Glue The Hinges; Install Pilot; Glue Canopy In Place - GREAT PLANES Super Sportster 90 Instruction Book

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NOTE When covering the fin and stab, begin by
applying 1/2" wide strips of covering in the corners
between the fin and the fairing block, between the
stab and the fairing block, and (on the bottom of the
stab) between the stab and the fuse sides Next cover
the fairing block with a pre-cut piece of covering.
Finally, cover the stab and fin with pre-cut pieces
that have a straight edge to overlap the strips you
previously applied
DO NOT, under any cir-
cumstances, attempt to cut the covering mate-
rial after it has been applied to the fin and stab,
except around the leading and trailing edges
and the tip Modelers who do this often cut through
the covering and part-way into the balsa sheeting
on the stab This can weaken the stab to the point
where it may fail in flight'
Recommended Covering Sequence:
D
1 Strips as described in above note
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2 Rudder left side
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3 Rudder right side
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4 Bottom of elevators
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5 Top of elevators
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6 Ends of ailerons
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7 Bottom of ailerons
D
8 Top of ailerons
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9 Stab bottom
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10 Stab top
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11 Fuse bottom
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12 Fuse sides
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13 Fuse top
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14 Fin left side
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15 Fin right side
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16 Aileron openings in wing
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17 Bottom of left wing panel
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18 Bottom of right wing panel (overlap cover-
ing 1/2" at wing centerline)
D
19 Top of left wing panel (overlap covering
1/4" at wing LE)
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20 Top of right wing panel (overlap covering
1/2" at the center and 1/4" at the LE)

GLUE THE HINGES

D
1. Lay the rudder, elevators and ailerons on
the plans and mark on the leading edge of each
part the locations of the hinges, torque rods
(and tailgear if you have built a taildragger)
Now use a sharp X-Acto knife to cut slits in
the covering at the hinge locations Trial fit
the hinges to make sure you have "found" the
slots which you previously cut In the same
manner, slit the covering at the hinge locations
in the wing, stab and fin TE Also cut the cov-
ering away from the torque rod and tailgear
slots.
NOTE: When gluing in the nylon tailgear bearing
and the hinges, do not just smear glue on the hinge
and push it into the slot, as most of the glue will be
wiped off as it is being pushed in You must also
work some glue into the slot A good way of doing
this is to scoop up some epoxy with a plastic soda
straw, then pinch the end of the straw, insert it into
the hinge slot, and squeeze the straw to force glue
into the slot Apply epoxy to the hinge, then insert
the hinge into the slot After pushing in the hinge,
wipe away all excess glue with a tissue. We recom-
mend 30 minute epoxy for this process.
D
2 Glue the hinges (and tailgear bearing) into
the slots in the wing, stab and fin TE using
the above process and allow the glue to har-
den before proceeding.
D
3 Put epoxy into the slots in one of the
elevators and on the corresponding hinges,
then push the elevator onto the hinges and
wipe away all excess epoxy with a tissue (for
best results dampen the tissue with rubbing
alcohol) Repeat for the other elevator.
D
4 Using coarse sandpaper, roughen the part
of the aileron torque rods that will be glued
into the ailerons, then clean off the sanded por-
tion of the rods with a degreasing solvent
Roughen the tailgear wire in the same
manner.
D
5 Put epoxy into the rudder hinge slots (and
the tailgear hole), push the rudder into place
and wipe off all excess epoxy.
D
6. Put epoxy into the aileron hinge slots and
the torque rod holes, push the ailerons into
place and wipe off all excess epoxy

INSTALL PILOT

Assemble and paint your pilot figure, and glue
it to the cockpit floor NOTE To avoid the possibility
of the pilot coming loose inside the canopy, we recom-
mend that you drill up through the cockpit floor and
pilot base, and use two #6 or #8 sheet metal screws
to lock the pilot in place

GLUE CANOPY IN PLACE

NOTE Some modelers prefer to tint their canopies
for a more subtle and realistic effect You may tint
your canopy by immersing it in a concentrated mix-
ture of Rit Liquid Dye and hot tap water The colors
blue, black, brown and dark green work well Remove
the canopy after 5 minutes and rinse it off to check
the amount of tint The longer you leave it in the
dye solution the darker it will tint.
D
1 Lightly sand the inside of the canopy around
the outside edge (sand a strip approximately
1/8" wide) NOTE To avoid sanding more than
you want, it is helpful to first apply strips of
masking tape on the inside of the canopy, 1/8"
in from the edges.
D
2 Hold the canopy in place on the fuselage and
very carefully apply thin CA glue around the
edges To control the amount of CA, it is very
helpful to use the small diameter teflon
applicator tubing which is supplied with most
CA glues.
37

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Super sportster 120

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