[PSUBS-MAILIST] Oil expansion

[Alan via Personal_Submersibles]

Brian,
I wasn't thinking of it sitting in the yard!
If you were leaving the tube open, you could just tape a plastic bag around
the top during storage. There are probably hundreds of flexible items
that would be suitable for a permanent solution if you didn't need 
Over pressure, just make sure they are compatible with WD40.
I don't think the regulator would be an option for storage as it relies on air 
pressure from the tanks; unless you want to keep them on your sub with open 
valves.
Alan


> On 4/06/2019, at 11:14 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hank,   I think in your situation where it's really cold you have less of a problem.  I have two things working against me , I have a very large volume of oil (wd40) and we have some pretty significant temperature swings here ( from 40F to 90F+)  So when my sub sits out in my yard the oil starts creeping up the expansion hose.    
> 
> Alan,   That sounds like it could be an option for me.  I'll have to check that out.
> 
>  What I'm thinking about doing in the meantime is running a hose up from the motor and then and then down to the bottom of the sub and just leave it open.   And I might put a  large diameter pvc pipe ( 1 1/2" )  at the bottom .
> 
> Brian
> 
> 
> 
> --- personal_submersibles at psubs.org wrote:
> 
> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Oil expansion
> Date: Mon, 3 Jun 2019 21:37:38 +0000 (UTC)
> 
> Brian,
> Have two oil filled motors on Gamma for vertical thrusters.  I fill them put in the plug and forget about them.  In the fall I drain the oil and refill in the spring.  KISS they work perfectly for years now.
> Hank
> 
> On Monday, June 3, 2019, 2:41:56 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hi All,
>                What is everybody doing to allow for expansion and contraction of their oil filled motors?  
> 
> Brian
> 
> 
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