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Old May 08, 2012, 07:45 PM
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Canada, ON, Markham
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^^ It's simple, you're wasting your time trying to calculate torque. In no way will this help you decide on a motor for a boat.
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Old Feb 11, 2013, 01:56 PM
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On metric Units it is much more easy:
M = Power in Watts / Rps
Roundings per second.
The result is in Newton times metres (Nm)
Captayne
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Old Feb 12, 2013, 05:44 PM
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United States, NJ, Frenchtown
Joined Mar 2003
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I use a torque measuring tool.

I pinch the motor shaft between 2 fingers tightly.
Then go to WOT . If I smell Bacon Fat it is good.
If I scream loudly. FANTASTIC motor.
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