Re: [PSUBS-MAILIST] Hull test

[pierre&marie <poulin.carrier@videotron.ca>]

Thanks Micheal, it was just a tought.

I will put my ambient sub under 2-3 psi pressure just to search for leak.

Pierre


----- Original Message -----
From: "Michael Wludarczyk" <divedawn13@hotmail.com>
To: <personal_submersibles@psubs.org>
Sent: Sunday, March 30, 2003 4:26 AM
Subject: Re: [PSUBS-MAILIST] Hull test


> Hi Pierre,
> testing the sub by pressurizing the hull, will result in blowing the hatch
> off.The sub and all its penetrations are designed to withstand
> pressure from the outside.Valve seals hatch seals and the port holes,
> have the o-ring positioned to seal and work properly with the pressure
> from the outside.
> Unless you like to build a decompression chamber or a lockout sub
> compartment, all you hull penetrations should seal with pressure from the
> outside. You can find a company that does crash tests in pressure tanks,
or
> lower the sub from a surface vessel to your calculated depth.
> Inside pressurisation is not recomandet for depth testing.
> Best regards,
> Michael Wludarczyk.
> Commercial Diver and Submersible Pilot.
>
>
>
>
>
>
> >From: pierre&marie <poulin.carrier@videotron.ca>
> >Reply-To: personal_submersibles@psubs.org
> >To: personal_submersibles@psubs.org
> >Subject: [PSUBS-MAILIST] Hull test
> >Date: Sat, 29 Mar 2003 22:33:03 -0500
> >
> >Hi everybody!
> >
> >I changed my e-mail adresse because the hotmail stuff is crap.
> >
> >Do you think that it is possible to test the resistance of a pressure
hull
> >by pumping air inside it? Like a tank? And if it could resist 300 psi,
can
> >we say that it could resist 600 foot deep? It would be an easy way to
test
> >the hull.
> >
> >Any comments? (about the test, not hotmail)
> >
> >Pierre Poulin
> >
> >
>
>
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