Originally Posted by JamesT73J
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The energy involved in sending a part out of one engine, through the fuselage, and almost straight through part of the other engine is mind boggling, but really illustrates some incredible engineering considering how long these things run for without any problems at all.
It's not unheard of for a HP turbine disc, when loosed, to travel over 1 km. Slicing through aluminum belly skin is no obstacle at all.
Despite best efforts, it can still happen.
"Actually, Mr. Parkins," this visitor said brightly, after seeing the blue flame of an engine's exhaust, "you people are simply trying to contain and control fire, aren't you?"
"Yes," said Parkins, who had been up to his ears in trouble all week, "but that's simply all the devil has to do in h---, too, as I understand it."
(Mr. Horace Mansfield Horner, President, United Aircraft Corporation, in a
1952 briefing on Jet Engine Production before the Industrial College of the Armed Forces)