Scott,
My KR2 formerly ZS-WEC, flew happily for 400 hours without a carb heat. I
was surprised and somewhat worried when I bought the plane. Here are the
answers I got from the previous owner and his fellow homebuilders in Port
Elisabeth, South Africa:
- The carb is a Zenith / Stromberg, and this carb is known not to freeze
easily.
- Since it is mounted inside the cowl and gets its air from inside the
cowl too (no carb inlet), it is pretty safe as it is.
Living in hot and sunny South Africa, where carb icing altogether is a
pretty rare occurrence, I felt happy with the answer, and I forgot about
it..
Since then, I have upgraded the engine to a VW 2.4 instead of a 2.0 liter,
and the carb battles to feed these big cylinders, so I need all the cool
air I can, and therefore, I will build an inlet. Also, I now live in
France, where carb freezing is not so rare. So, what about carb heat?
Well, I have decided that I will simply buld a flap that closes the inlet
at will. The carb will then be fed from a hot area within the cowling.
Should be enough to take care of impact ice. For the other icing causes, I
will simply hope for the best.
Serge Vidal
KR2 "Kilimanjaro Cloud"
Paris, France
Scott William <scot...@yahoo.com>
Envoyé par : krnet-boun...@mylist.net
2005-09-27 20:50
Veuillez répondre à KRnet
Remis le : 2005-09-27 20:50
Pour : KRnet <kr...@mylist.net>
cc : (ccc : Serge VIDAL/DNSA/SAGEM)
Objet : KR> Carb Heat/Carb ice
I've noticed wuite a few builders who have not
installed any kind of carb heat setup on thier birds.
Do these birds not have problems with that or are you
running fuel injection and I'm not seeing it?
I assume that carb ice is not a problem on injected
birds since there is no venturi?
Scott
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