Idle question

[jivey61 at bellsouth.net]

 Paul
 Don't overlook the fact that you may be rich at high and mid range and the engine takes time to unload that fuel charge before it settles down to the idle rpms. Just a thought.

 Jim Ivey
> 
> From: "Paul Horan" <phoran at vvm.com>
> Date: 2004/05/12 Wed AM 12:17:35 EDT
> To: <discussion at nsrca.org>
> Subject: Idle question
> 
>     My question about idle: is it reasonable to expect a relatively constant idle (say 2000 -2200) throughout the flight (takeoff to
> landing) ?  My opinion is that this should be so but if the engine - servo - mixture have Not been set well enough problems will
> result.
>     I typically am able to set my idle so that it is reliable and the plane will not move when placed on the runway - BUT - when
> landing time comes and I drop back to idle, it is too fast for a decent landing.  I may need 6 - 10 clicks of throttle trim to get
> it in the ballpark.
>     Am I expecting too much ?  Is this a common problem that some people have found the answer to ?  The particular engines are a YS
> 91 AC and an OS 91 FX - similar problems with both 2 and 4 cycle engines.
> TIA
> Paul Horan
> KC5NF
> AMA 57131
> NSRCA 3606
> 
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