T-Pain Is On A Boat: Re: [Electric Boats] RE: Anyone selling an electric propulsion setup cheap?

Monday, September 2, 2013

Re: [Electric Boats] RE: Anyone selling an electric propulsion setup cheap?

A 3.5kw drive would be just fine for his boat. Our lake is not big. We have about a 1kt current, less in the wider parts. We can motor from one end to the other in about 2-3 hours. The bottom is clay and offers good holding.

Waves can't get much over 2 feet, 3' in the worst storms.

Being moderately underpowered is not a big risk. He's not thinking of a trolling motor.

A n etek or motenergy ME0907 directly driving the shaft, which already has a shallow pitch prop, would move the boat more than enough for his usage profile.

The 50rpm per volt means that a 48v pack would be spinning the shaft at 2500 rpm. That should give around 5.7kts with a 40% efficient 7" pitch prop.

2000rpm should give about 4.2 kts.

For the time being, he's disconnected the faulty cylinder from the engine and will see how is "A3" runs.

I'm passing all the leads on to him. They are appreciated

Mike, what are you asking for the solid nav? I may be interested if the price is nice :-)

Cheers,

/Jason

On Sep 2, 2013, at 10:45, <mike@electricyachtssocal.com> wrote:

I have a SolidNav that has never been installed - took it in trade on an upgraded Electric Yacht system. It would push the 6500 pound Paceship 29 with authority. We are in Southern California. Contact me at my website www.electricyachtssocal.com

Now my simple question is why not just replace the A4 as you can usually find good working unit for around $800-$1000 or just do a used 7hp outboard for even less. I find it difficult to get my thinking around the idea of putting something that may be inadequate because it is cheap. When boating I first look at safety and then reasonable cost. The idea of putting in a "cheap" but less than adequate and therefore less safe system is not what I would want to do on any boat. As a vendor I cannot in good conscience and in a society that is litigious sell products that may not provide adequate service to my client. But as a boater, I am truly at a loss to want to put something in my boat that is less than adequate. I have seen too many boats that cannot reach more than 60% of hull speed. In a poor sea state, the boater would be at peril.

Mike Electric Yacht of Southern California

--- In electricboats@yahoogroups.com, <sweeney.dillon@...> wrote:

Jason, that may have been me. I posted a 6.7kw D&D electric motor that I removed from a 24' boat with all the supporting parts (controller/converter/charger/gauges/cradle/shaft coupler/batteries etc) but as it happens it all was sold just last week.

Paul
On 2013-09-01, at 8:20 PM, Jason Taylor <jt.yahoo@...> wrote:

Earlier this summer, someone on this list was selling an electric conversion they no longer needed, and this at a very good price, batteries included. I was unable to jump on it at the time.
Today, a friend called me in a bind. His atomic4 has thrown a rod and he is looking to rip it out and convert. But, he's even more of a cheap bastard than I am. I'm pretty sure he can source some batteries locally, but the drive system is what's lacking.

The boat is a Paceship 29 (C&C 29-1 hull).
The sailing conditions are May-October, on a freshwater lake in the st. Lawrence river. Some current, sometimes. He is very capable of making-do and changing his plans according to conditions of weather and boat.

So, a 3-5kW direct-drive would likely suit him fine. I'm going to point him at the smaller Thunderstruck sailboat kit if nothing pops up in eastern Canada or the NE states.

So how about it? Anyone sitting on an uninstalled conversion collecting dust? Now's your chance to pass the dream off to someone else!

Cheers,

/Jason