[PSUBS-MAILIST] Group purchase of buoyancy foam?

Fri Jan 4 23:50:27 EST 2019

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
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>> Personal_Submersibles at psubs.org
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>>>>>
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