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Hi Jerry, Did you say what kind of boat you have? 10 knots at 700 watts sounds like a dream. I imagine 700 watts is the propulsive power At the prop? So motor watts will be something like 1200? Matt

Miles and F Neil, Thanks for the info. For the 12 foot dinghy I have a 1.2 kw Hang Kai, which like the Elco is a gas lower end modification. Small prop. I've looked around St Thomas at what people

I can’t imagine that the drive efficiency loss thru the “90 degree turn from drive shaft to prop” amounts to much. The big loss is in using a small prop. My outboard conversion has served me

Sorry, that post was supposed to be a reply to the "3-5 Kw 48v motor" thread...

I would recommend checking out the ePropulsion outboards. I first bought an Elco 9.9 and was not happy with the noise and low efficiency. I then bought an ePropulsion Navy 6.0, which is much quieter,

Guys, I'm looking for a raw motor and controller. I'm going to do the Elco if it gets too hard. Advantages to long shaft are that I can gear it way down and use big model airplane props to figure out

Hull weight is 800 lbs. I think all set up it’s around 1200. So pretty light for a small cruiser.

Love to see plans. What's the finished weight? On Fri, Oct 28, 2022 at 6:52 PM, steve sawtelle via groups.io<swsyah@...> wrote: I’m building a Pocketship and considered a pod motor,

I’m building a Pocketship and considered a pod motor, but I read a paper that showed that the pod drag becomes a large percent as boat weight goes down; which does make sense. I just hadn’t

Guys, I'm building a 12 foot cat dinghy. I'm probably going to go with the Elco outboard but thinking of a longtail type inboard instead. I haven't been following motors for a couple of years. Looking

A change in plans due to the weather forecast: My launch has moved to 1 PM on Sunday the 23rd. Chance of rain, but not as much as Saturday. Fingers crossed. :) Jim

Hello again, After resolving the wiring and voltage issue (went with changing to 24 volts just because it was something I could quickly and get the boat on the water.) Speaking of which...? if anyone

Mine did something similar, check the motor encoder, thunderstruck has a page explaining how to change out and test. John Winterrowd 702 343 1492 4.2.1. Email Disclaimer NOTICE: The information

I've killed two Alltrax controllers. While I can't speak for the Curtis, the Alltrax were effectively unrepairable as the entire circuit board is encased in resin. However, I imagine any controller

Hello, I have a thunderstruck motor system Ac34 kit in my sailboat. I recently had a failed contractor and seem to have fried the motor controller. (Curtis 1238-5601) I was getting error message 37

I live in South Bay. Can I pick it up pls?

I would love to have that for my Sabre 28! I have a friend who can pick it up. K

Hi all. FOR PICKUP OR DROPOFF ONLY - San Jose, CA and South Bay area PLEASE TAKE ALL OR NOTHING - feel free to resell/gift what you don't want. I have all the parts from a Columbia 8.3 repower that

Hi Dan! Thank you for the article, it looks very detailed! I have a lot of questions that I want to ask you but as I read I find that everything is very well explained on your website, thank you for

I did a conversion in a similar sized boat last year. I used the 12KW motor you are considering and a similar battery assembly. I have a heat exchanger cooling system with a coolant pump and a raw