[Electric Boats] regen and hull speed

 

Hi everyone,

I have what may be a simple question about regeneration under sail for little boats like my Tartan 27 (LWL=21.42).

In conditions where the sails have the power to push you at hull speed (6 kts for this boat by my calc), would the excess power turn the prop and keep the boat at hull speed, or slow it down?

Any comments on the real practicality of sail-powered regen in a boat of this size are welcome...seems to me that if one only ever goes 6 knots, every tenth of a knot is precious, and it may be wiser to retain the current drag-minimizing prop configuration, which is a 2-blade which can be locked vertical in the aperture behind the keel.

Hope you can help, Paul

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