Composite-ARF BAE Hawk, Инструкция по эксплуатации, Страница: 19 / 32

B.A.E. HAWK
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and ensuring perfect operation before final fixing.
With the door pieces separated spend some time sanding the door recess to remove any
high spots and chamfer the door edges so that they seat fully in the recess.
For the doors to operate properly the hinge tubes need to be bonded to the wing skin
directly. The moulding process means it is possible that the foam skin could encroach
into the hinge tube area. This is no real problem as the foam easily sands away using a
round file.
Access to the hinge wire is through the wings leading edge centre section. Drill two 3mm
holes at 88mm centres and 31mm down from the wings seam/joint line.
To check the foam board position use a small mirror, if necessary clean away the foam
to allow the plastic hinge tubes to be bonded onto the wing skin.
Tack glue the hinges onto the gear doors with the rear hinge 13mm from the back
corner and 82mm between the two hinges.
The hinges require slots cutting in the wing gear door shut. Use the doors complete with
hinges as a reference and mark the wing slot positions.
Carefully cut the slots, ensuring they are only fractionally wider than the phenolic
hinges. Cut three pieces of the white 3mm dia plastic tube provided, one long length to
match the distance between the hinges fitted to the doors and two 20mm long lengths
for outside each hinge. The Hawk has such a large gear opening and thick wing it is
easy to work on one door at a time and access the hinges through the opposite door
opening. The use of a mirror will help with the hinge tube installation.
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