Seagull Models CHRISTEN HUSKY SEA180 Assembly Manual page 28

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CHRISTEN HUSKY
BALANCING.
1) It is critical that your airplane be
balanced correctly. Improper balance will
cause your plane to lose control and
crash. THE CENTER OF GRAV-
ITY IS LOCATED 80 MM BACK
FROM THE LEADING EDGE OF
THE WING AT THE WING ROOT.
2) Mount the wing to the fuselage. Using
a couple of pieces of masking tape, place
them on the bottom side of the wing
80=mm back from the leading edge of
the wing at the wing root.
3) With the model upright, place your
fingers on the masking tape and carefully
lift the plane.
4) Do not turn plane upside down. Only
low wing models should be turned up-
sidedown for balancing. Remove this
paragraph, it is not intended for use in
the instructions. it is a note for you.High
Wing models must be balanced upright.
28 28
4 x 20mm
Instruction Manual.
Accurately mark the balance point on
the botttom of the wing on both sides of
the fuselage. The balance point is locat-
ed 80 mm back from the leading edge of
the wing at the wing root. This is the bal-
ance point at which your model should
balance for your first flights. Later, you
may wish to experiment by shifting the
balance up to 10mm forward or back to
change the flying characteristics. Mov-
ing the balance forward may improve
the smoothness and arrow- like track-
ing, but it may then require more speed
for take off and make it more difficult
to slow down for landing. Moving the
balance aft makes the model more agile
with a lighter and snappier "feel". In any
case,please start at the location we
recommend .
With the wing attached to the fuselage,
all parts of the model installed ( ready
to fly), and empty fuel tanks, hold the
model at the marked balance point with
the stabilizer level.
Lift the model. If the tail drops when
you lift, the model is "tail heavy" and
you must add weight* to the nose. If the
nose drops, it is "nose heavy" and you
must add weight* to the tail to balance.
*If possible, first attempt to balance the
model by changing the position of the
receiver battery and receiver. If you are
unable to obtain good balance by do-
ing so, then it will be necessary to add
weight to the nose or tail to achieve the
proper balance point.

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