[PSUBS-MAILIST] elec thru hulls

[James Frankland via Personal_Submersibles]

Brian.  I would suggest threading for the reason Hank says, but also so you
can screw on the wire connections with nuts and washers.  Soldering onto
those thick copper rods is difficult and if you've potted them first, you
risk breaking out the epoxy with the heat.  Or solder the wires to the rods
before potting.  I didn't of course and had to break the whole lot out and
start again.  In fact I think I must have made almost everything on my sub
twice.  :)



On 23 January 2017 at 15:53, Brian Cox via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hank,  Do you put a proper thread through the entire length or just a cut
> that is not intended to have a threaded bolt go thru ?
>
> 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] elec thru hulls
> Date: Mon, 23 Jan 2017 15:20:35 +0000 (UTC)
>
> Brian,
> Those look very nice, and you will enjoy filling them with epoxy with such
> a big throat.  I have to use a syringe in some cases.  The only critique I
> could have is, I always thread the inside of my penetrators.  I have no
> idea if it matters, but my theory is, the water has a tougher journey to
> make going over threads and the epoxy has more surface area to grab.
> Hank
>
>
> On Monday, January 23, 2017 1:08 AM, Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>
> Hi Brian,
> I am not an expert, but I use a small gas torch on the heavy stuff.
> Just heat the rod & wire up well first. Hank or someone else with
> experience
> might want to comment, but I would wind the wire around the rod &
> solder it then cut back any excess wire sticking up after soldering.
> Alan
>
>
>
> Sent from my iPad
>
> On 23/01/2017, at 8:07 PM, Brian Cox via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hi Alan,       There is a larger diameter bore on the ocean side yes, goes
> from 1 5/32 down to 7/8" .   I'm going to run the wires thru a vinyl tube
> filled with oil .   I think I'm going to need a heavy duty soldering iron
> to solder the # 5 wire to the 3/16" solid rod however!  Not sure
> if my little iron is up to the job !
>
> 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] elec thru hulls
> Date: Mon, 23 Jan 2017 03:32:18 +0000 (UTC)
>
> Very good Brian.
> Is there a step or cone shape in the seaward side of the through-hull to
> key in the potting mix? Also how are you coating the wiring coming in to
> the through-hull.
> Cheers Alan
>
>
> ------------------------------
> *From:* Brian Cox via Personal_Submersibles <personal_submersibles at psubs.
> org>
> *To:* PSubs <personal_submersibles at psubs.org>
> *Sent:* Monday, January 23, 2017 3:38 PM
> *Subject:* [PSUBS-MAILIST] elec thru hulls
>
> Hi All,
>                 Been working on my electrical thru hull penetrators.  I'm
> going to have three 3/16" copper conductors going through them.  I still
> need to pot the conductors in.  They are going through a 1 1/2"  aluminum
> disk which is exactly the same size as my acrylic viewport .
>
> Here's a pic:
>
> Cheers,
>
> Brian
>
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