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I was thinking that I could coat the post electrodes and the connectors once attached to them with something like Sikaflex as well as all other exposed connections. Use solid wires for running power to different places and have the fuse box inside a little and easy to open SS pressure hull inside the main pressure hull to limit the chance of electrolysis. Regards, Brent Hartwig > Date: Tue, 8 Jul 2008 11:37:24 -0400 > From: irox@ix.netcom.com > To: personal_submersibles@psubs.org > Subject: RE: [PSUBS-MAILIST] Optima Battery Data > > > Hi, > > the chlorine gas is a product of the electrolysis of sea water, the > battery does not need to be exposed to sea water, only the electrodes. > Running a current between to relatively close electrodes immersed in sea > water will produce hydrogen gas, oxygen gas, chlorine gas and coustic > soda which form as percipitant in the solution. > > Cheers, > Ian. > > -----Original Message----- > >From: "Jay K. Jeffries" <bottomgun@mindspring.com> > >Sent: Jul 8, 2008 5:59 AM > >To: personal_submersibles@psubs.org > >Subject: RE: [PSUBS-MAILIST] Optima Battery Data > > > >Brent, > > > >THE chlorine gas forms from the acid mixing with seawater. > > > >R/Jay > > > > > > > >From: owner-personal_submersibles@psubs.org > >[mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brent Hartwig > >Sent: Tuesday, July 08, 2008 3:10 AM > >To: personal_submersibles@psubs.org > >Subject: RE: [PSUBS-MAILIST] Optima Battery Data > > > > > > > >Thanks for the information Alec. I was in a battery store today that sells a > >lot of Optima batteries, and they donated a used red top battery to me to do > >some destructive testing on. They do have two small vents on the upper > >corners. But they are very different of course then your standard lead acid > >batteries removable caps. The guy said that if one of those vents pops out > >that the battery is dead. > > > >Also if the charge gets to low then they will stay dead and they should have > >special computer changing units that can charge them with a constant > >voltage. He also said that I don't need to space or ventilate them for heat > >issues. The guy didn't know all that I wanted to know about them, so I'll > >have to keep digging. > > > >Is chlorine gas produced from the poles on a regular lead acid battery, or > >from the interior if saltwater gets inside? > > > >There are three power sizes of deep cycle Blue Top Optima's. But two of > >them are the same physical size. > > > >34M and D34M model is 10" L x 6 7/8" W x 7 13/16" H and they are > >38.4 lbs and 43.5 lbs respectivly. > > > >D31M model is 12 13/16" L x 6.5" W x 9 3/8" H and the weight > >is 59.8 lbs. > > > > > >Regards, > >Brent Hartwig > > > > > > > > > > > > > > > > > ************************************************************************ > ************************************************************************ > ************************************************************************ > The personal submersibles mailing list complies with the US Federal > CAN-SPAM Act of 2003. Your email address appears in our database > because either you, or someone you know, requested you receive messages > from our organization. > > If you want to be removed from this mailing list simply click on the > link below or send a blank email message to: > removeme-personal_submersibles@psubs.org > > Removal of your email address from this mailing list occurs by an > automated process and should be complete within five minutes of > our server receiving your request. > > PSUBS.ORG > PO Box 53 > Weare, NH 03281 > 603-529-1100 > ************************************************************************ > ************************************************************************ > ************************************************************************ > |