Starter motor kw ratings

Submitted: Saturday, Jun 13, 2009 at 20:49
ThreadID: 69785 Views:2015 Replies:2 FollowUps:2
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Is it a measure of torque put out by the starter or the amount of power of used to run it.
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Reply By: Geoff (Newcastle, NSW) - Saturday, Jun 13, 2009 at 21:19

Saturday, Jun 13, 2009 at 21:19
KW is a measure of power, not torque.

It could in the case of a starter motor be the measure of electrical power put into it or the measure of mechanical power extracted from it. Both can be measured in KiloWatts.

Torque is measured in Nm or Newton Meters. In the pre metric days ft-lbs or foot pounds.

Geoff
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Follow Up By: V8 Troopie - Sunday, Jun 14, 2009 at 00:50

Sunday, Jun 14, 2009 at 00:50
I believe electric motors are rated for their output power.
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Follow Up By: Peter_n_Margaret - Sunday, Jun 14, 2009 at 08:04

Sunday, Jun 14, 2009 at 08:04
THey SHOULD be......
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Reply By: Peter_n_Margaret - Sunday, Jun 14, 2009 at 08:03

Sunday, Jun 14, 2009 at 08:03
If you are the SELLER you will quote the INPUT power.
If you are the BUYER you will want to know the OUTPUT power.
The INPUT might be DOUBLE the OUTPUT for an inefficient motor.....just check the cheap Chinese compressors.....this is what they do.

Cheers,
Peter
OKA196 Motorhome
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