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al p wick wrote:
"Marginal cooling" is actually a point on a curve. So that supports your
concept of it being fuzzy, undefined. If you find yourself watching the
temperature and changing decisions based on it, you are approaching
marginal.
So keeping below VNE means there is something wrong with the aircraft -- marginal design?
Keeping an eye on and reducing RPM in that Cessa 152 when it approaches red line means a marginal engine/prop design?
Sorry Al, this simply doesn't wash. It's called staying within operating limits and is standard procedure in operation of any machine. Yes, I know some are on a quest to automate and install safeguards to the point where the operator does not have to think or can't do anything wrong, but where is the fun in that? If you want to be totally safe, stay on the ground, in your house, in your bed (well -- that may not be totally safe either). To be totally "safe" is to stop living -- being dead.
So the trick is finding the middle ground -- don't do anything completely stupid and don't stop living either.
Finn
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