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<DIV><FONT face=Arial size=2><STRONG>Chuck:</STRONG></FONT></DIV>
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<DIV><FONT face=Arial size=2>Sounds like the regulators are set lean or not
working correctly. </FONT></DIV>
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<DIV><FONT face=Arial size=2>What fuel is he using? Are you sure that it is
good?</FONT></DIV>
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<DIV><FONT face=Arial size=2>Are you sure that the fuel system is holding
pressure?</FONT></DIV>
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<DIV><FONT face=Arial size=2>How much time on the engines?</FONT></DIV>
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<DIV><FONT face=Arial size=2>Terry</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=CCzarnik@arclp.com href="mailto:CCzarnik@arclp.com">Chuck Czarnik</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> Wednesday, September 08, 2004 8:06
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> YS 63 question</DIV>
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<P><FONT size=2>Quiet in here..<BR><BR>Tried to help a friend out at the field
on Mon with a pair of YS63's on a twin. Flew fine on the first flight
several months ago, but both of them now will not hold idle when he pulled the
plane back out this week. They mostly run at 3000 up, just abruptly die
below that.. Like fuel starvation. If you punch the throttle hard, the
engines would usually backfire and immediately die unless you ran quite
rich. Looks like he may have had a cooling issue on both engines (no
cowl air other than valve cover). Both engines doing exact same
thing. Possible heat damage? Something ate both
regulators? I ran out of ideas.<BR><BR>Not a pattern plane, but there is
a lot of YS knowledge on this list.. Any thoughts?<BR>TIA, Chuck</FONT>
</P>
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