[Electric Boats] Direct Drive Motors and Regeneration

 

Hi everyone,

So, I've been continuing my research and it looks like the final decision point is the motor, which will be the most expensive single component in my system. The gist I've gotten is that, in order to support regeneration, a direct-drive motor has to be used for efficiency, as well as wear-and-tear on belts, pulleys, etc., associated with power/torque transfer/conversion components used in indirect-drive systems.

It's not clear to me whom here is using a direct drive motor and/or regeneration, and I would greatly appreciate any thoughts and opinions on the current (double entendre fully intended) motors available in the 2 ~ 5 KW range. I'm repowering a Ranger Yachts 29 foot sloop that weighs about 5,000 pounds, and will only need to motor for a few minutes in/out of the slip, with most capacity held in reserve for no-wind cruising and emergencies.

Thanks,
Jim

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