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Old 02-23-2016, 12:43 PM   #1
Capt Kangeroo
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City: Great Lakes
Country: Canada
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Join Date: Jan 2013
Posts: 437
24 volt or 12 volt

I was given a Robertson autopilot pump that I intend to rebuild as a spare however it is missing the data plate. I found a pic on google which indicated it was a Robertson / Simrad RPU series but noted it was offered in two voltages 24 & 12. I tried matching the tech drawings on the various RPU models to what I have but this was inconclusive.

I have not powered it on 12V yet but assuming a 24V motor will even run on 12V I do not know what speed it is supposed to spin so this will not likely tell me much.

Anyone here aware of any tricks to figure out the voltage of DC motors? All thoughts welcomed.
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