[PSUBS-MAILIST] Group purchase of buoyancy foam?

Fri Jan 4 17:18:15 EST 2019

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 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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>>>>
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