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Unread 16-01-2004, 14:10
Tallman Tallman is offline
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Need CIM Motor Specifications

Anybody have the specifications of the CIM motor.

Torque/HP/KW
RPM
Motor Amps
Motor Curves
Wiring Information

Thanks in Advance
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Unread 16-01-2004, 14:15
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Re: Need CIM Motor Specifications

This might not have all of the information that you need, but it should be helpful, nonetheless.

http://www2.usfirst.org/2003comp/Specs/Chiaphua.pdf
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Unread 16-01-2004, 14:21
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Re: Need CIM Motor Specifications

i dont know how much this is going to help you... but this is what i got for you... if i got anything wrong there i am sorry...


CIM Motor:

Stall Torque: 2.22 N-m … 19.472 lbs/inch
Stall Current: 107 A
RPM: 5,500
Free Current: 2.3 A
Peak Power: 321 W
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Unread 16-01-2004, 17:09
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Re: Need CIM Motor Specifications

Quote:
Originally Posted by expiredzbyte
CIM Motor:

Stall Torque: 2.22 N-m … 19.472 lbs/inch
Stall Current: 107 A
RPM: 5,500
Free Current: 2.3 A
Peak Power: 321 W
This is what we are being told, from the motor's specifications. This is what we've all be designing to over the past 2 years since we started getting these motors in 2002.

But...

I don't believe them. Seriously. This thing seems to spin at more rpm than 5,500 at free speed. I'd bet a Coke that the free speed is more like 6,000 rpm (Mt. Dew sucks - there, I said it). Last year, there were some people who tested this motor and showed different numbers than what it is rated, but I can't remember who did it nor what their results were.

We put one on a gearbox a few weeks ago and the output speed of the gearbox seemed higher than the calculated speed if there were no efficiency losses. While I have gotten better at designing gearboxes over the past couple of years, I seriously doubt if I have found a way to increase the power of these motors through super-efficient gear reduction.

If someone has the tools to test this thing, will you post your results?

Andy B.
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