[PSUBS-MAILIST] syntactic foam

[Sean T. Stevenson via Personal_Submersibles]

I was referring to Cliff's suggestion that you fabricate steel pressure vessels as permanent buoyancy, as opposed to using foam at all.

Sean


On November 16, 2015 5:56:58 PM MST, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Yes, trawl floats as Macro spheres.Hank 
>
>
>On Monday, November 16, 2015 5:36 PM, Sean T. Stevenson via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>   
>
>He might have been on to something wrt fabricating buoyancy
>vessels.Sean
>
>
>On November 16, 2015 5:19:13 PM MST, hank pronk via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Just had a look at Cliff's  PDF on Syntactic foam.   Wow very nice!
> and there is a cost breakdown I see.  It is much cheaper than buying
>but still twice the cost of trawl floats.  Hank 
>
>
>On Monday, November 16, 2015 5:05 PM, hank pronk via
>Personal_Submersibles<personal_submersibles at psubs.org> wrote:
>   
>
>Alan,Yes I could save a few bucks and look good at the same time :-)  I
>doubt I could make foam for less than trawl floats but maybe Cliff has
>a cost per lb buoyancy.   There is syntactic foam available that you
>mix together into your own mould also.  I am also still woking on the
>titanium spheres.   I have time to sort it out.Hank 
>
>
>On Monday, November 16, 2015 5:01 PM, Alan James via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>   
>
>Hank,you could go on a diet :)There is this pdf on making syntactic
>foam by Cliffhttp://www.psubs.org/design/PDF/SyntacticFoam.pdf
>I went to Alvins 50th Birthday party in New Orleans.They said the
>syntactic foam on it cost $3million. That included all the pressure
>testingof the individual segments.Alan
>From: hank pronk via Personal_Submersibles
><personal_submersibles at psubs.org>
>To: Personal Submersibles General
>Discussion<personal_submersibles at psubs.org> 
> Sent: Tuesday, November 17, 2015 12:39 PM
> Subject: [PSUBS-MAILIST] syntactic foam
>   
>Yikes! syntactic foam is costly.  Syntactic foam for 1,000M is 8
>dollars per pound buoyancy- trawl floats are 3 dollars per lb buoyancy.
>   I need almost 1,000 lbs buoyancy.Hank
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