Seagull Models Radial Rocket JD 10cc Assembly Manual page 30

RADIAL ROCKET 10cc
Epoxy.
30
Wing bolt.
Instruction Manual.
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 88MM 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
88mm 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.
Accurately mark the balance point on
the botttom of the wing on both sides of
the fuselage. The balance point is located
88mm back from the leading edge of the
wing at the wing root. This is the balance
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. Moving the bal-
ance forward may improve the smooth-
ness and arrow- like tracking, 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 .