[PSUBS-MAILIST] inexpensive buoyancy

[hank pronk via Personal_Submersibles]

 Alan,Yes the tanks are well protected in an aluminum frame and then covered by cowls.  There tanks are indestructible, they are mounted to cars and trucks and they are very close to new and in new condition.  I think they are close to 2 inches thick.Hank
    On Friday, July 13, 2018, 2:54:47 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank,will they be well protected against collision?From memory G.L. don't want you to have any external pods that cancause a catastrophic situation if they fail. I.e. if your battery pod failsyou should have a large enough drop weight to counter it.Did you consider going for a number of smaller cylinders, as 600lbflotation is a lot to counter if one was ruptured.Cheers Alan



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On 14/07/2018, at 6:09 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


Hi all,  I bought two 3,600 psi carbon fibre CNG tanks yesterday that are certified until 2032  to provide buoyancy for E3000.   I am encouraged by the use of carbon fibre in Ocean Gates new sub.  I bought them on Ebay of coarse, so I saved thousands of dollars.  I am getting 1260 lbs NET buoyancy for 1,90 dollars per lb  This increased amount of buoyancy will allow me to make E3000 a two person sub.  The added benefit will be increased stability and improved transitioning from surfaced to submerged.  The original added buoyancy requirement was 550 lbs, so you can see the benefits to having 1260 lbs to work with.Hank

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