<div dir="auto">Hey I was wondering if anyone had pics of the k250 mechanical arm mechanism etc. Would be a great help thanks! <a href="mailto:Bowmanfrankie@gmail.com">Bowmanfrankie@gmail.com</a></div><div class="gmail_extra"><br><div class="gmail_quote">On Mar 17, 2017 6:22 PM, "via Personal_Submersibles" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send Personal_Submersibles mailing list submissions to<br>
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1. Re: Fw: Gamma (Rick Patton via Personal_Submersibles)<br>
<br>
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Message: 1<br>
Date: Fri, 17 Mar 2017 12:22:02 -1000<br>
From: Rick Patton via Personal_Submersibles<br>
<<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>><br>
To: Personal Submersibles General Discussion<br>
<<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>><br>
Subject: Re: [PSUBS-MAILIST] Fw: Gamma<br>
Message-ID:<br>
<<a href="mailto:CALUZTEuDOipgia7YUup6-emo%2BPqOzqb9q1oVNv-pOk5xq4r%2BFg@mail.gmail.com">CALUZTEuDOipgia7YUup6-emo+<wbr>PqOzqb9q1oVNv-pOk5xq4r+Fg@<wbr>mail.gmail.com</a>><br>
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<br>
Thanks Alan<br>
<br>
Rick<br>
<br>
On Fri, Mar 17, 2017 at 12:13 PM, Alan via Personal_Submersibles <<br>
<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
<br>
> Rick,<br>
> I have purchased a few from this company in Washington state.<br>
> <a href="http://www.emtmedicalco.com/PEDIATRIC-REGULATORS-0-4-LPM-CGA-540-5404.htm" rel="noreferrer" target="_blank">http://www.emtmedicalco.com/<wbr>PEDIATRIC-REGULATORS-0-4-LPM-<wbr>CGA-540-5404.htm</a><br>
> I think others Psubbers have also. You want the paediatric regulator with<br>
> your required fitting.<br>
> Alan<br>
><br>
> Sent from my iPad<br>
><br>
> On 18/03/2017, at 10:34 AM, Rick Patton via Personal_Submersibles <<br>
> <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
><br>
> Can anyone recommend a good 02 flow meter without a regulator as I am<br>
> coming into the sub as LP o2.<br>
><br>
> Rick<br>
><br>
> On Sun, Mar 12, 2017 at 9:45 AM, hank pronk via Personal_Submersibles <<br>
> <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
><br>
>> Seems to me a medical O2 tank inside the sub with a regulator venting<br>
>> into the compartment is the safest. I also carry a 35cuft O2 bottle to<br>
>> refill the medical tank.<br>
>> Hank<br>
>><br>
>><br>
>> On Sunday, March 12, 2017 1:28 PM, Sean T. Stevenson via<br>
>> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
>><br>
>><br>
>> The NASA thing was because of the 100% oxygen environment, which makes an<br>
>> inferno out of anything burning. This was exascerbated by the fact that<br>
>> they had a tendency to use tons of velcro everywhere, which became a fuel<br>
>> source in the elevated oxygen environment. If your cabin environment is<br>
>> only air, as it should be, then the fire risk from oxygen piping exists<br>
>> only from the metals themselves or any entrained hydrocarbons. Machining<br>
>> operations which create sharp or thin edges within fittings can make the<br>
>> parts internally susceptible to burning in the presence of a source of<br>
>> ignition, which adiabatic heat from high rates of compression (i.e. a fast<br>
>> acting oxygen valve) in combination with residual hydrocarbons in the<br>
>> fittings / piping can represent. Also, all materials used in the personnel<br>
>> space, which includes but is not limited to the materials used in hoses,<br>
>> must be self-extinguishing / fire resistant. A hose burning will ! likely<br>
>> cause it to rupture.<br>
>> Sean<br>
>><br>
>><br>
>> On March 12, 2017 12:40:45 PM MDT, Rick Patton via Personal_Submersibles <<br>
>> <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
>><br>
>> Thanks for the input guys.<br>
>> My 02 bottles will be medical bottles that come already cleaned and be<br>
>> outside with 02 cleaned first stage regulators on them to go to LP right<br>
>> away and then I'll buy 02 cleaned LP hose to go to the SS threw hull<br>
>> fitting that's welded to the hull.<br>
>> The sked 80 SS threw hull, 90 degree street ell and 1/4" turn stop valve<br>
>> weren't cleaned though so those should be easy to clean based on your<br>
>> input. I'll also go with factory 02 cleaned rubber hose to the flow meter<br>
>> so it would be just those three thing.<br>
>> Just out of curiosity though, if a fire occurred from<br>
>> carbon/contamination or whatever, would the fire just burn very briefly in<br>
>> the hose and then go out or would there be an explosion that would rupture<br>
>> the hose? As I recall, the unfortunate fire that occurred at NASA in the<br>
>> capsule with the three astronauts, wasn't that a quick fire with no<br>
>> explosion?<br>
>><br>
>> Rick<br>
>><br>
>><br>
>> On Sun, Mar 12, 2017 at 7:49 AM, Sean T. Stevenson via<br>
>> Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>> wrote:<br>
>><br>
>> Not all detergents are the same in this regard. You need something with a<br>
>> high affinity for hydrocarbons which is residue free. Simple green and<br>
>> formula 409 are mentioned in the Oxygen Hacker's Companion, but I always<br>
>> use orange TKO. I use vinegar on regulator and valve parts to remove<br>
>> corrosion, and will scrub these after the vinegar soak, and then wash them<br>
>> with an orange TKO solution as the next step before rinsing with distilled<br>
>> or filtered water. Cylinders just get a hot orange TKO solution wash,<br>
>> followed by a clean water rinse.<br>
>> I wouldn't use solvents for cleaning lines for oxygen service, although<br>
>> you can if you subsequently flush the lines to remove all traces of the<br>
>> solvent afterwards. A quick detergent solution flush, followed by a clean<br>
>> water rinse, followed by blowing out with clean dry air or nitrogen should<br>
>> suffice. I like to pull vacuum on everything I put together to ensure that<br>
>> any remaining water or volatiles are evaporated, but that may not be<br>
>> practical for everyone.<br>
>> Note also that I only ever bother with this for 100 % oxygen service at<br>
>> high pressures. Most of the time, I assemble tubing and fittings as<br>
>> delivered, blow it out once with nitrogen to remove any loose particles,<br>
>> and call it a day.<br>
>> Sean<br>
>><br>
>><br>
>> On March 11, 2017 11:50:54 AM MST, Brian Cox via Personal_Submersibles <personal_submersibles@psubs.<br>
>> org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>> wrote:<br>
>><br>
>> Rick, I haven't, but my understanding is that just soap and<br>
>> water is sufficient. Using a dish washing liquid.<br>
>><br>
>> Brian<br>
>><br>
>> --- personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>><br>
>> wrote:<br>
>><br>
>> From: Rick Patton via Personal_Submersibles <personal_submersibles@psubs.<br>
>> org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> To: Personal Submersibles General Discussion <personal_submersibles@psubs.<br>
>> org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> Subject: Re: [PSUBS-MAILIST] Fw: Gamma<br>
>> Date: Sat, 11 Mar 2017 08:09:48 -1000<br>
>><br>
>> has anyone 02 cleaned the insides of tubes or fittings before using the<br>
>> solvent method?<br>
>><br>
>> Rick<br>
>><br>
>> On Sat, Mar 11, 2017 at 5:37 AM, Gregory Snyder via Personal_Submersibles<br>
>> <personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> wrote:<br>
>><br>
>> Indeed!!! Awesome boat!<br>
>><br>
>> On Mar 11, 2017, at 7:19 AM, hank pronk via Personal_Submersibles <personal_submersibles@psubs.<br>
>> org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>> wrote:<br>
>><br>
>> Thanks' guys, I am pretty pleased with how Gamma has turned out. I can<br>
>> not think of a single thin! g I want to do her now. I have always had a<br>
>> diesel engine in mind but that might have been a want, not a need.<br>
>> Hank<br>
>><br>
>><br>
>> On Friday, March 10, 2017 7:25 PM, Douglas Suhr via Personal_Submersibles<br>
>> <personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> wrote:<br>
>><br>
>><br>
>> Beautiful Hank! What a fine sub you've got there. ~ Doug S.<br>
>><br>
>><br>
>> On 3/10/17, Rick Patton via Personal_Submersibles<br>
>> <personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> wrote:<br>
>> > Lookin good Hank!<br>
>> ><br>
>> > Rick<br>
>> ><br>
>> > On Fri, Mar 10, 2017 at 1:58 PM, Alan via Personal_Submersibles <<br>
>> > personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> wrote:<br>
>> ><br>
>> >> Thanks Hank,<br>
>> >> I enjoy watching! the videos. All the best for the ensuing dive & look<br>
>><br>
>> >> forward<br>
>> >> to hearing the report.<br>
>> >> Alan<br>
>> >><br>
>> >> Sent from my iPad<br>
>> >><br>
>> >> On 11/03/2017, at 11:28 AM, hank pronk via Personal_Submersibles <<br>
>> >> personal_submersibles@psubs. org <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.<wbr>org</a>>><br>
>> wrote:<br>
>> >><br>
>> >> New video of arm assembly on Gamma.<br>
>> >> Hank<br>
>> >><br>
>> >><br>
>> >> On Friday, March 10, 2017 3:27 PM, xxx xxxxx <<a href="mailto:mp13@live.ca">mp13@live.ca</a>> wrote:<br>
>> >><br>
>> >><br>
>> >> <a href="https://www.youtube.com/watch" rel="noreferrer" target="_blank">https://www.youtube.com/watch</a>? v=S9HGAFanbNE<br>
>> <<a href="https://www.youtube.com/watch?v=S9HGAFanbNE" rel="noreferrer" target="_blank">https://www.youtube.com/<wbr>watch?v=S9HGAFanbNE</a>><br>
>> >> <Image 2017-03-10 at 3.27 PM.jpg><br>
>> >><br>
>> >><br>
>> >> <Image 2017-03-10 at 3.27 PM.jpg><br>
>> >! ><br>
>> >> ______________________________ _________________<br>
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>> >><br>
>> >><br>
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</blockquote></div></div>