RANS S-20 RAVEN
TEXT MANUAL
09/01/2013
08B-01
AILERONS AND FLAPS
1.
Use a light hammer and form AFT ends of ribs to follow contour of trailing
edge spar.
2.
Clean the entire frame thoroughly with Acetone or similar.
3.
Apply Anti-Chafe tape around sharp edges of ribs (masking tape) as
shown in
FIGURE 08B-03
.
4.
Perform pre-covering check using the following items.
Nut plates for hinge points (Flap) installed.
Anti-Chafe tape applied around sharp edges of ribs.
5.
Cut 2 pieces of fabric large enough to fit each frame as shown in
FIGURE
08B-05
.
6.
NOTE: The bottom fabric is glued around the Leading Edge Spar,
wrapped around and glued to the Trailing Edge Spar. The top fabric is
glued to the fabric at the Leading Edge Spar and then glued to the fabric
at the Trailing Edge Spar. Refer to FIGURE 08B-05.
7.
The fabric should extend past both ends of frames about 2”.
8.
Glue bottom fabric to Leading Edge Spar, (cut out to clear ribs) let dry and
iron edges down. Wrap around Trailing Edge and glue, (cut out to clear
ribs) let dry and iron edges down.
9.
Glue top fabric to Leading Edge and wrap under Trailing Edge and glue.
Refer to
FIGURE 08B-05
.
10.
Cut and glue fabric around both ends of frames (overlap fabric).
11.
Let dry and final iron entire surface for tightening of fabric.
12.
Apply Drain Grommets and Aileron Exit Rings (to the bottom side),
patches, and tapes (in this order). Modify the Hinge Exit Covers and Rings
per
FIGURE 08B-12
.
13.
Refer to
FIGURE 08B-13
for Ailerons.
14.
Refer to
FIGURE 08B-14
for Flaps.
15.
Iron along tapes and iron down tape edges.
16.
The Ailerons and Flaps are now ready for primer and paint.
