T-Pain Is On A Boat: Re: [Electric Boats] Alternative to propeller

Sunday, November 22, 2009

Re: [Electric Boats] Alternative to propeller

I'm having trouble rowing my tender out to my swing mooring , because of arthritic wrists , so my intention is to make the Thistle , and peddle out.

But I'll be looking for a way to have an electric assist as well , as long as I can keep it relatively light , and unobtrusive.

Regards Rob J.

--- On Mon, 23/11/09, danbollinger <no_reply@yahoogroups.com> wrote:

From: danbollinger <no_reply@yahoogroups.com>
Subject: Re: [Electric Boats] Alternative to propeller
To: electricboats@yahoogroups.com
Received: Monday, 23 November, 2009, 1:01 AM

Did some searching and found this YouTube video of his boat.
http://www.youtube.com/watch?v=3PdOIXvfB3g

And the official page with plans. http://www.harrybryan.com/harrybryan/ThistlePlan.html

Note the two skegs. These are required to turn the fin's wiggle into forward motion by resisting the boat from wiggling. You want to wiggle the tail, not the dog.

I see no reason why an electric motor couldn't drive an oscillating mechanism that would pull on the two cables like his design shows.

Or, my simpler idea, with a disc mounted on the motor, with an eccentric that would push/pull on a rigid pole mounted on one side of the fin as the disc turned.

--- In electricboats@yahoogroups.com, Rob Johnson <dopeydriver@...> wrote:
>
> Victor , I have the plans for the Harry Bryan "Thistle" which is a Fin boat.
> Its peddle powered , so its probably quite feasable to have a battery powered auxilery electric motor on it , possibly with a hand powered clutch to engage/disengage.
> Regards Rob J.
>

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