Sunday, April 18, 2010

Re: [Electric Boats] Alternative shallow draft propulsion

 

How about an airboat?  I don't know how noisy the prop would be but it's a perfect solution to the draft problem, might even work on wet grass ;)
 
Electric model airplane industry already has all the parts you need for a low powered boat.  They use several hp electric drives.
 
Go to an RC field when giant scale electric models are flying and you can evaluate the noise and have a pleasant Sunday afternoon watching the models fly.  The grandkids will enjoy it, too.
 
Denny
 
 
----- Original Message -----
Sent: Sunday, April 18, 2010 9:40 AM
Subject: [Electric Boats] Alternative shallow draft propulsion

 

--- In electricboats@yahoogroups.com, "Gerald Boucher" <gmboucher@...> wrote:
>
> Look at http://www.streamdancer.com/
> There could be a solution, or an IDEA for a solution.
>
> Of course I couldn't find any information of how the motors and
> configured and who sells them.
> That doesn't mean you can't do the legwork and share the information
> :-)
> GerryB

Starting a new thread.

I'm looking for a shallow water propulsion system to connect to an electric motor to push a 14' boat upstream. Need about 6 mph.

The drive above solves the problem using two, small propellers in tunnels. Problem is, both small diameter propellers and tunnels are inefficient.

Right now I have a Torqeedo on a 12' johnboat, but the prop gets into the gravel bottom in the section of the Wabash River I motor with the grandkids. We need a simple, safe method of moving our boat, even if I have to build a boat and drive to do it.

What's the name of the drive that uses a wiggling fin like a fish?

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