Hey Rob,
The dinghy also sounds intriguing... do you have a price/make/model/how to buy one to share with us?
Sorry.. can't answer your questions, but I am sure that some of the regulars certainly can.
My best,
Bill
--- In electricboats@yahoogroups.com, "rob_linda_2000" <rob_linda_2000@...> wrote:
>
> Since liveaboards and cruisers anchored here in the lagoon have gotten used to seeing me move around in all weather in my solar powered sailing dinghy "Big Oil", without ever having to buy gas, I do a lot of explaining (preaching),answering questions etc.
> So I got an invitation to assist in the design and electrifying of a planing dinghy. Since I was impressed with the performance/weight of said dinghy, I accepted the invitation and would like ideas/comments/etc from this group.
> Dinghy:
> 16 Feet, made from some high tech foam, so light, that the guy has to BALLAST it. Presently it has a 15 HP in the back and if you open the throttle halfway, it jumps straight on the plane and remains planing throttled back to about half that.
> Range:
> It will only serves as ship to shore tender, 2 15min trips and back at most per day (between charges), so design is for 1 hour usage at minimum planing speed
> Motor;
> DIY outboard conversion using 48V ETEK or simular
> Batteries:
> Lithium 130Ah (for now)
> Charging from solar panels/generator on mother ship
> Question:
> We're trying to establish lowest RPM for planing with the 15HP and needed RPM for planing threshold, but still looking for right handheld tachometer.Any ideas out there, how RPM's of typical 2cyl outboard compares to ETEK/MARS at 48V
> Other question:
> We will be looking for 48V solar controller for lithium. Any suggestions?
> Any feedback is welcome
> Thank you
>
> Rob on Linda
>
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