James Sizemore
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  • Nashville, TN
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James Sizemore joined Greg Martin's group

Electric Yacht User Group

User group for Electric Yacht
Jul 23, 2011
James Sizemore is now a member of Electric Seas
Jul 23, 2011


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At 10:35pm on July 24, 2011, Greg Martin said…

Hi James,


Welcome to Electric Seas! I just sent you a more detailed message to your inbox here, which should be sent to your regular email as well, not sure if you noticed.


Anyway, I just wanted to let you know that we have forum topic under general discussions that we're using as an archive for previous messages to all members, concerning info about this site. Here's the topic:




I'm just about to send out another message to everyone with some more updates, so stay tuned. This site is always evolving, so please feel free to shape it into whatever you want.


Keep it charged!




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Latest Activity

Gerard Field updated their profile
Jan 20
Gerard Field posted photos
Jan 20
Gerard Field is now a member of Electric Seas
Jan 20
Terry Frank is now a member of Electric Seas
Jan 6
Profile Iconpepi cima and charles kennedy joined Electric Seas
Dec 27, 2014
Peter Thompson's discussion was featured

New Battery Bank for Thoosa 7000-HT

I am looking at replacing the battery bank for my 48 volt Thoosa 7000 system . . . currently I have 8-6volt deep cycle golf cart batteries rated at about 100 Ah . . . at a 25 Amp per hour usage . .  this only gives me about 3.5 knots per hour . . . so to discharge batteries to 50% I only have a range of about 8 miles.Obviously, I would like to extend this . . . I am looking at replacing the current batteries with 4 Northstar SMS AGM 220 or 4 Northstar SMS AGM 400  (220 Ah or 400 Ah…See More
Dec 15, 2014
John Arndt is now a member of Electric Seas
Dec 14, 2014
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Eric H updated their profile
Dec 11, 2014
David Vaughan joined Sally M. Reuther's group

Oceanvolt Electric Saildrive Group

Oceanvolt Ltd is focused on producing electric propulsion systems for catamarans and sailboats. Each and every part of the system has been specifically designed for electrical use. Compared to combustion engines, this system is silent, simple and reliable. “Less from nature, more for people.” Discover technology that respects both people and nature.See More
Dec 9, 2014
David Vaughan posted a discussion

Sail drive option for electric motor install

I am looking for affordable sail drive installation for my catamaran to connect to my electric motors. I am looking for these as an easier option to installing a traditional propeller shaft, struts, packing box, etc.  Anyone know of a good source to purchase to purchase two sail drives and use a verticle attachment for my electric motors? (AC-46's).DaveSee More
Dec 6, 2014
Profile IconDavid Vaughan and Stan Esposito joined Electric Seas
Dec 4, 2014
Ned Farinholt updated their profile
Nov 5, 2014
David Warr posted a status
"Has anyone managed to power up a 48v QT10 just using panels..I do not have access to shore power..?"
Nov 1, 2014
David Warr joined Greg Martin's group

Electric Yacht User Group

User group for Electric Yacht
Nov 1, 2014
Peter Thompson posted a discussion

More questions on new battery bank for Thoosa 7000

So I'm am getting ready to head from here in Hawaii to the South Pacific on my Aries 32  . . . I have a Thoosa 7000 system currently powered by 8- 6 volt, 200 AmpHr Costco lead acid batteries . . . I want to replace these with AGM's (safer, no maintenance and I don't have to try and find distilled water in the South Pacific) . . .Being here in Hawaii . . . the cost for shipping batteries is very high . . .  I have found a good set of traditional style Amstron GC2, 6 volt AGM's . . . (see info…See More
Oct 14, 2014
Profile IconJason and scott cooper joined Electric Seas
Oct 12, 2014
Bob Greene joined Greg Martin's group

Clean eMarine Group

Clean eMarine designs & manufactures the Thoosa & Triton inboard electric propulsion systems. See More
Oct 10, 2014
Pat Neal posted a discussion

Longest motor to date

Went on my first cruise out this last week end26 km with no wind and a strong tide current dead on the nose for most of the tripmy math might be a little off but it works for me26km / 6.5hr  = 4.07kts avg220 ah @48vdc = 10.5kw310ah bank @ 48vdc = 14880 watts310ah battery bank  x.80 =  248ah for 80% dod220ah/248ah = 88% of available power usedI tried to stay at about 35 amps for the whole trip just to see what would happen and log some time and data if it was on a flood I am thinking 30km or…See More
Oct 8, 2014
Capt. Mike posted a discussion

100 Watt Renogy bendable solar panels

I just bought  a Renogy 100 watt bendable panel to add  to my 12 volt house solar array. At four pounds it is four times lighter and smaller than the 75 watt Siemens panels I bought over a decade ago. Not sure if they will hold up as well and I'd be leery to walk on it. But, I'm impressed with it so far. Gave a nice bump up in energy collection and easily movable compared to the rigid panels.:…See More
Oct 8, 2014

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