[PSUBS-MAILIST] Diameter Size

["tarekharb harb" <tarekharb_h@hotmail.com>]

Hi All
   I will be building a Cylindrical shaped sub with a hemi-shpere at the 
front end.  The dimensions of the sub will be as follows and I just want 
your opinion guys.

  Length =    3 meters
  Diameter =  1.3 meters
  Steel thickness = 1 cm

  I am concerned about two things.  First are 1.3 meters for the Diameter 
of the sub is Practical, to drive, to take pics, to use a manipulator etc..  
Or is that going to make things awkward to the occupant?

Second, I want to dive as deep as 100 meters, but I will be testing it at 
300 meters.  So is the 1 cm thickness of steel is way too much.  Am I 
exagerating in my concern about safety?

 I greatly appreciate any comments.

Thank you all
Tarek

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