Quote:
Originally posted by Jims5543
In the past this was happening but, the engineers at NASA felt it was a negligable problem....until a breakup during re-entry occured.
This is the same as the Solid Rocket Boosters. The engineers knew the "O" Rings were blowing out but felt it was not a big enough deal to warrant grounding and re-engineering. Until one blew out and blew up the shuttle.
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That's not quite what I remember. Do you have a link? I remember the engineers warning about low temperature flight and management at NASA and higher pushing for the flight anyhow.
O-rings are tried and true, and very sucessful when used in proper tested environment. They do not work well when cold.