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Recent content by ccarleton

  1. ccarleton

    Cryogenic bladder material

    So at temperatures of LOX (-183C), does that give me more choices of materials I could use for the bladder at this higher temperature?
  2. ccarleton

    Cryogenic bladder material

    Putting the LOX bladder on top and having it contact the H2 vapor instead of the liquid h2 is a really good idea. I'll consider that. I miss-spoke earlier, it's the LH2 vapor that pressurizes the system. The goal is to not have a separate gas or system for pressurizing. I read some reports...
  3. ccarleton

    Cryogenic bladder material

    Thanks again for your help iainuts, That's a good idea. That those sound like it could work. It definitely gives me something to start with. Do you think that using the Kapton sandwich would allow the pressure transfer from the LH2 evaporation to the LOX? I forget where I read this, but some...
  4. ccarleton

    Cryogenic bladder material

    Thanks for the response iainuts. Yes, there are 2 problems to overcome the bladder and someway to insulate or at least reduce the heat transfer across it. It would be for a small scale LOX/LH2 rocket engine. What I'm trying to determine is if there is a way to use one tank to hold both LOX and...
  5. ccarleton

    Cryogenic bladder material

    Would anybody know the following or be able to point me to a web resource? Thanks Do you know of any materials that retain some elasticity at cryogenic temperatures in the 20 degrees Kelvin range? This would be for a bladder that would hold liquid nitrogen in a bath of liquid Hydrogen or...
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