Rans S-7S COURIER, Text Manual

Page: 37 / 203

09/01/2014
01C-02
(AFTER PRIMING OF HORIZONTAL STABILIZER AND ELEVATOR FRAMES)
Refer to
FIGURE 01-11
8. Install the nut plates to the elevator horn attach holes on both elevators.
Refer to parts page.
9. Each horizontal stabilizer receives two ribs formed from aluminum sheet to
support the fabric. The forming process leaves the ribs slightly bowed.
10. Use fluting pliers and crimp the rib flanges slightly between the holes at
the notch locations to straighten ribs.
11. The ribs are riveted to the frame via welded tangs. Refer to FIGURE
01C-11 . NOTE: The ribs are symmetrical. There is no front or aft.
12. Deburr ribs, orientate as per FIGURE 01C-11 , and transfer drill through
tangs and rivet in place.
13. Elevator and horizontal stabilizer are now ready for covering. Refer to
COVERING for instructions.
INSTALLATION OF HORIZONTAL STABILIZERS
(AFTER COVERING AND PAINT OF HORIZONTAL STABILIZER)
14. Use a hot iron to burn holes through the fabric at the attach points for the
tail bracing, the elevator hinges, and the drain holes. Also, burn through
the aft side of the seaplane grommet on the right horizontal stabilizer.
15. Modify 14 attach tangs as per FIGURE 01C-15 . Use the 1:1 drawings to
layout the bends. The dimensions are not that critical, but try to get close.
However, the radius is important. We suggest the use of a block with a
radius. Clamp block, and tang in a vise. Use a light hammer to form the
tang. Take precautions against tooling marks. Mark tangs for identification.
16. Bolt the tangs to the corresponding position on vertical stabilizer,
horizontal stabilizers, and fuselage. Refer to
FIGURE 01C-16 . Do NOT
forget the washers.