On 04/22/16 10:00 PM, Paul Mueller wrote:
Thank you. So the Delta I/II/III used nitrogen? I guess not all
Western rockets (or all "dino-space") use/used helium for LOX
pressurization. Now I'm curious about Falcon 9 and Ariane V. I can
see where nitrogen could be a problem with the densified, chilled LOX
in the latest Falcon 9s.