Hi Michael,
You're not kidding about the strong currents in the Harraseeket. I've sailed in and out of that harbor on only one occasion. I made sure I timed it appropriately.
A 3 blade will increase your thrust; you will notice a marked improvement in reverse.
I'm in Scarborough and would love to see your set-up. If you're interested, just email me direct.
Dave
--- In electricboats@yahoogroups.com, "mboucher99" <mboucher99@...> wrote:
>
> all,
> just wanted to report that the new SEVCON controller is working very well, with instant forward/reverse switching in particular. we try to avoid this abrupt shift, but it has proven itself well in timely dockside situations.
>
> a new question about propellers -
> we still have the old 2-blade prop left from the original diesel engine. there is a distinct lack of power at times in our narrow harbor's strong current. is there a consensus on whether a 3-blade prop (again, a mars 48v brushless in a 27', 5,700 lb sloop) would provide better performance.
>
> any advice?
> happy boating,
> michael
> freeport, maine
>
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