[PSUBS-MAILIST] Pressure Chamber

Fri Dec 18 11:12:43 EST 2015

I painted mine also, then after the final weld, poured some paint in and
rolled it around.  Not very scientific, but hopefully its covered.

On 18 December 2015 at 15:46, Brian Cox via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Yeah, you can just paint it.  I painted the inside of my forward hard
> ballast.  I left a 4" fitting where I was able to get my arm in after the
> final weld of the end cap.
>
> Brian
>
> --- personal_submersibles at psubs.org wrote:
>
> From: hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Pressure Chamber
> Date: Fri, 18 Dec 2015 13:33:36 +0000 (UTC)
>
> Alan,
>    You can paint the interior, that is the simplest.   Fresh water is no
> big deal like salt water.  I like WD 40 for protecting bare steel in fresh
> water.  You might not like that on your parts though.
> Hank
>
>
> On Friday, December 18, 2015 3:39 AM, James Frankland via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> I empty the tank before diving of course to save most of the stuff.  Only
> problem is its a bit slimy, so any left in the tank can slime up the
> underside of the boat on the first purge.  However, ive found that by
> purging the tank while driving forward gets rid of it without it glooping
> all over the hull.  Once its flushed though once, its all gone.
>
> On 18 December 2015 at 10:14, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thanks James,
> it looks good. Contains no solvents.
> I just looked it up & they sell it down here.
> Alan
>
>
>
> ------------------------------
> *From:* James Frankland via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Friday, December 18, 2015 11:02 PM
>
> *Subject:* Re: [PSUBS-MAILIST] Pressure Chamber
>
> I fill my variable tank with liquid fluid film after dives which I am
> hoping is preventing the tank from rusting.   Its lanolin which is
> completely natural so can be pumped out into the sea next dive.
>
> http://www.fluid-film.com/
>
> regards
> James
>
>
>
> On 18 December 2015 at 07:44, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thanks Steve,
> that's not a bad idea regarding the liner.
> I'll head off to the plastics store with a tape measure.
> Cheers Alan
>
>
>
> ------------------------------
> *From:* Stephen Fordyce via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Friday, December 18, 2015 7:57 PM
> *Subject:* Re: [PSUBS-MAILIST] Pressure Chamber
>
> Hi Alan,
> I leave water in mine permanently, but it's stainless so not such a big
> deal.  If you put additives in, you'll also have to make sure they're
> compatible with all the stuff you're going to put in it (ie. acrylic, seal
> material, etc.), I reckon that's probably more important that the unlikely
> chance of spontaneous explosions.
>
> Alternatively, what if you made a kind of liner that could be filled with
> water and save the water contacting the pressure-containing walls?  Could
> be as simple as putting a plastic container inside, or a welded stainless
> steel tube with end disc.
>
> Cheers,
> Steve
>
> On Fri, Dec 18, 2015 at 3:10 PM, Alan James via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Sending this again as I didn't receive it.
> Hank, (or anyone)
> do you add an anti-rust solution to your water in your pressure test
> chamber?
> I was thinking of putting something like anti-freeze in the water in the
> test chamber
> & leaving the fluid in the test chamber permanently.
> I have heard that the gas given off by some liquids can be explosive under
> pressure.
> I think this would be rare, but if there is something safe I could add
> that you know of
> it would be appreciated.
> Alan
>
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