REFLECTOR:Flying Level or not
Ronnie Brown
reflector@tvbf.org
Tue, 27 Apr 2004 19:56:44 -0400
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Rene,
How can the wings be out of level but the ball centered? I think your =
ball must not be level with the plane.
I have the same problem except it is the right wing that is low and I =
can see my ailerons, left one is up about an 1/8 of an inch and the =
right one is down about an 1/8th. My ball is over to the left, I can =
press on the left rudder and center the ball and the wings will be more =
level. But like your plane, this would cause a loss in speed.
However, the fix is to adjust the heavy wing. I need to add a shim to =
the upper right wing bolt and this should level the wings. I haven't =
added the shim yet, but this is the same drill we went through on our =
172. I adjusted the trim tab on the rudder, it relieved the problem, =
but our I/A says the fix is to adjust the wings rather than the rudder. =
So we adjusted the exocentric bolt in the right wing and sure enough, =
problem fixed. =20
I would suggest adding a shim to the upper left wing bolt on your plane.
Ronnie Brown
----- Original Message -----=20
From: Rene Dugas=20
To: reflector@tvbf.org=20
Sent: Tuesday, April 27, 2004 6:54 PM
Subject: REFLECTOR:Flying Level or not
Dear fellows,
My plane has been flying for about 160 hrs without significant =
problems but my left wing is lower than the right in level straight =
flight with the ball centered. This causes my right wing fuel to empty =
about twelve gallons first the fuel flow equalizes. Fuel and vent lines =
are fine and flow well. Fuel caps are tight and greased with metal and =
o-ring seals. =20
If I use left rudder the sing will lift and the ball moves about 1/4th =
ball to the right and fuel flow will equalize. This occurs with the =
front edge of the rudder about 1/8th inch back. I placed a fragment of =
a tongue depressor in the groove and flew with the wings level and ball =
to the right 1/4th and lost about 3 to 4 knots in cruise. =20
The unequal flow also causes my low fuel warning light to start =
flickering after the first 15 gallons have drained from the right tank.
My goal is to get the plane to fly straight and wings level with equal =
feed from both tanks. I used an electronic level in the plane and it =
flies about 1.5 degrees left wing low.
I am curious is placing a shim to move the wing back inside the cowl =
would angle the winglet on the left wing forward enough to increase it's =
inward lift and do the same thing than rudder does? I can shim the =
rudder but then the rudder will never be in trail - looks bad and seems =
less aerodynamic. Brendan is concerned about flutter but if the winglet =
is moved forward that should place more return pressure on the rudder =
not less.
Ideas and choices and EXPERIENCE would be appreciated.
Rene' Dugas
XL RG
N129RD
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<DIV><FONT size=3D2>Rene,</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>How can the wings be out of level but the ball =
centered? =20
I think your ball must not be level with the plane.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>I have the same problem except it is the right wing =
that is=20
low and I can see my ailerons, left one is up about an 1/8 of an inch =
and the=20
right one is down about an 1/8th. My ball is over to the left, I =
can press=20
on the left rudder and center the ball and the wings will be more =
level. =20
But like your plane, this would cause a loss in speed.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>However, the fix is to adjust the heavy =
wing. I=20
need to add a shim to the upper right wing bolt and this should level =
the=20
wings. I haven't added the shim yet, but this is=20
the same drill we went through on our 172. I adjusted =
the trim=20
tab on the rudder, it relieved the problem, but our I/A says the fix is =
to=20
adjust the wings rather than the rudder. So we adjusted the=20
exocentric bolt in the right wing and sure enough, problem =
fixed. =20
</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>I would suggest adding a shim to the upper left wing =
bolt on=20
your plane.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Ronnie Brown</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Drdugas@bayou.com href=3D"mailto:rdugas@bayou.com">Rene =
Dugas</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dreflector@tvbf.org=20
href=3D"mailto:reflector@tvbf.org">reflector@tvbf.org</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, April 27, 2004 =
6:54=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> REFLECTOR:Flying Level =
or=20
not</DIV>
<DIV><BR></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">Dear fellows,</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">My plane has been flying for about 160 hrs =
without=20
significant problems but my left wing is lower than the right in level =
straight flight with the ball centered. This causes my right =
wing fuel=20
to empty about twelve gallons first the fuel flow equalizes. =
Fuel and=20
vent lines are fine and flow well. Fuel caps are tight and =
greased with=20
metal and o-ring seals. </SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">If I use left rudder the sing will lift and =
the ball=20
moves about 1/4<SUP>th</SUP> ball to the right and fuel flow will=20
equalize. This occurs with the front edge of the rudder about=20
1/8<SUP>th</SUP> inch back. I placed a fragment of a tongue =
depressor in=20
the groove and flew with the wings level and ball to the right=20
1/4<SUP>th</SUP> and lost about 3 to 4 knots in cruise. =20
</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">The unequal flow also causes my low fuel =
warning light=20
to start flickering after the first 15 gallons have drained from the =
right=20
tank.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">My goal is to get the plane to fly straight =
and wings=20
level with equal feed from both tanks. I used an electronic =
level in the=20
plane and it flies about 1.5 degrees left wing low.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">I am curious is placing a shim to move the =
wing back=20
inside the cowl would angle the winglet on the left wing forward =
enough to=20
increase it’s inward lift and do the same thing than rudder =
does? I can=20
shim the rudder but then the rudder will never be in trail – =
looks bad and=20
seems less aerodynamic. Brendan is concerned about flutter but =
if the=20
winglet is moved forward that should place more return pressure on the =
rudder=20
not less.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">Ideas and choices and EXPERIENCE would be=20
appreciated.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">Rene’ Dugas</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">XL RG</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Trebuchet MS" color=3D#663333 =
size=3D3><SPAN=20
style=3D"FONT-SIZE: =
12pt">N129RD</SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>
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