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RE: [PSUBS-MAILIST]Bilge pumps ?



Frank,
             The deal was on that was that the bilge pump that was in the compartment that was flooded was not working.  I think because of the batteries got flooded.  Anyway, the other bilge pump, which was working, was on the other end of the sub.  So they had to get the water over to that one so it could be pumped out to the sea. They had to use buckets to physically move the water by hand.  As long as you have a positive displacement pump (like with a piston) you can pump the water out.  Providing of course you can generate more pressure than the outside seawater pressure.
 
Brian
-----Original Message-----
From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org]On Behalf Of ShellyDalg@aol.com
Sent: Monday, January 05, 2009 9:58 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST]Bilge pumps ?

Hi guys. I was just thinking about what it's gonna take to get this thing ready to go down.( Got a list and I'm checkin' it twice)  A thought occurred to me, brought on by the movie "Das Boot" that I saw a week or so ago. These guys are sunk, stuck, and screwed !!! ------------ Now, to get un stuck.......... they pump the onboard water into somewhere, and manage to re-float their boat. O.K......here's my question. "Is there a use for a bilge pump on a psub" and if so, WHY,........ and more importantly......where did that water actually go? Got any thoughts? Frank D.