Top Flite TOPA0130 - Manual (Page 27)

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11. Fit and glue a 1/32" x 3/16" x 18" ply Cap
Strip to the length of the Center Spar and also
to the top of the Leading Edge Spar. Hold a
straightedge over the Cap Strips while the glue
cures. The Cap Strips will help prevent the flap
from warping.
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12. Locate the four 3/32" x 1-1/4" Brass
Flap Joiner Tubes. Two of these will be used
on the center Flap, and one on each of the
outboard Flaps.
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13. Notch the two end ribs just behind the
center spar to accept the diameter of the Brass
Flap Joiner Tubes. Make sure that the tubes rest
evenly on the sheeting. Roughen the tubes with
220 grit sandpaper, then glue them to the
sheeting, flush with the outside edge, with
Medium CA.
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14. Cut ten 3/16" x 3/4" x 3/4" Hinge Blocks
from the 3/16" x 3/4" x 8-7/8" balsa stick. Four of
these Blocks will be used for the Center Flap.
The remaining six are for use on the two
Outboard Flaps. Refer to the plans for the
location of the Hinge Blocks, then glue them
between the Ribs, to the sheeting and spars. It's
necessary to cut a bevel on one edge of the two
outboard Blocks to fit over the Flap Joiner Tubes.
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15. Sand the protruding edge of the blocks to
match the contour of the Ribs.
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16. Use the same procedure to build the two
outboard Flaps, but don't install the Joiner
Tubes until you read the following important
note.
Important: Before you glue the
Brass Flap Joiner Tubes to the
outboard Flaps, check the fit and
alignment of the Flaps against the
plans. Insert the 1/16" Joiner Wires into
the tubes to check alignment between
the edges of the Flaps. Make any
adjustments to the tube location before
gluing in position.
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17. Glue the die-cut ply 1/8" x 5/8" x 5/8"
Horn Doublers to the two outboard flaps at the
locations shown on the plans. Due to the offset
servos, the Horn Doublers are not in the same
location on the two outboard Flaps.
BUILD THE AILERONS
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1. Draw a centerline on the die-cut 1/4"
balsa Aileron LE and also offset lines 1/16" on
either side of the centerline. Draw a centerline
on the other side of the Aileron LE; this will help
you "V" the leading edge later.
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2. Place the die-cut 3/32" balsa Aileron
Base on the plans and mark the "Rib Locations"
on both sides of the part.
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3. Place the Aileron Base between the
parallel lines you drew on either side of the LE
center line. The narrow end of the LE points
toward the narrow end of the Aileron Base.
When the parts are aligned, use CA to glue the
parts at right angles to each other.
NOTE: The Aileron LE is die-cut
longer than the Aileron Base to allow final
trimming on both ends.
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4. Cut "Ribs" from 3/32" x 3/8" x 36"
balsa sticks. Glue the Ribs to both sides of the
Aileron base between the marks.
Cap Strips
Leading Edge Spar
Center Spar
Flap Rib
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