Dynaflite PT-19 - Manual (Page 15)

27. After the glue has dried, turn the wing
over and fit and glue a 3/32" x 15/16" x 24" sheet
to the trailing edge between W5 and W11 with
aliphatic resin. You will have to trim the 3/32" x 3"
sheet installed in step 12.
28. Trim the LE and TE sheeting even with ribs
W1 and W11. Sand the tip and root of the wing so
that it is smooth and flat.
29. Prepare the wingtip for sheeting. Fit and
glue the 1 /8" die-cut balsa stiffeners to W11. The
smaller stiffener should be positioned so that the top
and bottom of the stiffener are flush with the top and
bottom edges of rib W11. The larger stiffener should
be flush with the bottom of the rib and the top
surface of the top spar. Use a long straightedge to
check that the top edge of the stiffeners are parallel
to the top surface of the wing.
30. Cut the wing tip pattern from the center of
this manual. Use the soft 1/8" x 3" x 36" balsa
sheet to cut the pieces for the wing tip to match the
pattern, noting the grain direction. Glue the pieces
together and sand both surfaces flat and smooth.
31. Fit and glue the tip to the bottom of W11
and the stiffeners. Fit and glue a filler block from
leftover balsa to the wing tip at the leading edge.
32. Cover the tops of ribs W7-W11 with
masking tape. Use a long T-bar sander to sand the
top of the wing tip so that it is parallel to the top
surface of the wing. See section A-A on the plans
for clarification.
33. Sheet the top of the wing tip using a
3/32" x 3" x 30" balsa sheet.
34. Build the servo mounts between ribs W6
and W7. Fit and glue the 1/8" x 1/2" x 4" ply
servo rails. Space the rails to fit the servo you will be
using. Sheet the area around the servo using leftover
3 / 3 2 " x 3" so the covering will have a place
to adhere.
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