Thought you might like to hear about my sub.   It is a two person, open cockpits, 12ft long, 2ft dia approx, wet sub.   It was used in the 1966 sci fi movie "Destination Inner Space". I acquired it from an elderly retiring diver.   Since I am in the Florida Aviation Historical Society I was going to use it for diving on WW2 aircraft wrecks in my area until I found out its historical movie role and value. 
  At first I was going to modify various things on the sub but not now.   I intend to build another sub out of an 18 ft kevlar helicopter drop tank. Anyway, thanks for your excellent site.
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