Chapter 8 - Aileron
8.5 - Installation of the top coating
Page 145
Position the aileron in the correct position on the wing, observe and mark the
location of the actuator arm (KS-4) which should be centered on BL 119.5 (The aileron
inner edge reference is BL 114 ).
This should position the actuation arm to align with the actuation rod location on
the wing. The fit is about 1/8 inch from the lower edge of the spar (see figure). Drill the
holes and temporarily install the arm using the screws and anchor nuts in the proper
position. Remove screws and actuation arm and install locknuts with recessed head rivets
provided (cut to correct length before positioning).
Also note and mark the location of the hinges, BL 116 and 146 internal (each with
9 inches width). Fill the actuation holes with wax for future glass work.
8.5
Top coat installation
Position the top casing in position on top of the mount and carefully inspect the ribs
and spars for fit. Rework any high spots observed by sanding the spare surface. Make as
many experimental setups as required to get a good fit.
Prepare the areas for gluing and roughen them in a path about 2 inches wide in
either area (this includes the trailing edge of both coatings).
With the bottom liner carefully positioned in the dry mount, it might be a good idea
to drill 2 small holes through both liners, one at each end near the trailing edge to install
the alignment pins for the gluing operation.
8.5.1
Gluing the top coat
Dig out the ribs and spar and fill with a dry MICRO paste about ¼ inches taller than
the edges of the ribs and spars.
Wet the inner surfaces of the top coat that have been prepared for bonding with a
standard epoxy mixture. Also place the MICRO paste on the trailing edge where it will
be glued to the top.