FINISHING AND
PREFLIGHT
REPARATION
Center of Gravity
11. The recommended CG is 1 5/8 inches back from
the leading edge of the wing at the wing root
where it meets the fuse.
Do not skip this step!
12.
Balance the BD-5B with the battery installed and
ready to fly. The motor, speed control, servos,
and battery you use will determine the final
weight and locations of equipment. Try to
balance the model by moving the battery, speed
control, and receiver before adding any ballast.
13.
Start at recommended CG until you are
comfortable with the flight characteristics of the
aircraft. You may find this a bit nose heavy at
first but that is fine to start with. After you are
comfortable adjust the CG to suit your flying
style in small steps, especially when shifting the
CG toward the tail. Move the battery or add
small stick on weights to the nose or tail as
necessary.
14. For aerobatic flying a more aft balance point is
better. For smooth sport flying a more forward
CG is better. An aircraft that is too nose heavy
does not fly well and is difficult to land. A tail
heavy aircraft is uncontrollable and will likely
crash.
Control Throws
15. The amount of control throw should be adjusted
using mechanical means as much as possible and
then electronically with the radio. The control
throws are shown in degrees and inches of
deflection measured at the widest point of the
control surface for both low and high rates.
16. Aileron throw measured in inches.
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