YS 1.20 AC

[L Caldwell]

I have a YS-110 doing about the same thing.  If you throttle down, it 
goes quiet for a second, then it (usually) comes back to life.  It does 
the same thing on rolling maneuvers and at the end of some high G 
maneuvers.  It's mounted inverted.

I'm going to check for the pinched line first on this one.  It's on a 
soft mount with no nose ring.

Larry Caldwell

Mike Wickizer wrote:
> Last weekend, after 2 seemingly perfect runs, we experienced the same 
> problem with a 140sport.  The engine was dying on exit from the triangle 
> loop.  It was my son's first contest so we obviously panicked.  Changed 
> plugs, checked lines, checked tank and clunk.  Idled and ran great on 
> the ground. Turns out we were rich on the high end and as the afternoon 
> got warmer and more humid the engine was loading up on the downlines.
> 
>     -----Original Message-----
>     From: discussion-request at nsrca.org
>     [mailto:discussion-request at nsrca.org]On Behalf Of jjvoth
>     Sent: Friday, May 20, 2005 1:17 PM
>     To: discussion at nsrca.org
>     Subject: YS 1.20 AC
> 
>     Anyone have any ideas why this engine quits running  when exiting
>     the triangle loop or the full roll after the half inside loop in the
>     Masters pattern.
>     I can't remember ever having this engine quit since it was new. I've
>     checked the fuel lines, replaced the pickup line in the tank,
>     changed the diaphragm, checked the fuel passages in the regulator
>     and carb, changed plugs, reset the idle screw and cleaned the
>     filter. It runs fine with plenty of power (for an AC) and it doesn't
>     quit on the above maneuvers every time.
>      
>     Any help would be appreciated.
>      
>     Jerry
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