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Old Oct 10, 2012, 07:10 AM
flylowfast is offline
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Originally Posted by Plantoflap View Post
I looked at that motor on HK. Since you've had it apart, how many poles, magnets, wire dia and turns, no load current and no load rpm at a measured voltage. I think you said its wound "y" and has 8 ohms res.
I would like to run the numbers and see how efficient it is.
George, see the posts above for some of that data.
I have ordered an rpm meter but it didn't arrive yet, so no rpm data for now.
I'll measure the rpm when it arrives.

For the other data you need see this thread:

Here is some relevant data from the first post:

The original configuration of this motor was a 12 pole stator with 16 magnets wound with 2 strands of 37 gauge with 17 turns (ABC wye)

What software are you using to compute the efficiency ?
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