<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Hi Sean,</div><div>it was clear vinyl tube 16mm OD. Attached to an anodised barb fitting.</div><div>Maybe I should have used two crimp fittings. </div><div>I just used a heat gun on some tube & you can get it quite soft. I am</div><div>thinking that crimping or tightening a hose clamp on it while it's soft</div><div>may be an advantage.</div><div>There was no overpressure in the system as would be happening if it was </div><div>on a sub.</div><div>Alan</div><div><br>On 11/04/2020, at 10:26 AM, Sean T. Stevenson via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div>What is the tube size and material, and nature of the mating nozzle?<br><br>Sean<br>-------- Original Message --------<br>On Apr. 10, 2020, 15:52, Alan via Personal_Submersibles < <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<blockquote class="protonmail_quote"><br><p dir="ltr">Moved my motor last night & found silicone oil had come out<br>
through my hose attachment.<br>
I am using a 5 cst silicone so hard to contain. It's a little bit like a penetrating oil.<br>
From the photo you can see I used an undersized tube to give a really tight<br>
fit on the thruster nozzle & used a crimp fitting which I thought would be more<br>
substantial than a hose clamp.<br>
Wondering if I should have gone for a larger tube & wrapped the nozzle with<br>
sealing tape, or covered the nozzle with some sort of sealing compound before<br>
attaching the hose. Or possibly go for a threaded nozzle & use a hydraulic hose.<br>
Another idea I'm thinking of is to put an additional hose clamp on it but put a heat<br>
Gun on the tube prior to tightening to get the tube soft to mold in to any recesses.<br>
Any thoughts or alternative suggestions?<br>
Alan<br></p>
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