Frank Ch. Eigler wrote:
A tightly-cowled big-bore engine will be stressed if left to idle too
long. First hand experience: I tried not to whine about it on air
beyond offering to depart VFR, but a 45-minute take-off wait at KTEB
last week made my IO-540s very unhappy.


Tightly cowled? IO-540s? Sounds like a Duke?