Re: [PSUBS-MAILIST] Ambient pressure sub hardware

[DJACKSON99@aol.com]

I am planning on air supplied from a compressor on the surface piped directly to the cabin so incoming cfm is dependent on depth.  An emergency air tank will use a 1st stage scuba regulator and then a small valve that will bleed 4 to 5 cfm into the cabin.


In a message dated 12/5/02 5:10:18 PM Central Standard Time, pipo305@hotmail.com writes:


> It could take very long to create pressure inside the hull with only the air 
> that you breath?
>
> Pierre
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> >From: DJACKSON99@aol.com
> >Reply-To: personal_submersibles@psubs.org
> >To: personal_submersibles@psubs.org
> >Subject: Re: [PSUBS-MAILIST] Ambient pressure sub hardware
> >Date: Thu, 05 Dec 2002 17:36:13 -0500
> >
> >I was just planning on putting a short piece of pipe sticking out the 
> >bottom of the hull. When water is coming in, then I'm descending too fast, 
> >otherwise its blowing bubbles out the pipe.  Why would I need a relief 
> >valve or regulator?
> >
> >Doug