Sunday, April 1, 2018

Re: [Electric Boats] Converting from diesel power

 

Kim,

I would be inclined to suggest the Torqeedo 4R Electric Outboard, rated at 10hp.  I would think it would push your 16' tug to 4mph just fine.  However - the problem would be that you would have to find a way to mount an outboard - which would probably mean you'd have to make a motor well in the bottom of the boat.  

The $5000+ plug and play systems might be overkill for what you need?  Though by the time you put everything together, it does get pricey.

Good luck!
John

On Sunday, April 1, 2018, 2:50:04 PM CDT, KIM GYE kimgye@shaw.ca [electricboats] <electricboats@yahoogroups.com> wrote:


 

Hello. I am a new member and would welcome advice regarding converting my boat (a home built 16' tug) from 25hp diesel to electric drive. I am having trouble figuring out what size motor I need as I don't have displacement info on this boat etc. She weighs about 3000lbs. Beam at waterline is 7'. Length at waterline is 16'. Submerged depth is 2' not including keel/rudder. The motor is old and probably would honestly rate at 20 hp. My hull speed is 4 knots max and I attain that using only 1200 rpm. Motor max rpm under load is about 2200 .
I have looked at plug and play systems from the bigger companies but they are $5500 us and up which is above my budget for a drive system before batteries. I have found two companies that have sail boat systems for about $1600 us (Thunderstruck and Electricmotorsport) they are both in California. Does anyone have any advice or can point me in the right direction? Thanks in advance.
Kim

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