Top Flite TOPA0415 - Manual (Page 20)

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13. Trim a 1/2" x 30" strip from a 3/32" x 4" x 30"
balsa sheet. Glue the 1/2" x 30" strip to the edge of
another 3/32" x 4" x 30" balsa sheet. Sheet the
forward side of the fuse as shown using the 3/32" x
4-1/2" x 30" sheet.
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14. Trim a 1/2" strip from another 3/32" x 4" x 30"
balsa sheet and glue it to a 3/32" x 4" x 30" sheet
(you should now have two 3/32" x 3-1/2" x 30" balsa
sheets leftover, which will be used to sheet the top of
the fuse aft of the cockpit). Sheet the left side of the
fuse with the 4-1/2" sheet the same way.
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15. Use a 3/32" x 4" x 30" balsa sheet to finish
sheeting the forward deck of the fuse top.
Don’t forget, step numbers that are preceded with
a “B” are for the bubble canopy version only.
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B16. Glue a 1/4" x 1/4" x 30" balsa stringer into the
notches in the tops of the turtledeck.
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B17. Sheet both sides of the turtle deck from the
cockpit back (CB) to former 9 using the two 3/32" x
3-1/2" x 30" balsa sheets leftover from step 13 and
step 14.
Perform steps R18 through R21 only if building
the razorback version.
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R18. Glue the die-cut 1/8" plywood razor spine to
the top of CBX, 5X and 6X. Note that the aft edge of
the razor spine ends in the middle of 6X.
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R19. Trim the tapered 18" balsa fuselage spine to
fit between the fin and the razor spine, then glue it
into position. Bevel the sides of the razor spine so it
blends with the curvature of the formers (refer to the
cross section on the plan).
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R20. Sheet both sides of the turtle deck from the
cockpit back (CBX) to former 9 using the two 3/32" x
3-1/2" x 30" balsa sheets leftover from step 13 and
step 14 and additional leftover 3/32" balsa. If the
sheeting is difficult to bend, wet it with water or
window cleaner.
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R21. Position the 5/8" x 1-3/8" x 10-1/2" aft deck
top block on the razor spine and trace its outline.
Carve the top block to the approximate shape, then
glue it into position. Shape the block to match the
rest of the turtle deck, but don’t final shape until
instructed to do so.
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22. Use the stab/fin fillet pattern on the plan to
make two stab/fin fillets from leftover 3/32" balsa,
then test fit and glue them into position.
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