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RE: [PSUBS-MAILIST] pressure gauge

Alan the inside gauge started out just a test for the main depth gauge and after putting it together it worked pretty well  so I left it, we had a super cell blow thru Boston the day I put it together and it read a pressure drop as the storm blew thru, and the conning tower came with all the sub parts Mike Caudle had made in the UK and I can’t recall the company but the specs are 18 h  x  26 id x 34 od  7000 ft depth rated and I believe the cost was around 15k the I have around 5 k in the flanges, Mikes plans were to install a high def camera in it, I cant wait to get in some clear water with good viz, a smaller size may be cost effective, and there are a few nice benefits like the light from it witch helps if you are the least bit claustrophobic, I found once you are neutral you can stand in the tower and fly  

 

Brian V. Ryder

brian@subatlantic.com

 

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From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Alan James
Sent: Saturday, July 10, 2010 9:19 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] pressure gauge

 

Thanks Brian,

Why the solder sucker & oil for the inside gauge, is it protection against  moisture?

I'm intrigued by your acrylic conning tower. Is it a slice from a pre-formed acrylic tube?

I've seen acrylic tube of that diameter for sale. Was it expensive compared with a dome?

Alan

----- Original Message -----

Sent: Sunday, July 11, 2010 11:03 AM

Subject: RE: [PSUBS-MAILIST] pressure gauge

 

This is one that I put together for inside to make sure I don’t build pressure inside and another outside they have feet of H2O, the ball is a solder sucker from radio shack and swagelock fittings filled with mineral oil ,I have check them against a dive computer down to fifty feet and seem to be working I changed it back to psi and was right on the money with my dive computer, can’t wait to check them at 1000 feet

IMG_0188.JPG

 

Brian V. Ryder

brian@subatlantic.com

 

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information or otherwise be protected by law. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.

 

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Alan James
Sent: Saturday, July 10, 2010 4:51 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] pressure gauge

 

Hi David,

That is so nineteenth centuary; we are now in the 21st.

I bought mine from Grainger in the U.S.A.

I think people fit them with an oil filled balloon on the outer side of the hull so seawater doesn't get in to them.

Someone else might comment on that.

Alan

 

----- Original Message -----

Sent: Saturday, July 10, 2010 9:09 PM

Subject: [PSUBS-MAILIST] pressure gage

 

I got one!
 
   If I took an air tank and lobbed off the bottom to it and placed it such that the lower part was down deep in the water within an ambient submarine. A small metal tube was then attached to the upper or output end and ran up to a pressure gage. Would this show pressure in psi as can be converted to the depth of the sub?
 
                                                                                         David Bartsch

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