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Brian, My ship used a low pressure blower once a source of fresh air was obtainable to conserve compressed air. I know little to nothing of how this blower worked but a piston type air pump perhaps similar to one you inflate tires with could be used if several were used together to take low pressure ambient air and compress this and force this against sea pressure and into your ballast tank. David Bartsch > From: ojaivalleybeefarm@dslextreme.com > To: personal_submersibles@psubs.org > Subject: [PSUBS-MAILIST] Large ballast volume > Date: Wed, 14 Apr 2010 17:06:07 -0700 > > Hey, would it make sense for those of us with large ballast volume to have a > small gas powered compressor available so as to not waste valuble compressed > air when maxing out the ballast chamber on the surface? I will be able to > get to the surface with just a few shots of air but it seems like once > you're on the surface all you need is low psi to fill the rest of your > ballast tank. Any thoughts? > > Brian > > > > > ************************************************************************ > ************************************************************************ > ************************************************************************ > 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 > ************************************************************************ > ************************************************************************ > ************************************************************************ > Hotmail has tools for the New Busy. Search, chat and e-mail from your inbox. Learn more. |