Re: Fan motor


"Baron" <baron.nospam@xxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:f4ur53$opa$1@xxxxxxxxxxx
colin inscribed thus:


"Davou.w" <Davou.w@xxxxxxxxx> wrote in message
news:1181933657.033768.200950@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Just a quick question from someone who is completely electronically
inept.

I want to put together a quick science fair experiment, and I was
wondering if I could use a scrap fan motor in order to generate
electricity?

What I mean to say is, provided I can find a way to turn it (wind
or water power) is it difficult to coax a recycled motor component
into generating electricity?


a 12vdc fan from a PC would need some modifying,
youd probably need to take it apart and replace the electroncs with
a rectifier.

other types of fans such as AC mains types are induction type wich
are not very convenient generators.

Colin =^.^=

You could always pull an old CD Drive apart ! There are at least
three motors in there that will all generate an output voltage if you
spin the shaft.


I assumed he wanted it to have a fan to be able to turn it with the wind,
if not then any brushed dc motor would be easier,
they are so cheap from many hobby shops for models rc, electronics etc,
I gues the one your refering to is a brushed type.

For example I am using a salvaged tray motor as a wind speed
generator ! It will produce nearly three volts on a good day.

so is it any use when theres a power cut or anything ?

Colin =^.^=


.

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