[PSUBS-MAILIST] Fw:

Tue Aug 18 21:11:37 EDT 2015

Hi Hugh,Funny you mention that, I happen to have two NG tanks I found at the dump.  Man are they heavy, it was a grunt to load them by myself.  I am worried about the material and welding them.  My feeling is they might be hard to weld safely.  At least with my welding knowledge.    Your right they would make a nice chamber though.  I am picking up my Perry thrusters in the USA on Friday and will give my chamber a go on the weekend.  Hank 

     On Tuesday, August 18, 2015 5:57 PM, Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 #yiv5178666564 #yiv5178666564 -- _filtered #yiv5178666564 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} _filtered #yiv5178666564 {font-family:Tahoma;panose-1:2 11 6 4 3 5 4 4 2 4;} _filtered #yiv5178666564 {}#yiv5178666564 #yiv5178666564 p.yiv5178666564MsoNormal, #yiv5178666564 li.yiv5178666564MsoNormal, #yiv5178666564 div.yiv5178666564MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;}#yiv5178666564 a:link, #yiv5178666564 span.yiv5178666564MsoHyperlink {color:blue;text-decoration:underline;}#yiv5178666564 a:visited, #yiv5178666564 span.yiv5178666564MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv5178666564 p.yiv5178666564MsoAcetate, #yiv5178666564 li.yiv5178666564MsoAcetate, #yiv5178666564 div.yiv5178666564MsoAcetate {margin:0cm;margin-bottom:.0001pt;font-size:8.0pt;}#yiv5178666564 span.yiv5178666564EmailStyle17 {color:#1F497D;}#yiv5178666564 span.yiv5178666564BalloonTextChar {}#yiv5178666564 .yiv5178666564MsoChpDefault {font-size:10.0pt;} _filtered #yiv5178666564 {margin:72.0pt 72.0pt 72.0pt 72.0pt;}#yiv5178666564 div.yiv5178666564WordSection1 {}#yiv5178666564 Hi Hank,Have a look for some steel NGV (natural gas Vehicle) or CNG  cylinders.  They are rated for 3000 psi generally and there are bound to be some at some scrappy’s yard.  If you can get a 70 litre or such then chop off the top and weld a couple of plates on.  They are at least 10” inside diameter.  I have a couple marked for test chambers.  Good for at least 5000 ft depth test pressure.  Hugh    From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of hank pronk via Personal_Submersibles
Sent: Wednesday, 19 August 2015 11:05 a.m.
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] Fw:  Nice thing about big hydraulic cylinders, they are cheap because they are impractical for most things.I think I will add electric penetrators so I can test thrusters while they are running.Hank    On Tuesday, August 18, 2015 4:53 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  Good improvisation Hank,would not have thought of using a hydraulic cylinder.Will keep an eye out for one.Alan  From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Wednesday, August 19, 2015 7:33 AM
Subject: [PSUBS-MAILIST] Fw:  Today I had some time to kill, so I built a pressure chamber big enough to fit a thruster.  I can fit 6 by 20 inches up to 2,000 psi.  The chamber was a hydraulic cylinder from a crane and is surprisingly  light.  Next time I have my pressure washer running I will wash it and paint it up nice.  I just have to un-screw the top to open it up.HankOn Tuesday, August 18, 2015 1:27 PM, xxx xxxxx <mp13 at live.ca> wrote:    
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