Softie;
"allowing for a reasonable margin of error ...10%" QinetiQ came up with cut-off temperature of 180 C for auto ignition.
I think you with find that IPT expect leaking valves will cause the cros-feed duct to rise above 200 C. (Read UTI 051A)
DV
Last edited by Distant Voice; 24th Jun 2009 at 13:02.