[PSUBS-MAILIST] second stage adjusting

[via Personal_Submersibles]

Hi Rick, 

 

I meant that this is probably know to you. Proverbs translate not very well  😉

 

Br, Emile

 

Van: Personal_Submersibles <personal_submersibles-bounces at psubs.org> Namens Rick Patton via Personal_Submersibles
Verzonden: vrijdag 23 januari 2026 05:35
Aan: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Onderwerp: Re: [PSUBS-MAILIST] second stage adjusting

 

Hi Emile, not sure what you mean by open door? My second stage is probably 18" to 24" lower than the thrusters but someone in the group said that he had adjusted his second stage I thought to more over bottom pressure than how they come off the shelf.

 

Rick

 

On Thu, Jan 22, 2026 at 12:07 PM via Personal_Submersibles <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> > wrote:

Hi Rick,

 

Maybe a open door but the (vertical) position makes also a difference. Some 10-20”lower than the thruster will create overpressure. 

However, it should be tight without overpressure.

 

Br, Emile

 

Van: Personal_Submersibles <personal_submersibles-bounces at psubs.org <mailto:personal_submersibles-bounces at psubs.org> > Namens Rick Patton via Personal_Submersibles
Verzonden: donderdag 22 januari 2026 22:32
Aan: psubs chat room <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Onderwerp: [PSUBS-MAILIST] second stage adjusting

 

I had shared about a thruster leaking on my first dip. Someone in the group said that they had adjusted their second stage for more positive pressure. I am not sure how to do that.

 

Rick

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