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F.8L Falco Construction Manual
23–6
Revision 4, March 1, 2002
Figure 5
❏
When the epoxy has set, remove the front wing spar and drill the holes for P/N 766
through the main wing spar as shown in Figure 5.
Note:
The best way to drill these holes is with a vertical milling machine or with a radial
arm drill. Most machine shops have a vertical milling machine. Only the largest machine
shops have a radial arm drill.
A Shopsmith is capable of being set up as a horizontal boring machine, and this would
work very well. Some radial arm saws can be set up for horizontal boring
Most builders will be able to drill these holes with a drill press. You should note that the
forward face of the main wing spar is tapered, so you must be careful to level the aft face.
The method that is used is that you carefully level the spar (using the aft face), drill one
hole, move the spar, level the spar and drill another hole, etc. It is quite easy to level the
spar with a water level on each end of the spar. Leveling the spar in the other direction is
more difficult. If the forward face of the spar is smooth and flat, the table of the drill press
will take care of this, but it is safer to use a water level to be sure. Due to the short height
of the spar, a water level will not give you an accurate method of leveling the spar. The
simplest way to accomplish this is to clamp a board to the forward face of the spar and use
this as the reference for the water level.
❏
When the holes are drilled, install P/N 771 on the forward face of the main wing spar.
Note that this fitting has grooves for the heads of the bolts.
The bushings for these landing gear fittings will not be installed at this time since the same P/N
768-in-P/N 766 jigging method will be used again.
In the following steps you will locate and install the landing gear side load fittings. These fittings
are located relative to B.L. 927.5 and the landing gear water line.
Figure 6
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...
Page 65: ...l F 8L Falco Construction Manual 9 6 Revision 4 March 1 2002...
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Page 393: ...l F 8L Falco Construction Manual A 6 Revision 4 March 1 2002...