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Again, `coupers, Hartmut has come up with excellent
information.
My primary flight training was in the Cessna 150 my brother and I had
purchased. Thus, I developed the drill early; check engine RPM behavior
before takeoff with the application of carb heat, and carb heat full on half way
down the down wind before reducing power for the final glide to
landing.
Percy
From: Hartmut Beil [mailto:[EMAIL PROTECTED]
Sent: Wednesday, May 24, 2006 1:56 PM
To: COUPERS TECH
Subject: Re: [COUPERS-TECH] On carb ice
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Well friends, I too heard that pulling the carb heat on
run-up shows you that it is working but also removes any ice build up that might
have occurred already while taxiing. Therefore one has to watch the rpm drop
closely and leave the carb heat out for say 10 seconds . If within these ten
seconds the rpm is picking up again while carb heat still applied, then you had
already carburetor icing and one would be best advised to leave that heat on
even on takeoff, or at climb out.
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