[PSUBS-MAILIST] electro plating

Marc de Piolenc via Personal_Submersibles personal_submersibles at psubs.org
Thu Dec 31 11:25:44 EST 2015 

Good to know somebody is still doing it. I used to see the ads in 
Popular Mechanics all the time, thirty years ago.

Marc

On 12/31/2015 11:31 PM, hank pronk via Personal_Submersibles wrote:
> Hi Mark,
> Thanks for the idea- there is a good video on youtube out of China about
> that process, and it works well.
> Hank
>
>
> On Thursday, December 31, 2015 6:43 AM, Marc de Piolenc via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> There might be an easier way. Some time ago a company sold an
> electroplating kit in which the workpiece did not have to be submerged
> in a container of electrolyte. Instead, the electrolyte was carried on a
> metal brush which was one of the electrodes, and simply plated over from
> the brush to the workpiece. This was primarily for retouching old
> plating jobs, like re-chroming a scratch on a bumper, but...
>
> Might be worth a try.
>
> Marc
>
> On 12/31/2015 9:26 PM, hank pronk via Personal_Submersibles wrote:
>  > Brian,
>  > Gamma came with cork gaskets from the factory.  I remember how to
>  > electroplate from school science class.  Yes I will hang the sub upside
>  > down in a shallow vat with a solution for copper plating then clean and
>  > do the same for nickel.  There are youtube video's that show it real
>  > well.  My wife is watching for pre 1982 Canadian nickels at the bank
>  > because they are 99.97 percent pure nickel and will be the donor
>  > material for plating.
>  > I am not crome plating a Harly Davidson here, just looking for an easy
>  >  corrosion barrier, it will be fun to try :-)
>  > Hank
>  >
>  >
>  > On Thursday, December 31, 2015 3:01 AM, James Frankland via
>  > Personal_Submersibles <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>> wrote:
>  >
>  >
>  > Hi Brian,
>  > Hank has already said it but the epdm doesn't seem so good.  I went with
>  > it because that's what it said in the Stachiw book.  I tested my dome to
>  > 60 meters (200 feet) and although I couldn't see it, the rubber had
>  > obviously extruded quite a lot due to the amount of silicone squeezed
>  > out.  Also, on my forward main tank, I have "windows" that are mounted
>  > on epdm seats.  They are not pressure windows, just covers but they
>  > still need to seal the main tank.  When I tighten the 8 bolts, the epdm
>  > extrudes maybe up to 5mm in places and I have to go around and trim it
>  > off.  And they leaked before I sealed them permanently with sikaflex.
>  > Hank tested the neoprene\cork blend I sent him and it tested out much
>  > better.  Im changing my dome mount to have that instead.
>  > Perhaps if you used a harder EPDM it might be ok?  The one I have is 70
>  > shore.
>  > I think a lot of people just sit the acrylic straight on the seat as
>  > well.  I would probably just do that now with my dome, but I cannot as
>  > the retaining ring seal is designed for the 1mm gasket underneath.  I am
>  > changing the seat for 1mm neoprene\cork gasket in a few weeks time.
>  > Kind Regards
>  > James
>  >
>  > On 31 December 2015 at 02:27, Brian Cox via Personal_Submersibles
>  > <personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org>
>  > <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>> wrote:
>  >
>  >    I think you're the only one who uses cork,  Stachiw shows "rubber"
>  >    and I've seen many subs with rubber products,  I'll just have to
>  >    find a gnarly glue, I think silicone might work.    How do you know
>  >    how to do electroplating?  don't you have to dip the whole thing
>  >    into a solution and then run a current through it?
>  >    Brian
>  >
>  >    --- personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>> wrote:
>  >
>  >    From: hank pronk via Personal_Submersibles
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    To: Personal Submersibles General Discussion
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    Subject: Re: [PSUBS-MAILIST] electro plating
>  >    Date: Wed, 30 Dec 2015 22:43:28 +0000 (UTC)
>  >
>  >    Brian,
>  >    I tested EPDM in my port test chamber with contact cement and it
>  >    extruded, rubber extrudes man.  Gamma has cork
>  >    Hank
>  >
>  >
>  >    On Wednesday, December 30, 2015 3:29 PM, Brian Cox via
>  >    Personal_Submersibles <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>> wrote:
>  >
>  >
>  >    Oh, pg 237 :  To minimize lateral extrusion under compression they
>  >    should be securely bonded with contact cement to the bearing support
>  >    seat in the flange.
>  >    Brian Cox
>  >
>  >    --- personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>> wrote:
>  >
>  >    From: Brian Cox via Personal_Submersibles
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    To: "Personal Submersibles General Discussion"
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    Subject: Re: [PSUBS-MAILIST] electro plating
>  >    Date: Wed, 30 Dec 2015 14:23:28 -0800
>  >
>  >    Hank,
>  >                  I don't remember anything in the Stachiw book about an
>  >    extruding problem, I'll have to check again.  They designate
>  >    various gasket material and thickness, and they call for neoprene,
>  >    and some others, I'm using EPDM.
>  >    Brian
>  >
>  >    --- personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>> wrote:
>  >
>  >    From: hank pronk via Personal_Submersibles
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    To: Personal Submersibles General Discussion
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    Subject: Re: [PSUBS-MAILIST] electro plating
>  >    Date: Wed, 30 Dec 2015 21:51:36 +0000 (UTC)
>  >
>  >    Hi Brian,
>  >    Yes I could overlay weld ss, but that is a ton of work compared to
>  >    electroplating.
>  >    Yes your Gasket will extrude if you use rubber.  I just did some
>  >    compression testing for a Psub member with cork he supplied.  The
>  >    cork compresses .03 inch  and stays compressed and does not extrude.
>  >        I tested the cork material to 1,555 psi.
>  >    Hank
>  >
>  >
>  >    On Wednesday, December 30, 2015 11:52 AM, Brian Cox via
>  >    Personal_Submersibles <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>> wrote:
>  >
>  >
>  >    You could lay some stainless weld over the entire area and then
>  >    machine it flat.
>  >    Brian Cox
>  >
>  >    --- personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>> wrote:
>  >
>  >    From: hank pronk via Personal_Submersibles
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    To: Personal Submersibles General Discussion
>  >    <personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>
>  >    <mailto:personal_submersibles at psubs.org
> <mailto:personal_submersibles at psubs.org>>>
>  >    Subject: [PSUBS-MAILIST] electro plating
>  >    Date: Wed, 30 Dec 2015 13:45:03 +0000 (UTC)
>  >
>  >    Hi All,
>  >    Has anyone looked at electro plating a hatch and land mating
>  >    surface.  That is my plan, first copper, then nickel.  I can do it
>  >    myself at home.
>  >    Hank
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