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Posted by Jim on December 17, 2007, 5:16 pm
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> JERD wrote:
>
>> I have a rotating roof vent that spins it's heart out day and night and
>> it strikes me this is energy going to waste!
>>
>> Can someone please suggest a suitable DC permanent magnet motor, eg from
>> large tape deck, commercial surplus equipment etc. that I can connect to
>> this vent and get some free electricity?
>>
>> Will just be part of the big picture and I don't like seeing energy going
>> to waste.
>>
>> Even if I get 100 mA out of it, as a hobbyist it is worth doing.
>>
>> JERD
>>
>>
> Your best bet might be an old bicycle headlight generator.
Those used soooooooo much torque it would stop the turbine dead, unless
a tornado was in the neighborhood.....
>
> --
> The e-mail address in our reply-to line is reversed in an attempt to
> minimize spam. Our true address is of the form che...@prodigy.net.
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