[PSUBS-MAILIST] Group purchase of buoyancy foam?

Sun Jan 6 00:55:35 EST 2019

Sean

I'll keep looking for a single unit but like you say, I might just have to
use a short pipe nipple rated to take the pressure.
Rick

On Sat, Jan 5, 2019 at 7:40 AM Sean T. Stevenson via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> If you can't find a one piece CGA-540 (industrial oxygen) to CGA-850
> (SCUBA yoke) adapter, the other thing you might consider is using
> individual fittings (usually with NPT ports) with either a short whip or a
> pipe nipple between them.
>
> Sean
>
>
>
>
> -------- Original Message --------
> On Jan 4, 2019, 21:50, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>
> I need a CGA 540 female to go to the Male 02 threads on the bottle and the
> other side of the female would be a regular scuba tank valve.
> Rick
>
> On Fri, Jan 4, 2019 at 12:19 PM Sean T. Stevenson via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>> What exactly are you looking for? An adapter with CGA-540 male to a
>> CGA-850 post? Or a DIN 477 female port?
>>
>> Sean
>>
>>
>>
>> -------- Original Message --------
>> On Jan 4, 2019, 14:02, Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>
>> I bought two 02 cleaned first stage regs a while ago when I thought I was
>> going to be using aluminum 80,s but that turned out to be not doable where
>> I live so now going with my shop 125 cu ft 02 bottles so I have been
>> looking for a CGA adapter that goes from a CGA540 to a regular scuba valve
>> for my first stage. I found just what I was looking for on Amazon for a
>> very reasonable price but it said that they were out of them and not sure
>> if or when they would have any more. I kept looking but found nothing else.
>> Anyone have them and can tell me where to but them?
>> Rick
>>
>> On Thu, Jan 3, 2019 at 5:47 PM Alec Smyth via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> Ah, sorry about the unit typo - you are right of course its 15 lbs per
>>> cf. Its coming out of the standard block, but I'm not sure they're charging
>>> me for the whole of it. What they quoted me specifically was $1500 for four
>>> pieces 2.75x11x80. Maybe if we get the whole block the price doesn't go up,
>>> but I'll have to ask. No worries about the timeline, this is not at all
>>> urgent for me as the sub isn't going back in the water until the spring,
>>> and attaching these buoyancy blocks should be pretty straightforward. Let
>>> me know...
>>>
>>> Best,
>>> Alec
>>>
>>> On Thu, Jan 3, 2019 at 7:18 PM David Colombo via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>>> Hi Alec,
>>>> I think you mean 15#cft. To place the order, they would be cutting down
>>>> their standard block 10x24x100 to your required dimensions? I need to
>>>> figure out area amount I will need for my wings, but I think a block that
>>>> was 5.5x24x100 could work for me. I'm picking up some 36x48x96 blocks of
>>>> foam tonight to start the exoskeleton shaping.Once I have the rib form
>>>> assembles on the jig, I'll know for sure the volume I would need. What is
>>>> your time line to place the order?
>>>>
>>>> Best Regards,
>>>> David Colombo
>>>>
>>>> 804 College Ave
>>>> Santa Rosa, CA. 95404
>>>> (707) 536-1424
>>>> www.SeaQuestor.com
>>>>
>>>>
>>>>
>>>> On Thu, Jan 3, 2019 at 2:59 PM Alec Smyth via Personal_Submersibles <
>>>> personal_submersibles at psubs.org> wrote:
>>>>
>>>>> Hi Dave,
>>>>>
>>>>> I was thinking the 15 lb/ci one that goes to 700 feet uncoated. I’ve
>>>>> no idea the shipping cost, but hopefully they’d ship part of the order to
>>>>> me and part to you, which should be much cheaper than if I reshipped
>>>>> without access to commercial rates. Something I neglected to mention is
>>>>> that you don’t need to get your pieces in 2.75” thickness - it could be one
>>>>> piece 5.5” thick instead, which might give you some flexibility.
>>>>>
>>>>> Best,
>>>>>
>>>>> Alec
>>>>>
>>>>>
>>>>> On Jan 3, 2019, at 4:06 PM, David Colombo via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org> wrote:
>>>>>
>>>>> Hi Alec,
>>>>> Which density are you thinking? Also what would be the shipping cost
>>>>> be to California?
>>>>> Best Regards,
>>>>> David Colombo
>>>>>
>>>>> 804 College Ave
>>>>> Santa Rosa, CA. 95404
>>>>> (707) 536-1424
>>>>> www.SeaQuestor.com
>>>>>
>>>>>
>>>>>
>>>>> On Thu, Jan 3, 2019 at 8:44 AM Alec Smyth via Personal_Submersibles <
>>>>> personal_submersibles at psubs.org> wrote:
>>>>>
>>>>>> Hi guys,
>>>>>>
>>>>>> I want to add 120lbs of buoyancy for Shackleton for fresh water
>>>>>> operations, and am considering a material that is far cheaper than
>>>>>> syntactic foam:
>>>>>>
>>>>>>
>>>>>> https://www.generalplastics.com/products/r-3300?_vsrefdom=ppcgoogle&ex=ccfxuh-eep549-oi6d57&gclid=CjwKCAiAgrfhBRA3EiwAnfF4tguYtTnBvjnUAv6sLRpBMFLlhnHIu87eS-CqqhHoh6POiHTs9LEYWxoCGDoQAvD_BwE
>>>>>>
>>>>>> It comes in flat panels, available in several densities. It can be
>>>>>> cut, sanded, and used as is to the rated depth, but the depth rating
>>>>>> doubles if you coat it with epoxy paint. Here is an article describing its
>>>>>> application.
>>>>>>
>>>>>>
>>>>>> https://sea-technology.com/feature-article-low-density-polyurethane-foam-for-subsea-buoyancy-systems
>>>>>>
>>>>>> I just got off the phone with the vendor, discussing how my
>>>>>> dimensions can most efficiently come out of the standard sizes in which it
>>>>>> is produced, and the bottom line is that I would order two panels measuring
>>>>>> 80x11x2.75 inches. But here's the thing, they have a minimum order of
>>>>>> $1500, and that is reached by making it FOUR panels instead of my two.
>>>>>>
>>>>>> Would anyone be interested in joining me to make a joint purchase?
>>>>>>
>>>>>> Thanks,
>>>>>> Alec
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Personal_Submersibles mailing list
>>>>>> Personal_Submersibles at psubs.org
>>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>>
>>>>> _______________________________________________
>>>>> Personal_Submersibles mailing list
>>>>> Personal_Submersibles at psubs.org
>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>
>>>>> _______________________________________________
>>>>> Personal_Submersibles mailing list
>>>>> Personal_Submersibles at psubs.org
>>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>>
>>>> _______________________________________________
>>>> Personal_Submersibles mailing list
>>>> Personal_Submersibles at psubs.org
>>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>>
>>> _______________________________________________
>>> Personal_Submersibles mailing list
>>> Personal_Submersibles at psubs.org
>>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>>
>> _______________________________________________
>> Personal_Submersibles mailing list
>> Personal_Submersibles at psubs.org
>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>>
>> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20190105/cdfe6b03/attachment.html>