My Electric 10 Hp Boat

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Autos & Vehicles

Tags:

• electric
• boat

[kylegap]

yeah, put a 10HP gas motor on i, you'll see it's like twice faster than this... it's great though for electric.

[allenhawk1]

No doubt! I love the smell of gasoline in the morning. With my Johnson 9.9, my boat rocks! However, the lake I live on doesn't offer me a choice, I must deal with the hand dealt. Nevertheless, I am still the quickest fish in our small pond.

[kylegap]

have you made it yourself?

[allenhawk1]

I didn't really make it, but I did assemble pieces of my own design. I started with a B&S 3HP electric, gutted it, fabricated a new motor mount, put in a Perm PMG 132 motor capable of 72V and 120 Amps, had a new motor/bottom unit coupler built for me at a machine shop, bought a 1965 Johnson 6hp outboard for the prop that turned counter clockwise, had the prop tuned to increase effective pitch, and messed a bunch of stuff up. I just put it all together

[allenhawk1]

Oh, I forgot about the new power controller, high voltage contactors and charging/battery monitoring system.

[Magnexxxx]

Nice, but looks like less than 10 hp/ 7000 W

[allenhawk1]

I agree, but the numbers are true. It's the 420lbs of batteries that dogs it. I could opt for smaller batteries for better performance, but I have chosen to have an entire day's worth of power.  I live on an electric only rez and on day 3 of unveiling my boat, I received a letter from the home owner's association requesting that I stop using a "gas" motor. So, I guess it isn't that far off.

[breedam]

is that 10 hp?? more like 3,5

[dewalt23293]

its basically like a trolling motor on steroids good work

[porpoisefathom]

@kylegap yeptrue- but that electric motor at 10 hp would tow your 10 hp gas engine boat backwards--they are high torque--not fast but powerful--tugboats use them in D.E. systems....100 torque at 0 rpms..

[porpoisefathom]

@kylegap yea it would be faster but that electric motor would tow your gas motor backwards...high torque on electrics..2200 rpms as opposed to 5500..the gas motor would not make way in a storm but that electric one would keep plugging along in a gale at about the same speed...

[leroymoorejr]

Sounds like a gas motor to me.

[mikebikerad]

sweet

[vonzace]

@kylegap you are dead wrong there buddy. An electric 10 horse will whoop a gas one. that guys just isn't got the gearing rite.

And electric motor rated at 10HP means it can put that out for many years non stop.

[tomperanteau]

@breedam Wrong.

[TheZazose]

The technology in Bateries is available ... its the Oil Companies and Lobbyists thats stop it ...at almost 5 dollars a gallon Electric motors can save the boating industry ...

[advthinker]

JFYI all the negitive comments are from whiners that wish they we smart enought to build there own. Have you ever given any thought to a VFD? most are availble that will take 120v and give you three phase 220. the motors are dirt cheap, and vfd,s can be found on ebay cheap. touqre at 100 percent at one rpm, and three times motor tag rpm. all this off one twelve volt battery. invert the 12 to 120v add to vfd, wire to motor, and controll with a pot. can even run reverse.

[AllAlaskan907]

@saltwaterangler1 You must not know how to read, he said they do not allow gas powered engines on the lake he lives on.

[AllAlaskan907]

I bet you can get it to go faster, If you change some of the gearing around to spin the prop faster the electric motor should do it. Im not to familure with Out board lowers, but maybe before the electric drive shft connects to the drive shaft in the lower you could put some gears to change up the gears to spin the prop faster with less rpms of the electric motor. Just a thought.