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Subject: Continental Engine Roughness
From: Dennis Ramsey <doramsey@gmail.com>
X-Original-To: Lml <lml@lancaironline.net>
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My understanding is that Continental does not recommend going below 2300 on
that engine.  Seems like I recall there is a concern with counterbalance
weights coming loose.  But, I cant see that explaining why the issue would
disappear for 200 hours.

Whoever suggested checking for contact points with the cowl may be on to
something.  Been there. Done that. And it did get worse at lower RPM. But I
did not tree on it until I had my prop balanced and they said they did not
have to adjust it because it was the most perfectly balanced prop they had
seen.    Checking the motor mount attachment bolts for looseness is also a
good idea. Sounds like the person has been very thorough checking
everything else.

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<div dir=3D"ltr"><table class=3D"" cellspacing=3D"0" width=3D"100%"><tbody>=
<tr valign=3D"top"><td width=3D"100%"><table class=3D""><tbody><tr><td clas=
s=3D"">My understanding is that Continental does not recommend going below =
2300 on that engine.=A0 Seems like I recall there is a concern with counter=
balance weights coming loose.=A0 But, I cant see that explaining why the is=
sue would disappear for 200 hours.=A0=A0 <br>
<br>Whoever suggested checking for contact points with the cowl may be on t=
o something.=A0 Been there. Done that.=A0And it did get worse at lower RPM.=
 But I did not tree on it until I had my prop balanced and they said they d=
id not have to adjust it because it was the most perfectly balanced prop th=
ey had seen. =A0=A0 Checking the motor mount attachment bolts for looseness=
 is also a good idea. Sounds like the person has been very thorough checkin=
g everything else.<br>
</td><td class=3D""><br></td></tr><tr><td class=3D""><br></td><td class=3D"=
"><br></td></tr><tr><td class=3D""><br></td><td class=3D""><br></td></tr><t=
r><td class=3D""><br></td><td class=3D""><br></td></tr><tr><td class=3D""><=
br></td><td class=3D"">
<br></td></tr></tbody></table></td><td class=3D"" align=3D"center"><br></td=
></tr></tbody></table></div>

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