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From: SLAVA HARLAMOR <slavaharlamor@sbcglobal.net>
Subject: Re: [LML] prop balance
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Jon, where is it possible to obtain one of those balancers and learn the de=
tails about how it works? Do you know what it costs and is it just for one =
specific engine? Do you know who the manufacturer is? I have heard of a sys=
tem using liquid mercury.
=A0
Thanks in advance.
=A0
Slava
slavaharlamor@sbcglobal.net=20

--- On Mon, 2/21/11, JON ADDISON <jraddison@msn.com> wrote:


From: JON ADDISON <jraddison@msn.com>
Subject: [LML] prop balance
To: lml@lancaironline.net
Date: Monday, February 21, 2011, 7:25 AM




Question?
On my LNC2-360 (BIB plus high comp pistons) there is an add-on "balancer" b=
olted to the face of the starter ring gear.
It is supposed to balance the engine with its internal weights that are sup=
posed to arrange themselves to cancel or dampen our any sensed vibrations.
The "balancer" is about 2 inches in debth and almost the diameter of the ri=
ng gear; it is all self contained and you would have to take the prop off t=
o get it off and take it apart if one was at least currious what was inside=
 of it.
=A0
It's difficult to know if a 4 cyclynder Lycoming is as smooth as it can be,=
 because it's not a real smooth engine under the best of conditions.
=A0
I inquired to a local experienced prop balance person in Redmond and they c=
oncluded that because of the dynamic balancer on the ring gear, he would no=
t attempt to balance the engine with his expensive balance work, as he thou=
ght the attached dynamic balancer would change the internal weight at will.
=A0
Does anyone have any experience with these dynamic balancers attached to th=
e ring gear???
=A0
Cheers
=A0
Jack Addison=A0 N360JS
near Redmond, OR

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<table cellspacing=3D"0" cellpadding=3D"0" border=3D"0" ><tr><td valign=3D"=
top" style=3D"font: inherit;"><DIV>Jon, where is it possible to obtain one =
of those balancers and learn the details about how it works? Do you know wh=
at it costs and is it just for one specific engine? Do you know who the man=
ufacturer is? I have heard of a system using liquid mercury.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks in advance.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Slava</DIV>
<DIV><A href=3D"mailto:slavaharlamor@sbcglobal.net">slavaharlamor@sbcglobal=
.net</A> <BR><BR>--- On <B>Mon, 2/21/11, JON ADDISON <I>&lt;jraddison@msn.c=
om&gt;</I></B> wrote:<BR></DIV>
<BLOCKQUOTE style=3D"BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT: 5=
px; MARGIN-LEFT: 5px"><BR>From: JON ADDISON &lt;jraddison@msn.com&gt;<BR>Su=
bject: [<SPAN>LML</SPAN>] prop balance<BR>To: lml@lancaironline.net<BR>Date=
: Monday, February 21, 2011, 7:25 AM<BR><BR>
<DIV id=3Dyiv1856902293>
<STYLE><!--
#yiv1856902293 .yiv1856902293hmmessage P
{
margin:0px;padding:0px;}
#yiv1856902293 .yiv1856902293hmmessage
{
font-size:10pt;font-family:Tahoma;}
--></STYLE>
Question?<BR>On my LNC2-360 (BIB plus high comp pistons) there is an add-on=
 "balancer" bolted to the face of the starter ring gear.<BR>It is supposed =
to balance the engine with its internal weights that are supposed to arrang=
e themselves to cancel or dampen our any sensed vibrations.<BR>The "balance=
r" is about 2 inches in debth and almost the diameter of the ring gear; it =
is all self contained and you would have to take the prop off to get it off=
 and take it apart if one was at least currious what was inside of it.<BR>&=
nbsp;<BR>It's difficult to know if a 4 cyclynder Lycoming is as smooth as i=
t can be, because it's not a real smooth engine under the best of condition=
s.<BR>&nbsp;<BR>I inquired to a local experienced prop balance person in Re=
dmond and they concluded that because of the dynamic balancer on the ring g=
ear, he would not attempt to balance the engine with his expensive balance =
work, as he thought the attached dynamic balancer would change the
 internal weight at will.<BR>&nbsp;<BR>Does anyone have any experience with=
 these dynamic balancers attached to the ring gear???<BR>&nbsp;<BR>Cheers<B=
R>&nbsp;<BR>Jack Addison&nbsp; N360JS<BR>near Redmond, OR<BR></DIV></BLOCKQ=
UOTE></td></tr></table>
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