If you're in conditions where full carb-heat won't prevent carb-ice, what
difference does it make whether you learn that full carb-heat is
insufficient quickly or slowly?

What I meant was that one could be flying into gradually increasing severity
of carb ice potential with the carb heat kept full on. That is, there
wouldn't be any initial warning that conditions were becoming conducive to
carb icing. If the heat was off, the very first instance of the least
severe (hopefully) carb ice would begin to occur, before moving further into
a condition that was conducive to even faster carb ice accretion - so
perhaps, one would miss the initial 'warning' of possibly more progressively
severe conditions that were waiting just a little beyond where one was
flying.

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Good Flights!

Cecil
PP-ASEL
Student-IASEL

Check out my personal flying adventures from my first flight to the
checkride AND the continuing adventures beyond!
Complete with pictures and text at: www.bayareapilot.com

"I fly because it releases my mind from the tyranny of petty things."
- Antoine de Saint-Exupery -

"We who fly, do so for the love of flying. We are alive in the air with
this miracle that lies in our hands and beneath our feet"
- Cecil Day Lewis -