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using an old car alternator for ENERGY!

September 3, 2011

SWEATING FOR POPCORN!

normally for a bike generator DC permanent magnet motors are used that is quite expensive. An old car alternator is much cheaper option. Here is my first try for powering a lamp (sorry for a bit shaky video).

alternator hooked up to a bike wheel

The difference is alternator needs to see 12V for starting up because it has not magnets inside.

Here is my wiring up:

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2 Comments leave one →
  1. Dylan permalink
    February 27, 2012 11:52 pm

    how did you wire the alternator up? did you just simply go from alternator to inverter to the bulb?

  2. varvarag permalink*
    February 28, 2012 10:29 am

    Unfortunately it is not so easy. wiring depends a lot on the model of alternator. i recommend to use the one with 3 pins. i will add a photo to the post that you can see my connections. i hope it helps.
    PS. dont forget to add external power source of 12v! otherwise your alternator wont start up.

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