Join Date: Mar 2008
Location: Anacortes PNW
Thanked 125 Times in 113 Posts
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Your answer is not a pure electric system, but rather a hybrid system. After all, you're willing to put up with running an engine while underway, so why not run a genset to power your electric motor.
Epod 2000 36Amp electric motor from re-e-power.com $2,750
Honda 2000i generator $1150
Xantrex 60C 60 amp charger $250
3x group 27 deep cycle batteries $300 (or less)
2.5gal gas can from gas station (with gas!) $10 Honda genset runs 15hr on 1.1gal of gas.
Total cost <$3000. Weight, is much MUCH less than your yanmar with tank and you get a high torque, quiet, reliable system. There is also some cool features such as the genset which you can use to charge your house bank (like your alternator). There is redundancy, so if your charger packs up you can still charge DC directly off the Honda. If the honda packs up you still have some range in the batteries themselves. Also, you now have 3 more 12v batteres which you can integrate into your house system if you so choose.
The re-e-power website appears to be not functioning to full capacity but rest assured that the motor is up to the task.
PS No need to send $1000. If you really like my suggestion or a variation thereof you could send me $100 and I would promise to squander it on wine, women and boats.... but not necessarily in that order.
I have a sauna on my boat, therefore I win.
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