Great Planes Extra 300S 60 Kit - GPMA0236 User Manual
Page 15

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4. Glue a piece of 1/16" balsa to the servo mount
support, aligning it with the top of the sub rib and the top of
R6 as shown in the photo.
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5. Using leftover 1/16" balsa, sheet over the servo
tray area. Note: You will cut the opening for the servo after
the wing is unpinned from your building board.
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6. From a 1/16" x 1/4" x 36" balsa stick, cut and glue
cap strips to all of the exposed ribs. Hint: For easier
positioning of the cap strips, first mark the location of each
rib on the LE and TE sheeting.
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7. Remove the T-pins, then take the wing off your
building board.
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8. Trim the LE sheeting flush with the front of the
sub LE.
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9. Cut the TE sheeting along the outside edge of R4
from the aft edge of the spar to the aft edge of the sheeting.
Trim the TE sheeting flush with the aft spar from R4 to the
wing tip. Note: Save this piece of sheeting for the aileron.
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10. Draw a line 1/2" behind the TE of R2 - R4. Draw
another line 1/2" behind R1 and R2. Trim the TE sheeting
on the lines you just made.
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11. Trim the center sheeting and TE sheeting flush
with R1.
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12. Use a razor saw to accurately cut the spars, sub
LE, LE sheeting and TE sheeting flush with R10.
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