[PSUBS-MAILIST] 12'' Pipe coupling

Thu Mar 19 17:23:18 EDT 2015

If it can get here to Guernsey it can get anywhere..!

On 19 March 2015 at 18:31, Rick Patton via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Thanks Glen, my postings used to always come back to me when it is sent
> out to the group but it isn't doing that anymore plus I didn't receive any
> responses so was just curious.
>
> Thanks
>
> Rick
>
> On Thu, Mar 19, 2015 at 7:26 AM, glen brown via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Hi Rick got your message in South Africa.
>> Regards Glen
>>
>> On Thu, Mar 19, 2015 at 7:20 PM, Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> I have posted a couple of messages over the last few weeks and it
>>> doesn't seem to go threw. Not sure if this will either. I tried sending Jon
>>> an email at jonw at psubs.org and it came back. Let me know if anyone gets
>>> this.
>>>
>>> Rick
>>>
>>> On Thu, Mar 19, 2015 at 12:38 AM, glen brown via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>>> Thanks James
>>>> You got me thinking ,maybe a sleeve with 4 o rings that can just slide
>>>> over with something that can keep it in position.
>>>>
>>>> Glen
>>>>
>>>> On Thu, Mar 19, 2015 at 11:47 AM, James Frankland via
>>>> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>>
>>>>> Hi Glen,
>>>>> I think it looks like a good idea.  A bit of extra security on the
>>>>> seal.  I cocked up making that seal as per the plans so did mine a
>>>>> different way.  However, I was never keen on the original design anyway.  I
>>>>> believe George had at least one battery pod flood at some point.
>>>>>
>>>>> You could even maybe make your own version of that coupling.  A ring
>>>>> of rubber say 2" wide covering the joint with a suitably made stainless
>>>>> ring cramped over it.  Would be easy to make.  You could even maybe use a
>>>>> piece of rubber cut from an old inner tube and stretched over.  Not very
>>>>> sophisticated but would probably work and cheaper?  Also there wouldn't be
>>>>> anywhere for water to collect and there would be no metal contact to rub
>>>>> your paint off.  Just a thought.
>>>>>
>>>>> Kind Regards
>>>>> James
>>>>>
>>>>>
>>>>>
>>>>> On 19 March 2015 at 09:30, Alan James via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org> wrote:
>>>>>
>>>>>> That's OK, sorry I wasn't much help.
>>>>>> I have book marked this site
>>>>>>
>>>>>> http://prevco.com/products/subsea-housings/seal-configuration/single-face-seal
>>>>>> They are experts in sealing underwater housings. There are several
>>>>>> examples
>>>>>> of sealing methods, & their pros & cons are discussed.
>>>>>> Alan
>>>>>>
>>>>>>   ------------------------------
>>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *To:* Personal Submersibles General Discussion <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *Sent:* Thursday, March 19, 2015 9:04 PM
>>>>>>
>>>>>> *Subject:* Re: [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>>
>>>>>> thanks for the input Alan
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Mar 18, 2015 at 9:52 PM, glen brown <gbrown091 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>> I think they would work better externally Alan the wet switches are a
>>>>>> must ,but I must admit the pod seal arrangement gives me sleepless
>>>>>> nights.I have also just cut my CT off and re mated the hatch and re
>>>>>> cut the o ring groove to hold a 9 mm od o ring. Maybe I am getting a bit
>>>>>> paranoid. As to the cricket looking good, do the Americans actually play
>>>>>> unprotected sport?
>>>>>>
>>>>>> On Wed, Mar 18, 2015 at 9:24 PM, Alan James via Personal_Submersibles
>>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>>
>>>>>> Another thought Glen,
>>>>>> those seals for pipes would be designed for internal pressure.
>>>>>> Are they OK for external also?
>>>>>> Alan
>>>>>>
>>>>>>
>>>>>>   ------------------------------
>>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *To:* Personal Submersibles General Discussion <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *Sent:* Thursday, March 19, 2015 7:40 AM
>>>>>> *Subject:* Re: [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>>
>>>>>> Alan
>>>>>> Its 316 ss ,I was thinking of assembling with grease there is more
>>>>>> than enough space to fit it ,you get some of the fittings with triple
>>>>>> seals up to 2000 psi
>>>>>> Glen.
>>>>>>
>>>>>>
>>>>>> On Wed, Mar 18, 2015 at 8:13 PM, Alan James via Personal_Submersibles
>>>>>> <personal_submersibles at psubs.org> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Glen,
>>>>>> as long as salt water doesn't sit in it after a dive
>>>>>> & cause corrosion. ( I suspect it must) Or clamping it on doesn't
>>>>>> wear in to your paint work & expose the metal
>>>>>> also to corrosion.
>>>>>> Alan
>>>>>>
>>>>>>
>>>>>>   ------------------------------
>>>>>>  *From:* glen brown via Personal_Submersibles <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *To:* Personal Submersibles General Discussion <
>>>>>> personal_submersibles at psubs.org>
>>>>>> *Sent:* Thursday, March 19, 2015 6:58 AM
>>>>>> *Subject:* [PSUBS-MAILIST] 12'' Pipe coupling
>>>>>>
>>>>>> I am planing on as an "extra safety" for my K350 B pods end caps
>>>>>> ,covering the join between the end caps and the pod with a hp pipe join
>>>>>> coupling.
>>>>>>
>>>>>> Any comments most welcome.
>>>>>>  Glen
>>>>>>
>>>>>>
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>>>>>
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