Hi Richard,
I have had ice conditions twice (C172): one on decent, temperature
round +10 degree Celsius and one soon after leveled off.
The engine start very quickly to go rough (very rough I may add)
After pulling the carb. heater, the engine worked OK again.
I have been told that you must expect carb. icing up to 18 degree if
it is humid condition.
I will absolutely install some sort carb. heater in my Europa.
Stephan Cassel
#556
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Richard
Subject: Europa-List: Rough running 912S again
Following my report of rough running of my 912S last week, I flew with
my inspector today to try to replicate the conditions in which the rough
running occurs.
It seems to happen at the top of a climb, when the aircraft is levelled
off, speed builds to cruise then I back off the throttle. At this point,
the engine 'plucks' for a minute or so then smoothes off. I have a C.S.
prop and if I keep the manifold pressure towards the top end of it's
range, say 25in. the plucking continues until I back off the throttle
and reduce the pressure.
The day was rather cool and humid, the windows kept steaming up even
with the vents open. Is this likely to be carb icing or does anyone with
rather more experience than me have any other idea's?
Richard Iddon. G-RIXS
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