Tuesday, April 12, 2011

[Electric Boats] Electric Cruiser

 

Hello,

I've been following post for quite some time now trying to figure out if I can make my plan work efficiently. I know it will work, but is it worth the money and time. I have a 28' Marinette, aluminum boat with a 12' beam.(@ 9' at the waterline) the boat weighs @ 7000lbs. I have to replace the engines, and I've always wanted to have an electric boat.(I have an electric truck, it's great) The engines are 318cu.in(240 hp @500lbs. each) The port engine turns C.C.W. and the starboard engine turns C.W. The boat cruises well at 2000 - 2400rpm. the wide open throttle is @4,400rpm. The transmissions are Warner Velvet Drive 1:1 ratio.I am looking at 2- AC-50hp induction motors,(6,500rpm) with Curtis controllers on 96 - 108 volt battery banks. I would like to mate the motors to the existing transmissions if possible.(simpler and would be able to run the boat like I do now) I would remove the 100 gal. gas tank, and there is plenty of room for batteries. My biggest question is how long the battery banks would last. I know it depends on how fast and how much load is put on the boat, but could anyone give me an idea if this would be feasible. Thanks for your time.

Rick

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