Wacky Windmills!
Question
Which windmill blade design, angled-bladed or curved-bladed, will result in the higher mileage in 1
hour?
HypothesisBased on the research, the
angled-bladed windmill will result in the highest mileage.
Materials-Windmill building materials: Wood, 10 inch tire, screws, metal flashing materials, etc. -fan -hammer, metal flashing snips, drill, etc. -a hallway or other room where a windmill can be tested
Photos
avg. of curved-bladed windmill distance for ten 5-minute trials = 0.14 miles avg. of angled-bladed windmill distance for ten 5-minute trials = 0.13 miles avg. of curved-bladed windmill distance for three 1-hour trials = 1.62 miles avg. of angled-bladed windmill distance for three 1-hour trials = 1.34 miles
Results
Linkshttp://www.africawindmill.org/
http://www.nrcm.org/cool_wind_facts.asp http://en.wikipedia.org/wiki/Vertical_axis_wind_turbine
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