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<P>I have a new JR 8411SA on the rudder of my new plane and it frequently
oscillates back and forth.</P>
<P>In the past I've experienced oscillation problems on the rudder using a JR
8411SA, however when this has occurred in the past (with a relatively new servo)
it normally indicated that the pull-pull cables are a bit loose and tightening
them will solve the problem.</P>
<P>However, in this case I've tightened the cables quite a bit tighter than my
other plane and still have the oscillation problem even with the new servo. If I
touch the rudder with my hand it will stop, and I can also stop it by moving the
stick back and forth a couple of times very slowly. However, any quick moves of
the rudder stick to center, or when the plane is first turned on will result in
the oscillation.</P>
<P>As far as flying goes, I imagine that the prop wash normally stops the
oscillation, much like putting my hand on the rudder, but the fact that this
occurs so much and my other plane doesn't often have this problem is somewhat
troubling.</P>
<P>Any suggestions or advice?</P>
<P>Thanks,<BR>Keith Black</P></FONT></FONT></DIV></BODY></HTML>