Top Flite TOPA0220 - Manual (Page 31)

❏ ❏ 4. Cut the aileron ribs, diagonals and hinge
blocks from a soft 1/8" x 1/4" x 30" [3.2 x 6.4 x
762mm] balsa stick and place them into position.
Glue all of the parts together with thin CA where they
join each other.
❏ ❏ 5. After the CA has cured, remove the pins from
the aileron. Use a sanding block with 150-grit
sandpaper to sand the aileron flat.
❏ ❏ 6. From a 1/16" x 3" x 24" [1.6 x 76 x 610mm]
balsa sheet cut two pieces to a length of 11"
[279mm]. Use medium CA or aliphatic resin to glue
one piece to the top of the aileron. Align the skin
even with the LE of the aileron.
❏ ❏
7. After the glue dries, remove the aileron from
the building board and trim the sheeting along the TE
and both tips.
❏ ❏ 8. Turn the aileron over and use a sanding block
to sand the un-sheeted side flat. Use medium CA or
aliphatic resin to glue the second skin to the aileron.
Align the skin even with the LE of the aileron.
❏ ❏ 9. After the glue dries, remove the aileron from
the building board and trim the sheeting along the TE
and both tips.
❏ ❏ 10. Locate a die-cut 1/16" [1.6mm] ply control
horn mount. Using the plan as a reference, position the
control horn mount on the aileron and mark its location.
Cut along the lines you marked and remove the balsa to
inset the mount. Glue the mount into the aileron.
NOTE: When you build the second aileron, be sure
to make a left and right aileron. The second aileron
will need to have the mount glued to the other side.
❏ 11. Build a second aileron starting at step 2
above. The ailerons are symmetrical so you can build
the second one over the same plan.
BUILD THE FLAPS
❏ 1. Place the right flap plan on your building board.
Cover the plan with Plan Protector or wax paper.
Note: All flap parts are cut from 1/8" x 1/4" x 30" [3.2
x 6.4 x 762mm] balsa sticks.
❏ ❏ 2. Cut the flap TE and LE from a 1/8" x 1/4" x
30" [3.2 x 6.4 x 762mm] balsa stick and pin them in
position over the plan.
❏ ❏ 3. Cut the flap ends from the remainder of the stick
and pin them in position. DO NOT glue until later.
❏ ❏ 4. Cut the flap ribs, diagonals and hinge blocks
from a soft 1/8" x 1/4" x 30" [3.2 x 6.4 x 762mm] balsa
stick and place them into position. Glue all of the parts
together with thin CA where they join each other.
❏ ❏
5. After the CA has cured, remove the pins from
the flap. Use a sanding block with 150-grit sandpaper
to sand the flap flat.
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