YS 1.20 AC
L Caldwell
larryc4 at cebridge.net
Sat May 21 17:33:10 AKDT 2005
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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