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<DIV><FONT face=Arial size=2>Jerry,</FONT></DIV>
<DIV><FONT face=Arial
size=2> It could be fuel
build up in the air chamber. Make sure the tiny hole that in the crankcase is
not clogged. The check valve that runs from the chamber to the crankcase feed
into a very small diameter hole. When it gets blocked eth engine runs but fuel
accumulates in the lip caused by where the inlet valve hole is ion the chamber.
The drain lets it go back into eth casing.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>When the engine is inverted all is well. When it
transitions to the engine-upright position at a low throttle setting
it puts out the fire on the plug.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Regards,</FONT></DIV>
<DIV><FONT face=Arial size=2><BR>Eric.</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=jjvoth@mtelco.net href="mailto:jjvoth@mtelco.net">jjvoth</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=discussion@nsrca.org
href="mailto:discussion@nsrca.org">discussion@nsrca.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, May 20, 2005 2:17 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> YS 1.20 AC</DIV>
<DIV><BR></DIV>
<DIV><FONT face=Arial size=2>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.</FONT></DIV>
<DIV><FONT face=Arial size=2>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.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Any help would be appreciated.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Jerry</FONT></DIV></BLOCKQUOTE></BODY></HTML>