingly with a voltmeter.

Links:
http://www.virtualsciencefair.org/2013/hedg13j
http://www.selah.k12.wa.us/SOAR/SciProj2002/EthanB.html
http://www.selah.k12.wa.us/MS/SciProj98/8TH/EricJ/WINDMILL.HTML
http://www.selah.k12.wa.us/SOAR/SciProj2002/ErikM.html
http://www.selah.k12.wa.us/SOAR/SciProj2000/MikeE.html
http://www.selah.k12.wa.us/SOAR/SciProj99/MikeESciProj.html
http://www.selah.k12.wa.us/SOAR/SciProj2003/KaylynF.html
http://www.selah.k12.wa.us/SOAR/SciProj2000/JohnH.html
http://www.selah.k12.wa.us/SOAR/SciProj2000/AshleighB.html

Short Background

For More Information: Wind Turbine Design

Useful Links

R=Reference

Science Fair Projects Resources R

Solar Energy (Cells & Panels) Resources R

Citation Guides, Style Manuals, Reference R

Electrical Safety R R

The Solar Car Book
A complete kit for making a cool solar racecar.
Everything is included: wheels, axles, motors, wires and a genuine one-volt solar cell.