I"ve been following the thread (914 here) and following the yes-buts with
interest. Back in the bad old days, the T6 harvard had an oil cooler thermo
bypass. We were told it allowed the cold oil to bypass the fine core of the
cooler (it was COLD on the prairies) in order not to congeal and blow the
cores. The threat was called 'coring', and woe betide the cadet who forgot
to select "bypass".Then when she warmed up, one pushed the knob in and went
burbling down the taxiway.
At least I think that's how it went.
ferg
PS The fine was a week's worth of carrying a P&W Wasp R1340 cylinder by the
exhaust pipe - in the left hand in order to be able to salute. It started
out weighing several pounds on Monday - by Sunday one had a huge bicep - I'm
told.
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