[PSUBS-MAILIST] Personal_Submersibles Digest, Vol 45, Issue 33

Fri Mar 17 20:00:10 EDT 2017

Hey I was wondering if anyone had pics of the  k250 mechanical  arm
mechanism etc. Would be a great help thanks! Bowmanfrankie at gmail.com

On Mar 17, 2017 6:22 PM, "via Personal_Submersibles" <
personal_submersibles at psubs.org> wrote:

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>    1. Re: Fw: Gamma (Rick Patton via Personal_Submersibles)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 17 Mar 2017 12:22:02 -1000
> From: Rick Patton via Personal_Submersibles
>         <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion
>         <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Fw: Gamma
> Message-ID:
>         <CALUZTEuDOipgia7YUup6-emo+PqOzqb9q1oVNv-pOk5xq4r+Fg@
> mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Thanks Alan
>
> Rick
>
> On Fri, Mar 17, 2017 at 12:13 PM, Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> > Rick,
> > I have purchased a few from this company in Washington state.
> > http://www.emtmedicalco.com/PEDIATRIC-REGULATORS-0-4-LPM-
> CGA-540-5404.htm
> > I think others Psubbers have also. You want the paediatric regulator with
> > your required fitting.
> > Alan
> >
> > Sent from my iPad
> >
> > On 18/03/2017, at 10:34 AM, Rick Patton via Personal_Submersibles <
> > personal_submersibles at psubs.org> wrote:
> >
> > Can anyone recommend a good 02 flow meter without a regulator as I am
> > coming into the sub as LP o2.
> >
> > Rick
> >
> > On Sun, Mar 12, 2017 at 9:45 AM, hank pronk via Personal_Submersibles <
> > personal_submersibles at psubs.org> wrote:
> >
> >> Seems to me a medical O2 tank inside the sub with a regulator venting
> >> into the compartment is the safest.  I also carry a 35cuft O2 bottle to
> >> refill the medical tank.
> >> Hank
> >>
> >>
> >> On Sunday, March 12, 2017 1:28 PM, Sean T. Stevenson via
> >> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> >>
> >>
> >> The NASA thing was because of the 100% oxygen environment, which makes
> an
> >> inferno out of anything burning. This was exascerbated by the fact that
> >> they had a tendency to use tons of velcro everywhere, which became a
> fuel
> >> source in the elevated oxygen environment. If your cabin environment is
> >> only air, as it should be, then the fire risk from oxygen piping exists
> >> only from the metals themselves or any entrained hydrocarbons.
> Machining
> >> operations which create sharp or thin edges within fittings can make the
> >> parts internally susceptible to burning in the presence of a source of
> >> ignition, which adiabatic heat from high rates of compression (i.e. a
> fast
> >> acting oxygen valve) in combination with residual hydrocarbons in the
> >> fittings / piping can represent.  Also, all materials used in the
> personnel
> >> space, which includes but is not limited to the materials used in hoses,
> >> must be self-extinguishing / fire resistant. A hose burning will !
> likely
> >> cause it to rupture.
> >> Sean
> >>
> >>
> >> On March 12, 2017 12:40:45 PM MDT, Rick Patton via
> Personal_Submersibles <
> >> personal_submersibles at psubs.org> wrote:
> >>
> >> Thanks for the input guys.
> >>  My 02 bottles will be medical bottles that come already cleaned and be
> >> outside with 02 cleaned first stage regulators on them to go to LP right
> >> away and then I'll buy 02 cleaned LP hose to go to the SS threw hull
> >> fitting that's welded to the hull.
> >>  The sked 80 SS threw hull, 90 degree street ell and 1/4" turn stop
> valve
> >> weren't cleaned though so those should be easy to clean based on your
> >> input. I'll also go with factory 02 cleaned rubber hose to the flow
> meter
> >> so it would be just those three thing.
> >> Just out of curiosity though, if a fire occurred from
> >> carbon/contamination  or whatever, would the fire just burn very
> briefly in
> >> the hose and then go out or would there be an explosion that would
> rupture
> >> the hose? As I recall, the unfortunate fire that occurred at NASA in the
> >> capsule with the three astronauts, wasn't that a quick fire with no
> >> explosion?
> >>
> >> Rick
> >>
> >>
> >> On Sun, Mar 12, 2017 at 7:49 AM, Sean T. Stevenson via
> >> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> >>
> >> Not all detergents are the same in this regard. You need something with
> a
> >> high affinity for hydrocarbons which is residue free. Simple green and
> >> formula 409 are mentioned in the Oxygen Hacker's Companion, but I always
> >> use orange TKO. I use vinegar on regulator and valve parts to remove
> >> corrosion, and will scrub these after the vinegar soak, and then wash
> them
> >> with an orange TKO solution as the next step before rinsing with
> distilled
> >> or filtered water. Cylinders just get a hot orange TKO solution wash,
> >> followed by a clean water rinse.
> >> I wouldn't use solvents for cleaning lines for oxygen service, although
> >> you can if you subsequently flush the lines to remove all traces of the
> >> solvent afterwards. A quick detergent solution flush, followed by a
> clean
> >> water rinse, followed by blowing out with clean dry air or nitrogen
> should
> >> suffice. I like to pull vacuum on everything I put together to ensure
> that
> >> any remaining water or volatiles are evaporated, but that may not be
> >> practical for everyone.
> >> Note also that I only ever bother with this for 100 % oxygen service at
> >> high pressures. Most of the time, I assemble tubing and fittings as
> >> delivered, blow it out once with nitrogen to remove any loose particles,
> >> and call it a day.
> >> Sean
> >>
> >>
> >> On March 11, 2017 11:50:54 AM MST, Brian Cox via Personal_Submersibles
> <personal_submersibles at psubs.
> >> org <personal_submersibles at psubs.org>> wrote:
> >>
> >> Rick,           I haven't, but my understanding is that just soap and
> >> water is sufficient.  Using a dish washing liquid.
> >>
> >> Brian
> >>
> >> --- personal_submersibles at psubs. org <personal_submersibles at psubs.org>
> >> wrote:
> >>
> >> From: Rick Patton via Personal_Submersibles
> <personal_submersibles at psubs.
> >> org <personal_submersibles at psubs.org>>
> >> To: Personal Submersibles General Discussion
> <personal_submersibles at psubs.
> >> org <personal_submersibles at psubs.org>>
> >> Subject: Re: [PSUBS-MAILIST] Fw: Gamma
> >> Date: Sat, 11 Mar 2017 08:09:48 -1000
> >>
> >> has anyone 02 cleaned the insides of tubes or fittings before using the
> >> solvent method?
> >>
> >> Rick
> >>
> >> On Sat, Mar 11, 2017 at 5:37 AM, Gregory Snyder via
> Personal_Submersibles
> >> <personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> >> wrote:
> >>
> >> Indeed!!! Awesome boat!
> >>
> >> On Mar 11, 2017, at 7:19 AM, hank pronk via Personal_Submersibles
> <personal_submersibles at psubs.
> >> org <personal_submersibles at psubs.org>> wrote:
> >>
> >> Thanks' guys, I am pretty pleased with how Gamma has turned out.  I can
> >> not think of a single thin! g I want to do her now.  I have always had a
> >> diesel engine in mind but  that might have been a want, not a need.
> >> Hank
> >>
> >>
> >> On Friday, March 10, 2017 7:25 PM, Douglas Suhr via
> Personal_Submersibles
> >> <personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> >> wrote:
> >>
> >>
> >> Beautiful Hank! What a fine sub you've got there. ~ Doug S.
> >>
> >>
> >> On 3/10/17, Rick Patton via Personal_Submersibles
> >> <personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> >> wrote:
> >> > Lookin good Hank!
> >> >
> >> > Rick
> >> >
> >> > On Fri, Mar 10, 2017 at 1:58 PM, Alan via Personal_Submersibles <
> >> > personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> >> wrote:
> >> >
> >> >> Thanks Hank,
> >> >> I enjoy watching! the videos. All the best for the ensuing dive &
> look
> >>
> >> >> forward
> >> >> to hearing the report.
> >> >> Alan
> >> >>
> >> >> Sent from my iPad
> >> >>
> >> >> On 11/03/2017, at 11:28 AM, hank pronk via Personal_Submersibles <
> >> >> personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> >> wrote:
> >> >>
> >> >> New video of arm assembly on Gamma.
> >> >> Hank
> >> >>
> >> >>
> >> >> On Friday, March 10, 2017 3:27 PM, xxx xxxxx <mp13 at live.ca> wrote:
> >> >>
> >> >>
> >> >> https://www.youtube.com/watch? v=S9HGAFanbNE
> >> <https://www.youtube.com/watch?v=S9HGAFanbNE>
> >> >> <Image 2017-03-10 at 3.27 PM.jpg>
> >> >>
> >> >>
> >> >> <Image 2017-03-10 at 3.27 PM.jpg>
> >> >! >
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> >> >>
> >> >>
> >> >> ______________________________ _________________
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> >> >>
> >> >>
> >> >
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> >> <http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles>
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