Here's to those NaySayers that say regen doesn't work. Here's some boats that are doing it using towed gens as well as the free wheeling the prop/dc motor in regen mode.
From: Dave Kellogg
Sent: Sunday, November 28, 2010 8:01 PM
Subject: Re: [Electric Boats] Re: Converting an Albin 27
Mark,
I hope I can get those good numbers in tests to come, have done pretty close with my ChrisCraft Capri 30. My drive prop is a 14X12 three blade that I've ducted with a Rice speed nozzle modified. Thrust is great and the preliminary numbers are close to yours. For a 12000 boat that isn't as slippery as yours its pretty good, but I'm still working on the system. My boat needed a total rebuild inside and out so it wasn't just a put the electrics in place. I've build a 5 blade 11 pitch prop from composite, I am not as concerned about push as I am about developing the best prop for regen while sailing.... a topic that everyone says isn't worth the effort, I disagree and will continue the project until I have things in working condition... as Winston Churchill once said, "don't ever, ever, give up".... chuckle.... I won't...
Dave K
From: acsarfkram <acsarfkram@yahoo.com>
To: electricboats@yahoogroups.com
Sent: Sun, November 28, 2010 1:03:15 PM
Subject: [Electric Boats] Re: Converting an Albin 27
Hi Dave,
My boat is actually a Bruce King designed 1976 Ericson 27. And my current motoring numbers are better now that I have a larger (12x10) three blade prop; 4 knots at 20 amps.
Mark
Santa Cruz
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