RANS S-20 RAVEN
TEXT MANUAL
09
/01/2013
08E-01
RUDDER
1.
Clean the entire frame thoroughly.
2.
Perform pre-covering check using the following items.
Hinge stop collars set and riveted.
Rudder frame primed.
NOTE: Each side of the rudder is covered with a separate piece of fabric.
3.
Cut fabric large enough to fit the frame and with enough excess to allow
gluing around the frame tubes all the way around.
4.
It does not matter which side you apply first.
5.
Glue fabric (first side) all the way around the frame tubes well past the
centerline of the tubes. Refer back to
FIGURE 08D-06
. You have to cut
the fabric in the corners and around the moving part of the hinge.
6.
Let dry and iron all fabric edges down.
7.
Pre-iron the fabric surface only enough to take wrinkles out.
8.
Glue fabric (second side) all the way around the frame tubes and past the
centerline as shown in
FIGURE 08D-06
.
9.
Let dry and pre-iron the surface only enough to take wrinkles out. Let dry
and final iron entire surface for tightening of fabric.
10.
Modify Rudder / Elevator Hinge Reinforcement per
FIGURE 08E-10
.
11.
The rudder uses a small piece of .020 Lexan as reinforcement on the
bottom forward end on both sides. Fabricate 2 from raw stock according to
FIGURE 08E-11
. Glue reinforcements on.
12.
The fabric will also need to be stitched with a single stitch to the center of
each rib. Refer to
FIGURES 08E-12
thru and
08E-12B
for details about
stitching.
13.
Apply reinforcements, patches and tapes (in this order). Refer to
FIGURES 08E-12
and
08E-12A
14.
Iron all surface tapes and patches, concentrating on the pinked edges.
Use care not to distort the tape or patches. Apply one coat of thinned glue
to all patches and surface tapes.
