Mailing List lml@lancaironline.net Message #49155
From: Bucky <buckyw@sbcglobal.net>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] CARB HEAT CABLE is POSSESSED in a Lancair 320 MKII.
Date: Wed, 15 Oct 2008 01:38:50 -0400
To: <lml@lancaironline.net>
Matt,
Try an A-700 series button lock cable from A C spruce.
Bucky Whittier LNC-2  360
----- Original Message -----
Sent: Sunday, October 12, 2008 5:49 PM
Subject: [LML] CARB HEAT CABLE is POSSESSED in a Lancair 320 MKII.

Fellow Lancairians,
 
I have a strange problem and maybe some of you have had too.  This is for all the carb heat boys/girls. 
 
I have the standard Lancair 320 air box.  At high airspeeds such as 200 mph or more, my carb heat will come out about 1/2 inch and the engine of course runs a little rougher.  I push it in, it comes back out all by itself.   So my fingers get tired holding it in.  (No jokes please).
 
So, I think there is tons of air in the lower forward cowl that is counter-acting against my plate in the airbox that is trying to push it up and allow heat in.   I would think the straight shot intake would provide plenty of pressure to keep it down.
 
I am wondering if anyone else had this problem OR if someone could send me a picture on how their cable is set up for the carb heat.   I do not have a push-rod type cable that I use on the throttle.  Maybe that is a possible solution.
 
By the way, the fall colors in Upstate New York right now are amazing.  What a beautiful day of flying.
 
Thanks!!!!
 
Matt

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