I remember seeing Enerjet F67 and E24 motors on display at the NASM on my first trip there in 1982. It was the first time I became aware of existence of Centuri producing anything larger than a C motor. Took me over 20 years to add any to my collection.
I think the Enerjet era was the pinnacle of development at Centuri.
Unfortunately it was all downhill from there.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !