[PSUBS-MAILIST] motor electrical

Sun Sep 20 19:32:08 EDT 2020

 Brian, same thing happens with WD-40  so I used fuel line and that works.  I use vegetable oil also.Hank
    On Sunday, September 20, 2020, 5:24:07 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 I think I'm going to be changing my electrical motor connections around.  Going to a smaller gage wire (#6)  and changing my hose assembly to a much easier set up.  Also I have found that the mineral oil I've been using does not work well with certain types of tubing, especially vinyl tubing , it tends to make it very stiff and not flexible after time.  I think that was one reason I was having such a steering problem on my last outing.  Once I removed my supposedly flexible tubing I found that it was rock hard !   
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] motor electrical
Date: Sun, 20 Sep 2020 08:53:02 -0700

I actually found some nylon fittings that I'm going to try.  I should have gone with smaller gage wire :-)   
Brian

--- personal_submersibles at psubs.org wrote:

From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
To: "PSubs " <personal_submersibles at psubs.org>
Subject: [PSUBS-MAILIST] motor electrical
Date: Fri, 18 Sep 2020 20:27:09 -0700

Hi All,                  I recently had an issue with the electrical lines going to my motors .  I currently am using 1" flexible industrial grade hose (UV resistant) and running my heavy gage jacketed elec power lines to the motor thru these hose lines .   I have potted electrodes coming thru the hull in a separate fitting that is basically an insert into one of my viewport flanges.. And  i have the same type of thing going into the motor, which is potted into a 1" ss coupling which is welded to the motor pod  .  Then I fill the whole thing with mineral oil.  These lines meet at a slip coupling fitting so I can disconnect the motor at that point and take in to the shop and work on it , or so I can trade motors with a different one.   So I've been using pvc barbed 1" male fitting adapters to to screw into my motor fitting and the thru hull fitting,  Anyway it's looking like these pvc fitting are not up to the task as I had one break on me .  So now I need to replace these ,  I'd rather not use brass or ss just because I'm worried the cables are so tight that they might make contact and I'll have a short.  That's why I opted originally for the pvc.  Does anyone know of a really strong fitting I could use ?   
Brian
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