REFLECTOR:Flying Level or not
Rene Dugas
reflector@tvbf.org
Tue, 27 Apr 2004 17:54:17 -0500
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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.
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.
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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<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>Dear fellows,</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>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. </span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>If I use left rudder the sing will lift and =
the ball
moves about 1/4<sup>th</sup> ball to the right and fuel flow will
equalize. This occurs with the front edge of the rudder about =
1/8<sup>th</sup>
inch back. I placed a fragment of a tongue depressor in the groove =
and flew
with the wings level and ball to the right 1/4<sup>th</sup> and lost =
about 3 to
4 knots in cruise. </span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>The unequal flow also causes my low fuel =
warning light
to start flickering after the first 15 gallons have drained from the =
right
tank.</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>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.</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>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.</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>Ideas and choices and EXPERIENCE would be =
appreciated.</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'> </span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>Rene’ Dugas</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>XL RG</span></font></p>
<p class=3DMsoNormal><font size=3D3 color=3D"#663333" face=3D"Trebuchet =
MS"><span
style=3D'font-size:12.0pt'>N129RD</span></font></p>
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