Dynaflite DYFA3030 - Manual (Page 15)

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6. Use two 21" x 4" pieces of paper to roll into
paper tubes. Slip these into the holes in the wing ribs
to form a conduit for the servo wires.
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7. Make two 2-3/4" long servo rail supports
from the die-cut 1/8" x 1/2" x 11" ply strips. Make
two 3-5/8" long servo rails from a 1/4" x 3/8" x
36" basswood stick. Glue the rails and supports
where shown on the plan with the rails spaced as
needed to fit your servo. Mount the servo to the rails
with the screws included with your servo.
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8. Sheet the area around the servo using
leftover 3/32" balsa so the covering has something
to adhere to. Support the sheeting on the bottom
with strips of 3/32" balsa.
Repeat the above two steps for the second wing
half.
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9. Glue the hardwood landing gear block into
place with 6-minute epoxy.
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10. Cut 1/8" holes through the top wing sheeting
from the bottom side, directly above the servo lead
tubes. From the top of the wing enlarge the holes in
the sheeting to 1/2" diameter centering the holes
above the paper tubes. Cut matching 1/2" holes in
the servo lead tubes.
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11. Use a 3/32" x 3" x 24" balsa sheet to cut, fit
and glue the center sheeting between ribs W1 and the
first W3 on both wing halves. Cut a 3/4" wide strip in
the sheeting above the landing gear block from the
root rib to the end of the landing gear block.
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12. Using the 3/4" strip, as well as leftover
3/32" sheeting, cut and glue filler strips to the
landing gear block so that the strips will be level with
the center sheeting. Cut a grove in these strips for the
3/16" landing gear wire.
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13. From the 3/32" x 3/8" x 30" balsa sticks,
cut, fit and glue the cap strips to the tops of ribs W3
to W6 and the wing tip pieces as you did on the top
of the wing.
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14. Sand the LE to the shape shown on plan.
Rough sand the rest of the wing.
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15. Reinforce the wing center joint using 3"
fiberglass tape and epoxy. Apply the fiberglass to
the top and bottom of the wing.