Balancing The Rudder - Beechcraft TRAVEL AIR 95 Shop Manual

BALANCING
THE
RUDDER
The maximum allowable underbalance for all completed
painted rudder
assem-
blies, including
the
control
arm and
the
rudder
tab
actuator, must be from
18. 1
to
22. 5 inch-pounds
on aircraft
prior
to
Serial
TD-303,
and
must not
exceed
19.4 inch-pounds on
airplane
Serial
TD-303 and after.
Use
this
formula
to
figure
the tail
heaviness:
Static
Tail Heaviness
=
D(W-S)
D
=
Distance
from
hinge center
line
to
point
where
the
spindle
supports
the
rudder.
W
=
Scale
reading of
platform
scale in pounds.
S
=
Weight
of spindle (in pounds) used
to
support
trailing
edge
of rudder.
Remove
the
rudder horn cover
and add
or remove solder
to
bring the
rudder
balance within required limits.
Coat
the
weight
with a corrosion preventative
material
such as
zinc
chromate primer
to
insulate
the
dissimilar
metals.
Replace
the rudder
horn
cover and
recheck
the
rudder balance.
3-14