[PSUBS-MAILIST] pressure pump

[Alan via Personal_Submersibles]

Brian,
you could do a dry run by filling a container inside your sub with water
& pumping the water out & checking the barometer. ( make sure you don't
get trapped)
Phil told us what vacuum they pulled on the Deep Workers, & I have the
email. Out of town, will look it up when I get home.
Alan


> On 19/04/2019, at 6:00 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Jon,  I have two vertical tubes that are 4" x 48"  
> 
> --- personal_submersibles at psubs.org wrote:
> 
> From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] pressure pump
> Date: Thu, 18 Apr 2019 13:20:17 +0000 (UTC)
> 
> Brian, what are you using for internal ballast containers?
> 
> 
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