Awe13.242 net.space utzoo!decvax!harpo!npois!houxi!houxg!lime!we13!ges Fri Apr 30 10:52:58 1982 Re.saturn V engines In reply to Mr Phil Karn of murray hill What you say about the fuel and oxidizer being completely mixed is true. The color change is coused by impurities in the ambient air. G.E.Smith 6565 we13