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Old 01-15-09, 11:59 AM   #11
MetroMPG
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Join Date: Aug 2008
Location: 1000 Islands region, Ontario, Canada
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Default Am I going to melt this little motor/generator?

A couple of people have expressed doubt about the suitability of my little motor/generator. I have to admit, I decided to use it based on a W.A.G. of its specs. Am I'm going to burn it out?

I just tested the blower in my car (it's the same size motor I pulled from the older - same - car). On the highest setting, it pulled 9.1 amps @ 12.5 volts or 113.75 watts (car not running).

That's great, since that must be its continuous "rating".

How does that measure against the amount of power I can transmit through it? Well, based solely on remembering the readouts on the stationary bikes at the Y, 100 watts is a light-moderate amount of effort. Sustain that long enough and you'll break a sweat.

Of course it's possible to put out peaks of much more than 100w, but I'm not going to be riding this thing for long periods or doing sprints on it.

So I'm thinking it's going to be just fine.

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