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Re: [PSUBS-MAILIST] Test Facility

Quite useful. We always used a vacuum test to verify hull integrity after working on penetrations or hull seals on one of the oil field boats. Also, it's the best way to install one of the big dome segment viewports! Grease the mating surface, have two or three people stand the thing in place, lean on it while the vacuum takes hold, and then install at your leisure (while running the pump continuously, of course).
Vance


---- Original Message ----
From: ShellyDalg@aol.com
To: personal_submersibles@psubs.org
Sent: Thu, 19 Jun 2008 11:50 am
Subject: Re: [PSUBS-MAILIST] Test Facility

Hi Jens. That's right. A " perfect" vacuum is not possible, and that method would have limited use as an indicator of hull strength. It is fairly inexpensive though, and would , like you said, be useful in checking for leaks. Frank D.



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