John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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 Posted: Mon Feb 06, 2012 12:15 pm Post subject: CARB ICIingNG 912 |
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Gary A/Kolbers:
The hot water system was from Great Britain. Supplied by a
trike dealer over there through a trike dealer over here. I
was concerned going back to Alaska without some source of
carb heat after experiencing the idle jet icing and killing
the engine less than 3,000 rpm. 385.00 dollars was a lot to
pay for it, but I thought I needed it. Got it a couple days
before departure north. Took a whole day of cutting and
splicing T's, valves, etc.
The electrical output of the 912 is already weak, but
adequate to supply my electrical needs. Would not want to
add to that already heavy load.
No matter how close the carbs were to the engine or exhaust,
an 80 to 90 mph wind would remove any heat before it could
help warm the carbs.
I have not found icing to be a real problem for me and my
912 engines. If it was I would install carb heat. Bing
carbs are not prone to icing, but will in extreme cases.
Again, not telling anyone how to do it nor am I recommending
anything. Meerly sharing my own personal experience and
opinion.
john h
mkIII
Woodville, Florida
From: owner-kolb-list-server(at)matronics.com
[mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of
Gary Aman
Sent: Monday, February 06, 2012 8:23 AM
To: kolb-list(at)matronics.com
Subject: Re: CARB ICING 912
John, Just thought the top mounted exhaust might radiate a
little.My Jabiru is the most readily icing I have
experienced.It is well removed from all heat sources and
really gets your attention at ANY throttle setting when it
happens.If there is DEW,I got the heat on.My heat source is
a conductive element attached to the throttle shaft boss on
the Bing 64.It is the size of a stack of silver dollars an
inch and a quarter high,attached by two screws,and
externally grounded with two terminals,one for 30 watts and
both for 60 I think.Super simple and effective.Never heard
of the hot water system for the 912.
G.Aman
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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