<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"Helvetica Neue";}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0cm;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks Keith,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Interesting.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You are now on my list of people to call.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hugh<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>k6fee via Personal_Submersibles<br><b>Sent:</b> Friday, 23 June 2017 1:29 PM<br><b>To:</b> Personal Submersibles General Discussion<br><b>Subject:</b> Re: [PSUBS-MAILIST] Pressure Test Chamber<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Just to give a fuller picture of Diesel engine compression, typical pressures at TDC run 470-500 psi ( with 22 to 1 compression ratio). The air compressed being 800 - 1000 degrees F depending on humidity, altitude, etc.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Keith T. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div id="composer_signature"><div><p class=MsoNormal><span style='font-size:10.0pt;color:#575757'>Sent from my Verizon, Samsung Galaxy smartphone<o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><span style='color:black'>-------- Original message --------<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>From: Stephen Fordyce via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Date: 6/22/17 6:00 PM (GMT-08:00) <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Subject: Re: [PSUBS-MAILIST] Pressure Test Chamber <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div></div><div><div><p class=MsoNormal>Hi Hugh,<o:p></o:p></p></div><div><p class=MsoNormal>Thanks for taking the time to respond in detail (including on the diesel engine example - I see now it's still a relatively low compression ratio). Fair enough - take-home message is that high temperatures can be generated with only moderate pressures.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I couldn't agree more about the mix of people on this list - I've always been impressed with the variety of skills and knowledge they bring together, what they turn into reality, and (on a sober note) how few incidents there are.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal>Steve<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Fri, Jun 23, 2017 at 8:38 AM, Hugh Fulton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><img border=0 width=669 height=555 id="m_-5137986117835140026Picture_x0020_1" src="cid:image001.png@01D2EC0C.DC6D77D0"><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank">personal_submersibles-bounces@psubs.org</a>] <b>On Behalf Of </b>James Frankland via Personal_Submersibles<br><b>Sent:</b> Friday, 23 June 2017 3:14 AM</span><o:p></o:p></p><div><div><p class=MsoNormal><b>To:</b> Personal Submersibles General Discussion<br><b>Subject:</b> Re: [PSUBS-MAILIST] Pressure Test Chamber<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I think ive got some of those DK-lok fittings somewhere. I don't think on the HP system as I used parker and Swagelok for those, but im going to track them down now.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On 22 June 2017 at 00:15, Hugh Fulton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Alan,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We have a pressure tester that goes up to 40,000 psi. If you need to do a high pressure test we can assist.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We had an explosion with a 1” line that was pressurised with 3,500 psi air but there was oil left in the line after hydrotesting with oil.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The explosion blew out the side of the shed and reached an estimated 25,000 psi in the pipes which ended up looking like Spaghetti.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I had explained in detail to the guy who did the fitting of the pipes that everything had to be taken apart after the hydrotest and cleaned using solvent, then soapy water etc. as well as telling him stories of explosions.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The guy, an aircraft engineer, did not do it properly and left oil in a branch tube, and I did not do a check on it. Very lucky my son did not get killed as he opened the valve doing tests. These things do not just go pop when they fail and this forum needs to hear of these dangers. The explosion was heard all round Clevedon. That was our first accident of that nature in 40 years of high pressure involvement. We only use water now for testing and make sure there is no air present. We did have another incident when we hired out our tester to another company who tested a tank to 1500 psi and the sight glass was held in with a very fine thread. The sight glass went through the roof iron along with the fittings and we never found the parts. The inspector had looked in the sight glass about 20 seconds before it let go. If you are using tube fittings always disassemble after swaging and check the ferrules are in the right way and that a proper joint has been achieved. There are some fittings which are copies and not up to the job. We had issues with “DK-lok” (from Korea) with NPT threads where the taper was ½ the required taper but the thread gauge said it was OK. They were also not full form threads. Also had some fittings called “Tubefit” from I don’t know where and they were poor copies of “Swagelok”. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We use SSP fittings out of USA which are fully interchangeable with Swagelok but in my opinion they are better quality. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Air from a scuba tank over water is OK but make sure you have a concrete wall between you and the thing to be tested. Also you should have an excess flow valve in the line. You can get those from Swagelok etc.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hugh</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentColor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank">personal_submersibles-bounces@psubs.org</a>] <b>On Behalf Of </b>Alan via Personal_Submersibles<br><b>Sent:</b> Wednesday, 21 June 2017 5:58 PM<br><b>To:</b> Personal Submersibles General Discussion<br><b>Subject:</b> Re: [PSUBS-MAILIST] Pressure Test Chamber</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks Greg & Hugh,<o:p></o:p></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>there was a bit of doubt in my mind about it so mentioned my<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>intended process. I have just googled accumulators in hydraulic systems<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>& the danger of high pressure air! Yikes just as well I've got you guys<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>looking out for me.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What about air from the scuba tank pressurising water?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I can get all the air out of the test chamber apart from the air in<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>the line pressurising it!<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Other than that I have done some previous tests with the water blaster<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>& may have to suffice with it's pressure!<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cheers Alan<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Sent from my iPad<o:p></o:p></p></div></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>On 21/06/2017, at 3:33 PM, james cottrell via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3735"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Alan,</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3749"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3751"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Pressure testing that high needs to be done with liquid not gas. High pressure air is VERY dangerous. A pressure washer pump using water would be a safer choice.</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3779"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3778"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Greg</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3719"><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3771"><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3770"><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3769"><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3775"><div class=MsoNormal align=center style='text-align:center;background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><hr size=1 width="100%" align=center></span></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br><b>To:</b> <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a> <br><b>Sent:</b> Tuesday, June 20, 2017 9:01 PM<br><b>Subject:</b> [PSUBS-MAILIST] Pressure Test Chamber</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3768"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'> </span><o:p></o:p></p><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3774"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>I am making a plastic container to fill with water & stand inside my</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>pressure chamber. There is a gap between the wall of the container</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>& the chamber which I intend to fill with oil. There will be about an</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3773"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>inch of air at the top of the chamber & I'm using a scuba tank to</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3772"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>pressurise the unit up to 3000psi.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>Will car engine oil do to fill the gap between my plastic container &</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>the chamber wall, or do I need to go with a hydraulic fluid.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>Am using the plastic container to keep water from rusting my test</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>chamber. (Aussie Steve's idea)</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>Cheers Alan</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>Sent from my iPad</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>_______________________________________________</span><o:p></o:p></p></div><div id="m_-5137986117835140026m_752652424865106911yui_3_16_0_ym19_1_1498015667083_3780"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'>Personal_Submersibles mailing list</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white'><span style='font-family:"Helvetica Neue";color:black'><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;background:white'><span style='font-family:"Helvetica Neue";color:black'> </span><o:p></o:p></p></div></div></div></div></div><div id="m_-5137986117835140026m_752652424865106911DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><table class=MsoNormalTable border=1 cellpadding=0 style='border:none;border-top:solid windowtext 1.0pt;border-color:currentColor'><tr><td width=55 style='width:41.25pt;padding:9.75pt .75pt .75pt .75pt;border:currentColor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon" target="_blank"><span style='text-decoration:none'><img border=0 width=46 height=29 id="m_-5137986117835140026m_752652424865106911_x005f_x0000_i1026" src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repeat-v1.gif"></span></a><o:p></o:p></p></td><td width=470 style='width:352.5pt;padding:9.0pt .75pt .75pt .75pt;border:currentColor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:13.5pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#41424E'>Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link" target="_blank"><span style='color:#4453EA'>www.avast.com</span></a> </span><o:p></o:p></p></td></tr></table></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></p></div></blockquote></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.org</a><o:p></o:p></p></div></div></div></div></div></div></div></div></div></body></html>