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Project title At what angle should the blades of a wind turbine be positioned? Featured science projectScience project video
Difficulty Level High school
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Description
This science fair project attempts to ascertain the optimal angle at which the blades of a wind turbine should be positioned in order to generate maximum power.  

Instructions preview
1. The independent variable of this experiment is the angle at which the blades are mounted. . The dependent variable is the amount of voltage generated by the wind turbines. This is measured by using the digital voltmeter. The constants or control variables are the wind speed, the weight of the wooden block and the size of the blades. 2. Using a hacksaw, slots at 0, 15, 30, 45, 60, 75 and 90 degrees are cut out of the 7 cubic wooden blocks to fit in the fan blades as shown in figure 1a below. 3. An electric hand .....
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