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Tips for Designing and Building a Wind Generator ● ● ● Read the Renewable energy FAQs on the Otherpower discussion board, and Search the Otherpower.com discussion board. It's highly active and populated by windpower experts and hobbyists worldwide. If you still can't find and answer, by all means please join the board and ask your question there! Join the AWEA mailing list for more discussion with wind power experts worldwide. Explore other wind power websites from worldwide on our Links page. HOME PRODUCTS DISCUSSION BOARD DAILY NEWS CONSERVATION BATTERIES SUN WIND HYDRO FOSSIL FUELS EXPERIMENTS ORDER NOW! WATER PUMPING POWER SYSTEMS EFFICIENT LIGHTING LINKS Questions or comments? Click here to send us an email at our new email address.! ©2000-2004 by FORCEFIELD This page last modified 1/5/2004 http://www.otherpower.com/otherpower_wind_tips.html (13 of 13) [8/23/2004 9:43:17 PM]
Alternator and Generator Comparison for Wind Power Alternator and Generator Comparison for Wind Power | Vehicle Alternators | Homemade PM Alternators | PM Converted Induction Motors | DC Generators | DC Brushless PM Motors | Induction Motors | Para Español, traducción de Julio Andrade. Vehicle Alternators ● Advantages: cheap, easy to find, pre-assembled. ● Disadvantages: high rpms required, gears or pulleys needed, low power output, slip rings need maintenance. ● Suitability for Wind Power: POOR The biggest problem with using car alternators for wind power is that they are designed to rotate at too high a speed to be practical in wind power applications without significant modifications. Even a small, seemingly fast windmill might do most of its work at 600 rpm, not nearly fast enough for a car or truck alternator. This means that gearing up with pulleys or other methods is needed, so lots of power is lost to friction--a big problem with wind or water power, but not a problem with a gasoline engine. Check out how useful car alternators can be for building a small gas-powered charger HERE. A standard car or truck alternator is electromagnetic-- meaning that some of the electricity produced by the unit must be used internally and sent to the armature through brushes and slip rings to make the magnetic field. Alternators that use electricity to generate the field current are less efficient and more complicated. They are quite easy to regulate, however, since the magnetic flux inside can be changed by adjusting the field power. Also, the brushes and slip rings wear out, requiring more maintenance. Car and truck alternators can also be rewound to produce power at lower speeds. This is done by replacing the existing stator windings with more turns of smaller gauge wire. This project is not for the faint of heart, but check our PRODUCTS page for the inexpensive booklet Alternator Secrets by Thomas Lindsay if you are interested. The booklet is invaluable for any alternator experimentor! Also, some alternator/electric motor shops may have the knowledge to do this for you. http://www.otherpower.com/otherpower_wind_alternators.html (1 of 6) [8/23/2004 9:43:19 PM]
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Page 3 and 4: Wind Power 5-10-2004 -- The Wind Fa
Page 5 and 6: Wind Power 400-watt Volvo Windmill
Page 7 and 8: Wind Power logging anemometer befor
Page 9 and 10: Tips for Designing and Building a W
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Page 35 and 36: Wind Generator Towers WATER PUMPING
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Wooden wind generator I dragged a m
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Homebrew 700 watt windmill We made
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Volvo 240 windmill Another homebrew
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What is the WindTree® Turbine? Wha
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What is the WindTree® Turbine? 2.
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Welcome to OTHERPOWER.COM Scotty's
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Welcome to OTHERPOWER.COM OUR NEWES
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FORCEFIELD HOME | Return to store f
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Batteries "FEW BATTERIES DIE A NATU
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Water Power about 3 feet of head av
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gas INTERNAL COMBUSTION Alternative
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gas Click to read about our homebui
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Experiments Homemade Waterwheel Bui
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Power Systems This page is still in
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Efficient Lighting Efficient Lighti
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Contact Otherpower.com Contact Othe
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About Us About Us Otherpower.com is
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About Us Maya is our President of R
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About Us http://www.otherpower.com/
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FORCEFIELD casting a stator, fabric
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Wind Energy Resource Atlas of the U
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Homemade Easter Egg Anemometer Home
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DIY Rotorvane Anemometer REALTIME C
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Low RPM Disk Alternator Parts/suppl
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3 Phase Basics Understanding 3 phas
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FORCEFIELD distance before you real
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Carving Wooden Blades Carving Woode
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Index http://www.windstuffnow.com/
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Home Power Magazine - Your Small Sc
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• Ventajas: Baratos, fáciles de
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Witte charger Witte engine battery
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Witte charger Since building this g
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Motor Alternator Converting common
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Motor Alternator The Armature The a
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Motor Alternator http://www.otherpo
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Tape Drive Motors Surplus Sales of
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En ésta fotografía puede apreciar
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Nuestra máquina casi lista. Sólo
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amperios. A 27 KPH genera 15 amperi
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Así es como nuestro nuevo generado
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Home Page More Neodymium magnets fo
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Axial flux windmill plans for sale
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he initial goal of our project was
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Wind Power Design We had successful
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Wind Power forced it through the ho
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Wind Power Almost ready—the woode
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Wind Power The next generation—th
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Adobe Reader - Download Company ●
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GENERADOR DE VIENTO HECHO DE MADERA
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El estator (La pieza sobre la que s
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Trate de hacer muy compacto el camp
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Debemos recordar que el inducido es
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Small Wind Systems Site: Table of C
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Bergey Windpower Co., the world's l
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Southwest Windpower - Renewable Ene
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Products main page To sum it up:
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Home Contact Information - Drop in
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Washtub Bass ● ● ● ● After
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Washtub Bass 1965 - Jug Band Music
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Large 15' diameter wind turbine Her
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Large 15' diameter wind turbine The
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CONSTRUCCION DE UNA TURBINA DE 10 P
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mide 7”, las orillas del estator
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La base de la rueda aún tenía los
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Esta fotografía muestra el rotor e
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Como tenemos nueve bobinas y tratam
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Ahora estamos preparando el segundo
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Una vez que las barras han quedado
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Retiramos el rotor frontal. No debe
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En la fotografía anterior estamos
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Aquí se ven los soportes y la vele
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Esta es la última oportunidad que
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Empezamos con tablas de 5 pies de l
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Ni una sierra, martillo, formón ni
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No es bueno dejarse llevar por la p
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Este alternador será instalado en
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Aquí podemos ver la torre en la me
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Tenemos tres cables con las tres fa
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Sitio de Hugh Piggott Nuestra máqu
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Blade design Step 2: mark width of
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Hydro Electric Experiment Homebrew
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Hydro Electric Experiment Back to w
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Hydro Electric Experiment Another s
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Hydro Electric Experiment This is S
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Hydro Electric Experiment Here it i
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Hydro Electric Experiment http://ww
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Inverters http://www.otherpower.com
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Dankoff Solar - solar water power p
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PIEZAS NECESARIAS • Un eje de ½
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Una recomendación final: Dele vari
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Los imanes sobresalen aproximadamen
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El primer paso al fijar las bobinas
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La resina hace que el alternador qu
Page 1049:
El alternador no cabe en nuestro to
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Solamente con el ánimo de experime
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Sistema Solar de Bombeo de Agua de
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HOME CONSERVACION HIDRO BOMBEO DE A
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555 Timer 555 Tone Generator (8 ohm
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555 Timer The discrete 3 transistor
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555 Timer Photo Electric Street Lig
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