l
F.8L Falco Construction Manual
18–10
Revision 4, March 1, 2002
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Cut away the plywood on the bottom between the elevator and the trim tab. It is not
essential that you cut all of the plywood away at this time, but you should cut enough out
so that you can drill up through the top skin to locate the cut for the upper skin.
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After you have done your thing to the access opening for the trim tab cable clamp, varnish
the inside of the bottom skins.
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Varnish the inside of the upper trailing edge skins.
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Glue the upper trailing edge skins in place. Scuff sand the plywood prior to gluing.
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Cut out the leading edge strips at the two outboard hinge openings as shown in Figure 14.
Figure 14
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Fit the inboard fairing skins. See Figure 14. These skins are aft of the elevator the
elevator spar and inboard of Sta. 1.
Note:
These skins will require a very tight radius toward the trailing edge of the spar.
While they can be made in an upper and lower piece, they look better if made in one
piece.
Start by making a pattern of cardboard and then cut the plywood roughly to size. Draw a
line down the center of the piece to mark the bend.
Because the bend is so tight, it is a good idea to sand away the first layer of veneer on the
inside of the bend for a couple of inches at the aft end. Wet the wood and then bend. Use
a steam iron. If you are unable to get the bend, then sand the first layer of veneer away on
the outside. This will make the plywood much easier to bend as you will now be bending
only a single layer of veneer.
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Locate these fairing skins with a couple of alignment pins, and trim the skins for a good fit.
Fitting these skins to the rounded inboard trailing edge skins may be easier if you wrap the
inboard trailing edge skins with a piece of sandpaper. The sandpaper should have the
abrasive surface on the outside. The sandpaper may be “shoe-shined” over the skin while
the fairing skin is pushed against it. (This fairing skin is not important structurally, and
you may find that it is most easily installed with epoxy since it will eliminate the masking
and varnishing.)
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Scarf these fairing skins to match the scarf at the Sta. 1 rib.
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Mark the fairings skins for varnishing.
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Drill 1/8ӯ drain holes in the bottom of the fairing skins as shown on Drawing No. 402.
Summary of Contents for F.8L Falco
Page 1: ...F 8L Falco Construction Manual...
Page 7: ...l F 8L Falco Construction Manual Revision 4 March 1 2002...
Page 21: ...l F 8L Falco Construction Manual 1 8 Revision 4 March 1 2002...
Page 29: ...l F 8L Falco Construction Manual 2 8 Revision 4 March 1 2002...
Page 43: ...l F 8L Falco Construction Manual 5 4 Revision 4 March 1 2002...
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