[PSUBS-MAILIST] ballast idea

[Sam Buck via Personal_Submersibles]

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On Sep 2, 2015, at 6:26 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

> Ha Ha funny
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> On Wednesday, September 2, 2015 4:14 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
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> I sent that email 9 days ago. Must have gone by ship.:)
> Alan
> 
> 
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
> Sent: Thursday, September 3, 2015 10:00 AM
> Subject: Re: [PSUBS-MAILIST] ballast idea
> 
> Alan
> I was thinking of a way to keep the bubble the same size as the sub descends, it would need a check valve so when you put air into the ballast tank, it would not just pass through the regulator.  I was just thinking out loud, not a great idea :-)  I need a few bad ideas between the good ones.
> Hank
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> On Monday, August 24, 2015 8:13 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
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> Not sure what you mean there Hank.
> No air should come out of the 2nd stage regulator unless there is a
> presure difference on it's diaphram.
> Are you wanting just a slower flow of low pressure air or are you thinking 
> of some sort of automatic hovering system.
> P.S. wonder what will happen to the American dollar when Donald Trump
> becomes president?
> Alan
> 
> 
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
> Sent: Tuesday, August 25, 2015 1:12 PM
> Subject: [PSUBS-MAILIST] ballast idea
> 
> When I dive with a passenger  the sub is more difficult to control. I don't bother with fine weight adjustments.  If Gamma is 50 lb over weight, I don't worry about it.  I just add air to the ballast faster than normal.  When training my kids, it is tricky for them.  I have a solution, maybe.  I am thinking about having an external scuba first and second stage regulator connected to each ballast tank.   As soon as the hatch is under, send air to the first stage regulator, then use thrusters to sink.  Or, start sinking slowly then send air to the regulator to maintain sink speed.  Might be fun to play with.
> Hank
> 
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