[PSUBS-MAILIST] Penetrator Air Void Question/Concern

[Rick Patton via Personal_Submersibles]

Would love to hear from anyone who is presently using LED's for their
outside lighting. I am getting ready to fab the housings for my outer
lights and am tempted to use a bulb and reflector that is used in a divers
flashlight that has a reflector OD of say 3" to 4",  but have heard a lot
about LED's in the group.
Also like to hear what people are using for an altimeter for monotering the
O2 levels. I already have a gas monotering device that checks for 02 and
Co2 so would I even need an altimeter?
Thanks

Rick

On Tue, Jan 31, 2017 at 6:37 AM, via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> If there is room for a 1/8" pipe nipple inboard, you could put a small
> pressure gauge on the panel somewhere. If you get an increase, it would
> tell you the outer seal leaked. That's the way we did it for the oil-filled
> space between double shaft seals at Perry. Don't see why it wouldn't work
> for this application, as well.
> Vance
>
>
>
> -----Original Message-----
> From: Steve McQueen via Personal_Submersibles <
> personal_submersibles at psubs.org>
> To: personal_submersibles <personal_submersibles at psubs.org>
> Sent: Tue, Jan 31, 2017 9:51 am
> Subject: [PSUBS-MAILIST] Penetrator Air Void Question/Concern
>
> All, I am running a multi conductor cable (11-12mm OD) for my 12V stern
> thruster thru an existing 1/2" pipe nipple in the aft head of my K-250.
>
> I am using a Blueglobe gland fitting (BG 220 VA, rated @ 1,160 psig) on
> the outboard pressure side of the nipple and a Conax gland
> (PG5-500-A-N,rated @ 800 psig) for the gland fitting inboard.
>
> I was originally only going to have interior Conax gland and let the pipe
> free flood. Then I decided I wanted to have redundancy and keep the pipe
> interior dry to help prevent corrosion (it is old school (not SS)).
>
> My question: Is the air void that will exist between the 2 gland fittings
> a concern? Think empty pipe with both ends capped. I'm thinking not...
>
>
> Thanks,
> Steve
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