[PSUBS-MAILIST] bilge pump

[Alan James via Personal_Submersibles]

Sending this one again as I didn't recieve it.Hank,glad you posted, I thought I wasn't getting any mail.From memory G.L. require a bilge pump with an ability to pump outall spaces in the sub.I don't think they require high pressure pumps for pumping out at depth as they talk about allowing an interconectability between the bilge pump &trim tank system. So this implies you can have one pump for the trim tanks & a valve system from it to pump out the bilge.I would guess you would need a one way valve & a stop valve on the through hull.If you had large enough trim tanks you could use them as a ballast tank as well.Alan

      From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 To: personal_submersibles at psubs.org 
 Sent: Monday, October 6, 2014 6:54 AM
 Subject: [PSUBS-MAILIST] bilge pump
   
Are bilge pumps common or required by ABS, if so are they high pressure or low pressure for the surface only.
Hank
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