Top Flite TOPA0155 - Manual (Page 20)

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9. Test fit, then glue the die-cut 1/8" [3.2mm] balsa
wing center LE spar (CLES) to the assembly. Be
certain the center LE spar is centered vertically on all
the ribs.
Refer to this photo for the following three steps.
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10. Glue both die-cut 1/8" [3.2mm] plywood aft
dowel plates (ADR) to the top and bottom spars
between ribs W1 and W2.
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11. Of the 3/32" x 3" x 36" [2.4 x 76 x 914mm]
balsa sheets included with this kit, one of them is
hard and the rest are soft. Locate the hard balsa
sheet. Cut the ten shear webs for the center section
from the sheet, then glue them into position. Save
the remainder of this sheet for the shear webs for the
outer panels.
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12. Use epoxy to glue four die-cut 1/8" [3.2mm]
plywood inner webs (IW) to both the front and back
of the main spars on both ends of the center section.
Be certain to use enough epoxy for a secure bond,
but don’t use too much epoxy so as to interfere with
the fit of the wing joiners that will be added later.
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13. Sand the top center main spar, the center LE
spar and the webs even with the top of the ribs.
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14. Glue the die-cut 3/32" [2.4mm] balsa center
TE (WCTE) to a 3/32" x 3" x 24" [2.4 x 76 x 610mm]
balsa sheet. From now on this will be referred to as
the top TE sheet.
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15. Remove or relocate any T-pins that may
become concealed after the top sheeting is glued
into position. If using weights to hold the sheeting
down, all the T-pins may be removed.
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16. Sand the top TE sheet flat and even. Test fit and
trim the sheet to fit the top of the wing against the
center TE making sure it aligns with the TE indicated
on the plan. Glue the top TE sheet into position.
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17. Glue one of the 3/32" x 12" x 24" [2.4 x 305 x
610mm] balsa sheets prepared earlier to the top of
the center section. The suggested method is to apply
aliphatic resin to the top of all the ribs and spars and
to the aft edge of the sheet where it contacts the
center TE spar. Position the sheet and use weights to
hold it down. Use medium CA to glue the front of the
sheet to the top of the center LE spar. Allow the
aliphatic resin to dry before proceeding.
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18. Remove the center section from the building
board. Note: Do not trim the bottom of the center TE
spar from the bottom of the wing until instructed to
do so. The center TE spar supports the section when
joining the outer panels.
If building the wing with fixed landing gear,
proceed to “Mount the fixed landing gear” on
page 22.
The Sea Fury uses a Bristol Centaurus 18 cylinder,
twin row, radial, air-cooled, supercharged engine.
Max. power is 2,300 H.P. in full supercharger mode
at maximum engine power altitude.
Engine oil tank capacity is 14 gallons with oil cooler.
Exhaust pipe configuration in sliding grill provides
thrust augmentation.
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