how can i build a small efficient windmill generator?

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windmill generator
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Question by Jake M: how can i build a small efficient windmill generator?
I want to build a small windmill generator for my tree house that will produce enough power for a light bulb. i was wondering what would produce more power, a generator with alot of copper coils, or more magnets.and other advice would be very helpful
also i want to be able to make it mostley from scratch.

What do you think? Answer below!

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2 Responses to how can i build a small efficient windmill generator?

  1. Efficiency is not really your aim, since it’s just for a treehouse. Try using an extra window fan as your generator base unit.

    rathhial
    May 28, 2011 at 3:03 am
    Reply

  2. Use a prep-built motor as a generator.

    A good AC motor, or a brushless DC motor would work well. You would then want to look up information about “rectifiers” as the electricity will come out doing AC.

    A regular DC motor will work, but it won’t be as efficient. (But it will be easier to work with, because you won’t need the rectifier.)

    Good project and great idea. I like this!

    smart guy
    May 28, 2011 at 3:55 am
    Reply

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