So a loss of 2 hrs in every 24hrs of the passage, Not a bad number in fair weather. 30 day passage (beyond weather predictions) 60hrs longer passage. Of course sail plans don't consider anything but the most speed of the hull. standing rigging upgraded for higher stress could fly a drifter or ??
to keep hull speed up. Most of the time hull speed is a dream. most cruisers today have 500+w of solar as a bimi top. small quiet genny for cloudy days. With the iron oar I mostly motor sailed to keep stresses down on the rigging and still make time. It's not hard to find an old log to generate power but why with the price of solar. $$wise solar rather than mechanical as in bearing and shaft wear.
Point is whether or not the regen is worth the effort, longer passages, or anything else. You must make your own choices. All you got was my opinion backed by some cruising experience.
Kevin
On Sat, Jun 15, 2019 at 9:19 AM lightdoesnotage@yahoo.com [electricboats] <electricboats@yahoogroups.com> wrote:
I need to find the webpage but there is a couple who crossed atlantic with electric propulsion sailboat and when their solar failed, the regen from the motor was enough and the only thing that kept their electronics and fridge powered. So at least one example of regen being valuable.
I think they were generating about 500 to 800 watts with a 0.5kt loss in speed while going about 6 knots during the crossing.
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Posted by: Kevin Pemberton <pembertonkevin@gmail.com>
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