[PSUBS-MAILIST] data cable

Sun May 31 19:29:21 EDT 2020

Yeah I think sanding the PVC would be a must.
I just finished the 2" channel that secures the main ballast tank on the
front and back so now ready to weld on the L clips that attaches the
channel to the fiberglass. It's kind of funny but anybody that sees or
hears about this project always asked the same question,,,,,,When will it
be done? I'll bet that that is a standard question for everyone on the list
and my answer is always the same,,,,I don't know as I have never built one
before!

Rick

On Sun, May 31, 2020 at 1:02 PM Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Rick,
> You use a heat gun on it to cause it to set. I am not sure whether it's
> necessary or just speeds up the operation.
> I may have sanded the PVC first can't quite remember!
> Alan
>
> On 1/06/2020, at 10:03 AM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Thank Alan, I'll have a look at it. I know myself that PVC seems hard to
> adhere to so if it does, it's darn good stuff! When you say heat activated,
> do you apply heat to it to kick it off or it just creates heat on it's own
> once mixed?
>
> Rick
>
> On Sun, May 31, 2020 at 11:51 AM Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Rick,
>> I don't exactly know!
>> After googling & asking advice I bought a number of glues that were
>> supposed to be good for glueing PVC.
>> I did a number of glueing experiments & found I could peel the glue off
>> the
>> PVC with all products. I went to Lancer inflatables & asked them what they
>> used on their PVC boats & they sold me unmarked cans of a two pot heat
>> activated PVC adhesive. I think he said it was a 3M product.
>> It was fantastic, the PVC would tear rather than the glue peeling off.
>> Most wire jackets are PVC. I use PVC outside the hull & Teflon coated wire
>> Which is more fire resistant inside.
>> I looked at some professional rubber through hull fittings I had & saw
>> that they
>> had a thin layer of rubber vulcanised to about an inch up the jacket from
>> where the head of the fitting was. I am copying this by coating the
>> through hull
>> & the jacket of the wire with the PVC glue.
>> Doug Jackson did a series of videos on home made through hull fittings
>> where
>> he had failure after failure & this lead me to look in to it a bit more
>> deeply.
>> The water under pressure can squeeze between the insulation & wire, & the
>> epoxy it is imbedded in, but with a layer of PVC glue over everything it
>> can't.
>> I had success first test at 2000psi.
>> This looks a good product.
>> https://www.nrs.com/repair/stabond.asp
>> Any product they use on PVC inflatables should be good as it is water
>> resistant
>> as well as developed for PVC.
>> Cheers Alan
>>
>>
>>
>> On 31/05/2020, at 10:47 AM, Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>> Alan
>>
>> What is the name of that glue you use and where can i get it?
>>
>> Rick
>>
>> On Fri, May 29, 2020 at 7:43 PM Alan via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> Brian,
>>> I cover the insulation on the wires & the potting material with a PVC
>>> glue
>>> up to an inch from where it is potted. I use a 2 pot heat activated PVC
>>> glue
>>> that will tear the PVC before it peals off.
>>> Reason for this is water can force down between the PVC & the potting
>>> material.
>>> Alan
>>>
>>> On 30/05/2020, at 4:38 PM, Brian Cox via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>> Thanks,  or maybe just tin the wires with solder .  But I"ll look for
>>> solid .
>>>
>>> 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] data cable
>>> Date: Sat, 30 May 2020 01:24:15 +0000 (UTC)
>>>
>>> Brian, it the strands are solid core, you can strip off the insulation
>>> and then pot.  If the strands are multi wire then cut and sold in a section
>>> of solid wire to pot.
>>> Hank
>>>
>>> On Friday, May 29, 2020, 7:01:08 PM MDT, Brian Cox via
>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>
>>>
>>> Hi All,
>>>             What would be the best way for me to pot a cat5 ethernet
>>> cable?    Would the insulation need to be removed?
>>>
>>> Brian
>>>
>>>
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