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Wind power

Activities

FPT
Assemble a wind-powered generator using a stand holding an electric motor. Fix a pulley to the shaft of the motor. Attach spokes to the pulley. Attach blades (cut from card or plastic sheet) to the spokes, and connect the motor to a multimeter.

Place an electric fan in front of the assembly and find the best position. Then experiment with different shapes and angles of blades to get the highest output from the generator.

Product Analysis
Carry out a web search to find information about small wind machines that might be used on a farm or a boat to charge up a battery. Choose two or three that you find interesting and print out a picture or diagram of each. Paste these to a sheet of A3 paper. Annotate the pictures to show how they work and label any special features.

DMA
Design and make a wind-powered system to recharge batteries in your school. This could be linked to a mini-enterprise project, with the design and technology department buying and selling rechargeable batteries and offering a recharging service.

Or

Design and make a wind-powered system to supply electricity to a small part of your school (such as the bicycle sheds).




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Practical Action - Technology challenging povertyEuropean Commission - Department for International Development

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