Chapter 9 -
Rudder
9.2 - Right side assembly
Page 149
8.10
Right side mount
Initial assembly will start with the right side panel. Temporarily secure the panel
(outside down) to a flat surface with sergeants. Note that the front counterbalance section
should not be contained in the flat position, but the centerline of this front rib should line
up with the centerlines of the rear ribs.
Position the spar in position with the front face 1 ¼ inches behind the edge of the
hinge line. Clear any interference to this fitting and temporarily tape it in place. Sand the
back edges of the spar to improve the fit of the casing angles.
Locate the rear rib sections and establish positions with the top surface of the top of
the rear top rib aligned with the top inside corner of the hinge line edge. The next ribs are
22 and 44 inches down respectively.
Position the front rib section paired with the lower edge of the counterbalance area.
The centerline of this rib should be a continuation of the centerline of the respective back
rib as determined above.
Clean the parts and resolve any problems with the fit. Locate and mark the sticking
areas for these parts and remove them. Clean, roughen all these areas about 2 inches wide
and prepare the rib faces and spar for gluing.
Inspect the assembly and check for correct alignment of all components.
Correct if required.