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Re: [PSUBS-MAILIST] elliptical heads



The FIRST saucer pressure hull was lost at sea, along with an expensive set of strain gauges. Sat 10 meters off the seabed at a thousand meters for over seven years before finally leaking down and settling into the grave.
Vance


-----Original Message-----
From: Jay K. Jeffries <bottomgun@mindspring.com>
To: personal_submersibles@psubs.org
Sent: Fri, Oct 23, 2009 10:17 pm
Subject: RE: [PSUBS-MAILIST] elliptical heads

Vance,
From a historical point, how many saucer-shaped submersibles were operational successful (and this is not to be negative on Frank’s extensive effort…I am praying that it is successful after all of his hard work)?  There is  Cousteau’s saucer (the 2nd saucer was last at sea) and the unsuccessful Boston effort the I am personally aware of.  Past history is not real supportive of saucer-shaped submersibles.
R/Jay
 
From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of vbra676539@aol.com
Sent: Friday, October 23, 2009 8:00 PM
To: personal_submersibles@psubs.org
Subject: [PSUBS-MAILIST] elliptical heads
 
Frank,
 
When you were looking for hull bits, did you find a fabricator who could and would do non-standard elliptic heads? I'm fiddlig with the old Diving Saucer shape, which was 1.5 meters by 2 meters, give or take an inch, and was 3/4" thick. I like the space and payload available with that shape. A 2:1 head gives you, what, four feet in height? I don't remember the thickness of your hull. What does the shell weigh and what depth are you figuring for test and operating?
 
Vance