Re: [Electric Boats] PMAC gear reduction

 

Chris dont complicate it

get the manufacturers spec sheet

Find out the amps at max efficincy - this will be at a particualr amperage the three are locked together at a given voltage on the same motor.

For the voltage to be used, the recommended or a little more voltage is usually the preferrable range

Then gear to ensure the motor is running at the maximum efficeincy amps/rpm. That way you will have least heating for the power generated.

Nontheless the motor life may benefit from a cooling jacket.

Andrew Gilchrist



On 2/27/2012 2:31 AM, ChristopherH wrote:

 

I understand how to calculate gear reduction for PM DC motors based on the manufacturer stated motor RPM/V X System Volts/desired max prop speed. I'd like to understand how to calculate gear reduction when using a PM AC motor.

Thanks,
Chris

--  AJ Gilchrist Fastelectrics 0419 429 201

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