[PSUBS-MAILIST] Deep Sea Challenger

[Pete Niedermayr via Personal_Submersibles]

Try this link

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On Thu, 12/25/14, Pete Niedermayr via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: Re: [PSUBS-MAILIST] Deep Sea Challenger
 To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
 Date: Thursday, December 25, 2014, 11:34 AM
 
 Pressure Hull
 The 43-in. Diameter x 2.5-in. thick pressure
 hull is fabricated from high tensile steel EN26, invented in
 the 1940s for use in large Howitzer-type gun barrels. It is
 an alloy similar to that used on DSV Trieste’s pressure
 hull in its 1960 deep dive
 
 https://www.oceannews.com/feature-story/2014
 --------------------------------------------
 On Thu, 12/25/14, swaters at waters-ks.com
 via Personal_Submersibles <personal_submersibles at psubs.org>
 wrote:
 
  Subject: Re:
 [PSUBS-MAILIST] Deep Sea Challenger
  To:
 "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
  Date: Thursday, December 25, 2014, 9:08 AM
  
  I have
  been
 trying to figure out what grade of steel it is. I
  figured it was titanium, but when I watched
 the documentary,
  they kept saying it was
 steel. My bust guess is it is
  HY-100?Merry
 Christmas,Scott
  Waters
  
  Sent
  from my U.S. Cellular®
 Smartphone
  
  --------
 Original message --------
  From: via
 Personal_Submersibles  
  Date:12/25/2014 
 6:32 AM  (GMT-07:00) 
  To: personal_submersibles at psubs.org
 
  Subject: Re: [PSUBS-MAILIST] Deep Sea
 Challenger 
  
  
  Merry Christmas, Scott,
   
  The 43" sphere is steel 2.5"
  thick.  I don't think they have 
  released any information on what grade steel
 was used. 
  They said a 
 
 cylinder would have had to be three times as thick to
  withstand the pressure, 
  but
 I don't know if that was based on 43". 
  -Jim T.
  
 
  
  
  In a message dated
 12/25/2014 12:27:52 A.M. Central
  Standard
 Time, 
  personal_submersibles at psubs.org
 writes:
  
    What
 kind of metal is the personel sphere made of on
  James Camerons deep 
    sea challenger sub?
    Thanks,
    Scott Waters
    
  
    
    Sent from my
 
 U.S. Cellular® 
    Smartphone
    
  
 
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