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HOW TO BUILD A CHISPITO WIND GENERATOR

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Wind power is abundant, clean, inexpensive and easy to do. It is our belief that anyone can be in control of where his or her electricity comes from. There is nothing more rewarding and empowering than making a wind powered... See more » Wind power is abundant, clean, inexpensive and easy to do. It is our belief that anyone can be in control of where his or her electricity comes from. There is nothing more rewarding and empowering than making a wind powered generator from scrap materials. Most of the tools and materials in this manual can be found in your local hardware shop or junk pile. We highly recommend you search your local dump and/or junkyards for the materials required. If you live in a city, do a search on freecycle.org for salvaged parts. Safety should be our highest priority. Human life is more important than electricity, so please follow any and every safety guideline you come across. Wind generators can be very dangerous, with fast moving parts, electrical sparks, and violent weather conditions. The Chispito Wind Generator was designed to be simple and efficient with fast and easy construction. There are no limits to what you can do with wind power. For more information and inspiration on wind generator construction, please visit otherpower.com SUPPLIES This manual is based on using a 260 VDC, 5 A continuous duty Treadmill Motor with a 6 inch threaded hub. These motors are available for under from most motor surplus stores. We are getting about 7 amps in a 30 mph wind. In other words, it is a simple, cheap little machine to get you started. You may use any other simple permanent magnet DC motor that returns at least 1 V for every 25 rpm and can handle upwards of 10 amps. If you do, there will be certain changes to this supply list (for example, you will have to find a hub - a circular saw blade with a 5/8" shaft adaptor will work). BUY THE HARD TO FIND PARTS HERE Tools * Drill * Drill Bits (7/32", ¼", 5/16") * Jigsaw with a metal blade * Pipe Wrench * Flat Head Screwdriver * Crescent Wrench * Vise and/or Clamp * Wire Strippers * Tape Measure * Marker Pen * Compass + protractor * ¼" #20 Thread Tapping Set * An extra person helps a lot! Mount * 36" of 1" Square Tubing * 2" Floor Flange * 2" X 4" Nipple * 3 X 3/4" Self-tapping Screws NOTE: if you have access to a welder, you can weld a 4” section of 2” pipe onto your square tubing instead of using the flange, nipple and sheet metal screws. Motor * 260 VDC, 5 A continuous duty Treadmill Motor with a 6 inch threaded hub * 30 - 50 Amp Blocking Diode (one-way) * 2 x 5/16” x ¾” Motor Bolts * 3" X 11" PVC Pipe Tail * 1 sqft (approx) lightweight material (metal) * 2 X ¾" Self-tapping Screws Blades * 24" length of 8" PVC Pipe (if it is UV resistant, you will not need to paint it) * 6 X ¼" X 20 Bolts * 9 x ¼" washers * 3 sheets A4 paper and tape PREPARATION Cutting Blades - makes 9 blades (or 3 blade sets) and a thin waste strip. * Place the 24" Length of PVC pipe and square tubing (or other straight edge) side by side on a flat surface. Push the pipe tight against the tubing and mark the line where they touch. This is Line A. * Make a mark near each end of Line A, 23" apart. * Tape 3 sheets of A4 paper together, so that they form a long, completely straight piece of paper. Wrap this around the section of pipe at each of the two the marks you just made, one then the other. Make sure the short side of the paper is straight along Line A and the paper is straight against itself where it overlaps. Mark a line along the edge of the paper at each end. Call one Line B and the other Line C. * Start where Line A intersects Line B. Going left around Line B, make a mark at every 145 mm. The last section should be about 115 mm. * Start where Line A intersects Line C. Going right around Line C, make a mark at every 145 mm. The last section should be about 115 mm. * Mark each line using a straight edge. * Cut along these lines, using the jigsaw, so that you have 4 strips of 145 mm and one strip about 115 mm. * Take each strip and place them with the inside of the pipe facing down. * Make a mark at one end of each strip 115 mm from the left edge. * Make a mark at the other end of each strip 30 mm from the left edge. * Mark and cut these lines, using the jigsaw. * Place each blade with the inside of the pipe facing See less »

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HOW TO BUILD A CHISPITO WIND GENERATOR

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