From: com.ntlworld@feditech.dante.retro.com   
      
   "Cameron Dorrough"  wrote ...   
   > > Tank. If you transfer the entire tank then it's easy. Think of it as a   
   big   
   > > LNG canister.   
      
   > They are called "isotainers"...  And I, for one, cannot see any reason why   
   > you couldn't use a similar system for on-orbit refuelling (of course you'd   
   > still need an EVA to install it).   
      
   Not really. A 'simple' mechanical arm, a clamp, and a spring loaded valve   
   would be enough. All possible with existing technology.   
      
   John   
      
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