Thursday, July 29, 2021

Re: [electricboats] Electric Drive Installation - Throttle Position

I got some photos of the setup I cobbled together to connect the Curtis throttle unit to the Morse cable and to the pedestal lever.  Works pretty well but the feel for the detent on the Curtis is a bit vague.  I may add a more robust detent to the other side of the Curtis.  Not sure.

Also, I had the chance to motor out through some 2-4' chop right into 12-15 kts true wind.  I was maintaining 5-1/2 kts at 3.5 to 5 kW.  There was no question of the power being adequate and there was plenty of reserve.  I should have logged some data for more meaningful numbers.  Next time.   And while there was plenty of power for this it would only hold up for a couple of hours like that.   The diesel would have done it all day of course.  So would the diesel genset I have in mind.  The little Honda type generator would have been able to supplement and extend the range but doing it all day would not be an option especially of you needed to refill the generator with gasoline in that chop.  Might be manageable with propane but that will be a little less power.  Then again, slogging into chop all day is something I would avoid regardless of the capacity to do it.  But if you had to (and sometimes you do?) the inboard diesel would still reign for that I think.   Then the electric drive with inboard diesel genset.   Or you could triple battery capacity.  But I think a genset might be more practical, flexible and maybe cost competitive for a DIY. 



Dan Pfeiffer

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