Sunday, June 2, 2013

[Electric Boats] Dirty prop

 

My prop is currently got some critters attached. I notice that instead of 20 amps giving me 3.6 knots I now need 25 amps to get 3 knots. This makes sence to me. The thing I do not understand is why full throttle now tops out at 45 amps. I get a about 4.8 knots at 65 amps with a clean prop. Should I not be able to hit max draw of 100 amps with the prop like this or at least get the 65 I got before. All at 48 volts. Electric Yacht 100ibl system.
Richard

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