-> DW> reminds me of some early space rockets, which would virtually collapse 
-> DW> under their own weight, except for the pressure of the fuel in them 
-> DW> keeping the metal stretched tight. 
->   
-> The chief-engineer of the Atlas-project back in the 50-ies, Charlie Bossaert 
-> (hey, a Belgian), had the rocket built in such a way it was pressurized. Not 
-> just the fuel, but the whole construction consisted of pressurized cells 
-> virtually piled on top of eachother. 
->   
-> Now an Atlas-rocket is not a small thing ... 
->   
->  \%/{at}rd  
  
Yes. The Atlas was what I was thinking of. 
  
                           dow 
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