Watch the string wind around to see how efficient your wind turbine is. Connect the wiring according to the manufacturer’s instructions, making sure all connections are secure. To assemble the DIY wind turbine generator, begin by reassembling the hub motor and ensuring the rotor and stator are aligned properly. Test your wind turbine using a hair dryer or fan. Secures the generator to the wind turbine tower. If the bulb just glows dimly, it means the turbine is producing less than 1.5 volts. To fully power the bulb, your turbine would need to produce 1.5 volts. With our simple wind turbine, a smaller pinwheel will produce more volts because it can spin faster. The product is one of the best home wind generators available in the market. This home wind turbine is ideal for residential use and works well in areas with low wind speeds. DC motors require at least 10 to 15 times higher rpm to achieve similar power output. Runner Up Tumo-Int 1000W 3Blades Wind Turbine with Wind Boosting Controller (24V) by Tumo-Int. Step motor produces stable voltage even on low rpm (200 rpm), which is a great advantage comparing to DC alternators/motors. Push the wooden skewer through the straw.Īttach the end of a length of string to the wooden skewer using tape and twirl it around. The faster a generator spins, the more volts it will produce. Such construction will simplify wind turbine building and lower the noise produced by the windmill. Using a sharp pencil, poke a hole at the top of the bottle on both sides. Slot all the blades into the round circle.Īttach the circle of card to the wooden skewer with a thumb tack. Look at the curved shape of bird and insect wings to inspire your designs.Ĭut the card into a circle, approximately 5cm in diameter.Ĭut 1cm slits around the circle three times at equal distances. Engineers and inventors look to the living world for design solutions. Using the card, draw and cut three blades approximately 15cm long. What you need recycled bottle, thick wooden skewer, paper drinking straw, thumb tacks, a sharp pencil, cotton or string, sticky tape, scissors, ruler, hair dryer and thick paper or card. How to build a wind turbine by the Australian Museum.
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