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Full before landing checklist in the pattern?
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November 7th 03, 10:50 PM
T-Boy
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In article ,
says...
T-Boy wrote:
I snip
You land with the carb heat ON?
snip
Turning final, carb heat back off. (Any probs in the land, or even
after landing that might necessitate a go round, I'm ready for full
throttle - no messing around with the carb heat).
--
Duncan
Doing it your way, you may find that full throttle produces little power because
the carb could be iced up. Check your POH. I believe you will find it specifies
the use of full carb heat any time RPM is reduced below the green arc on the
tach. There is a reason for this, especially on O-200 and O-300 powered Cessnas.
Let me assure you that most folks without a crippled hand can push the throttle
and carb heat on a Cessna forward at the same time if need be. If physically
unable, go to full throttle and then turn carb heat off. Full throttle with carb
heat on will still get you enough power to go around (unless you are in a C-150
and have 40 degress of flaps down), especially considering you will have the
carb heat off in about 2 more seconds.
Thanks Steve, it's interesting you and Robert Moore (who's obviously an
experienced instructor) say this. I've never been taught it, and I've
had probably ten/fifteen different instructors over the years. They've
all taught me the way I've described already.
I find it somewhat difficult to believe that carb icing could occur
after have flown a base leg with carb heat fully on, on the final. Bear
in mind that this is a VFR/VMC approach - though sure, on some days,
dewpoint is indeed sometimes quite close to temp.
Any more comments - appreciated. Meantime, I might practice the carb
heat off, throttle on - simultaneous thing (sounds easy enough).
--
Duncan
T-Boy