Wednesday, December 21, 2011

Re: [Electric Boats] Digest Number 2969[1 Attachment]

 

I haven't done much lately on my electric dinghy but some in the group might have a use for the product I've been working on. I designed it for Golf Carts and NEVs but it could be useful for any application that has a string of batteries that you want to monitor and we can provide custom versions if necessary.

The latest version with built in bluetooth is near the end of the web page http://www.BattSix.com

Fair winds,
Gary
(Tranquility Base)

 
On Dec 21, 2011, at 3:28 AM, electricboats@yahoogroups.com wrote:

Messages In This Digest (2 Messages)

1a.
A few parts for sale From: Steve Dolan
2.
Repower for a Bristol 27 From: Jason

Messages

1a.

A few parts for sale

Posted by: "Steve Dolan" sdolan@scannersllc.com   brzrkr22

Tue Dec 20, 2011 4:42 am (PST)

[Attachment(s) from Steve Dolan included below] 

I've got a couple throttle controls for sale if anyone needs them. I don't know who the manufacture is but they handled my Solomons system and are I believe linear controls for forward and reverse with a center stop. 3 wire and in great condition. No instructions and the rubber is like new. Will sell separately so make an offer.

Happy Holidays,
Steve in Solomons MD
Lagoon 410 SE 

Attachment(s) from Steve Dolan

1 of 1 Photo(s)

2.

Repower for a Bristol 27

Posted by: "Jason" jason.sattler@yahoo.com   jason.sattler

Tue Dec 20, 2011 10:25 pm (PST)



Good morning all. I've been lurking here for a while now and trying to get up to hull speed on this topic, but not getting the nuts and bolts into my head as fast as I'd like. I'm repowering a Bristol 27 (6600# displacement). The original Westerbeke 10 still runs, but I think the rings are leaking, and I tore something up in the transmission this fall...

Anyways, I have two big AGM 12v batteries (250Ah each) I'd like to use to keep costs down, so I'd like to go with a 24v approach. I've been told this is not as efficient as a 48v system. Whould anyone know why? I'd be willing to upgrade to 4 new batteries, but it would be nice to be able to stage it over a few years...

Prop. I've got the standard 2 blade factory prop. Should I be loking at a 3 blade if I plan to do regen? 4?

Gearing? The 3000rpm Westerbeke was reduced 2.8:1, which gets it down to around 1100 rpms at the prop. Do I do a belt drive? Gears?

Sorry for all the newbie Q's. 

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