[PSUBS-MAILIST] compensating oil

Tue Nov 22 12:49:56 EST 2016

Brian,No clue, I can't see it being much, certainly not enough to be an issue with a membrane a few inches across.Hank 

    On Tuesday, November 22, 2016 10:06 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Hank,   How much expansion volume have you observed after running your motors?    Brian

--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] compensating oil
Date: Tue, 22 Nov 2016 16:47:26 +0000 (UTC)

Brian,  Just make a flat spot on you housing that you can bolt a rubber membrane too.  A piece of inner tube works.  Hank 

    On Tuesday, November 22, 2016 9:36 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 I was planning on running a line from my motor pod ( filled with oil) up to a small scuba tank.  I would have a small volume of air before the scuba tank as a place for the oil to go when it expands with the heat generated.  So in other words the whole system would be close so no oil can escape into the water.  I imagine there will be some pressure build up as the air compresses into the scuba tank but not too much.  Does anyone have a similar system ?  Brian 

--- personal_submersibles at psubs.org wrote:

From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] compensating oil
Date: Mon, 21 Nov 2016 08:35:29 -0800

Looks like the Shell product is the Diala S2 ZX - A , is the only one available in the US.    unfortunately it is only available in 55 gal drums.  it has a viscosity of 9 at 40C   not sure what kind of units that would be.    Brian

--- personal_submersibles at psubs.org wrote:

From: "Sean T. Stevenson via Personal_Submersibles" <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] compensating oil
Date: Sun, 20 Nov 2016 17:07:21 -0700

For compensating electrically energized equipment, you want to look at the Shell Diala, or ExxonMobil Voltesso oils.Sean

On November 20, 2016 4:34:44 PM MST, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
Brian,couldn't find my receipt, but Googled & this Californian companysells it at $94- for 5 gallons.SHELL MORLINA OIL S2 BL 10 - Buy Online Now! SHELL MORLINA OIL S2 ...Alan

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SHELL MORLINA OIL S2 BL 10 - Buy Online Now! SHELL MORLINA OIL S2 ...
 SHELL MORLINA OIL S2 BL 10 is Sold in Small and Large Volumes at Mil-SpecProducts.com. Shell Morlina S2 BL oils ...  |  |

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 From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Monday, November 21, 2016 12:14 PM
 Subject: Re: [PSUBS-MAILIST] compensating oil

Alan,    How much is that stuff?    Are you using it for motors as well? Brian
--- personal_submersibles at psubs.org wrote:

From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] compensating oil
Date: Sun, 20 Nov 2016 04:55:34 +0000 (UTC)

Brian,I havebeen using this..http://www.dayanoilco.com/upload/product/1451803631.pdfShell morlina S2 BL 10I consulted with a technician who suggested this for my application.It's a 10cst oil. If you go too low in viscosity you shorten the lifeof your bearings.Alan

      From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
 To: PSubs <personal_submersibles at psubs.org> 
 Sent: Sunday, November 20, 2016 8:49 AM
 Subject: [PSUBS-MAILIST] compensating oil

Hi All,               I know this subject has been thoroughly discussed but what would be a good oil to put in my motor pod?  Is there something about transmission fluid that would be bad?  What about hydraulic fluid?  or a light oil like a 0 - 20weight? Thanks,  Brian 
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