Balancing The Elevator - Beechcraft TRAVEL AIR 95 Shop Manual

BALANCING
THE ELEVATOR
The maximum allowable
underbalance for all
completed
painted
elevator assemblies,
including
the
control
arm and
the tab
control rod, mustbe
from
15.6
to
20.2 inch-
pounds
on aircraft
prior
to
Serial TD-303, and must not exceed
22.6
inch-pounds
on airplane Serial
TD-303
and
after.
On
aircraft
equipped
with optional
utility
bag-
gage door,
the
static underbalance must not exceed
17. 5 inch-pounds,
Use
this
formula
to
figure
the tail
heaviness:
Static Tail Heaviness
=
D(W-S).
D
=
Distance in inches from hinge center line
to
point
where spindle supports elevator.
W= Scale
reading of
platform
scale
in pounds.
S
=
Weight of spindle (in pounds) used
to
support
trailing
edge of
elevator.
Remove
the
elevator horn cover
and
add or
remove solder
to
bring
the
elevator
balance within required limits.
Coat
the
weight with a corrosion preventative material
such
as zinc chromate
primer
to
insulate
the
dissimilar metals. Replace
the
elevator
horn
cover and
recheck
the
balance.
3-12