140L idle

[Buff Miller]

You said you did all you can think of.  Did that include replacing the glow
plug?  Sometimes the obvious gets overlooked.

Buff
----- Original Message ----- 
From: "Ed Deaver" <divesplat1 at msn.com>
To: <discussion at nsrca.org>
Sent: Thursday, October 02, 2003 12:46 AM
Subject: 140L idle


> Hey everyone.  Have a friend with an extemely strong 140L that has ran
> perfectly all summer long on magnum #2 with a 16.5X12APC.  About 4 weeks
> ago, it started dieing during the landing sequence, sometimes on approach
> others just after touch down, without any change to the idle trim.  On the
> ground, the thing would idle for over a minute and not sag and transition
> was good to full throttle.
>
> We have done all we can think off.  Throttle linkage was changed out,
> Throttle barrel arm changed out, everything replaced.  All fuel lines were
> replaced.  Valve cover was found to be warped a little so new gasket(leak
> free) and valve cover(sanded flat also), Valves checked, Diaphagm was
> changed.
>
> We aren't new to YS's, but this has us baffled.  He has tried adjusting
both
> pump and low end adjustments but still experience erratic idle, towards
end
> of flight.
>
> Any suggestions??
>
> Thanks in advance.
>
> ed
>
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