SIG LIL' RASCAL, Assembly Manual, Page: 2 / 10

the wood to dimensionally “shrink” in the process. In turn, this may
cause some relaxing of the covering. However, this is easily taken
care of using a small heat iron, such as a small “trim seal” type unit.
When using a larger iron, we suggest using a “sock” of thin cloth
over the shoe to avoid scratches. The iron should be set to about
280
O - 300 O F. Use the heated iron over the wrinkle to lightly shrink
the material – do not press on it. Then lightly iron it back down to
the wood. The use of a heat gun is not recommended since the
parts are really too small. Avoid contact with the plastic windows
and windshield because the heat will distort the plastic.
Over-heating the covering seams may cause them to shrink too
much and possibly expose the wood beneath. For this reason, we
don’t suggest using a heat gun. A typical hobby type covering iron
will work just fine on a model of this size. A small “trim seal” iron
is perfect for controlling the heat applied to a specific area. Using
such an iron also minimizes the possibility of warping the thin
parts.
For part number reference, your Lil’ Rascal is covered in Oracover ®
film with the following part numbers: #10 White, and #21-29
Transparent Red, or #21-59 Transparent Blue.
REQUIRED TOOLS:
For proper assembly, we suggest you have the following tools and
materials available:
• A selection of glues - SIG Thin and Thick CA
and SIG Kwik-Set 5-Minute Epoxy
• CA applicator tips - fine
• Screwdriver Assortment
• Pliers - Needle Nose and Flat Nose
• Wire Cutters
• Pin Vise for small diameter drill bits
• Small T-pins
• Sandpaper
• Hobby Knife with sharp #11 blades
• Paper Towels
• Small Weights
FUSELAGE:
The fuselage is essentially complete with the wire rudder and
elevator pushrods already in place.
All that is required is the
installation of the rudder and elevator servos and connecting the
servo output arms to the “Z” bends on the pushrods. For this step
you will need the two required servos and the mounting screws
that came with them.
Remove the servo output arm retaining
screws and the output arms from the two servos.
The rudder and elevator servos are now installed into the fuselage,
from the top. First remove the battery hatch from the bottom of the
fuselage. Position the servos in place into the servo tray. Drill
small pilot holes for each servo screw using a pin vise and small
drill bit - we used a .040” (#60) drill bit for these pilot holes. Use a
small Phillips screwdriver to install the servo mounting screws all
the way. Now remove the screws and the two servos. Apply a
single drop of Thin CA glue to each screw hole and allow the glue
to set. Re-install the servos and their mounting screws into the
servo tray. From the bottom battery tray opening, route the two
servo leads out of the servo compartment and up through the rear
hole in the receiver mounting tray.
Test fit the two servo output arms onto each servo, positioned at
90
O
to the servo body. If these arms interfere with each other, trim
them accordingly.
Remove the servo arms. Attach the wire elevator and rudder
pushrods to the ends of each output arm. Place the arms back
onto the servo output shafts and re-install the output arm screws -
do not tighten these yet because they may have to be repositioned
when the radio system is tested and centered.
MOUNTING THE TAIL GROUP:
❑
1) From the kit contents locate the horizontal stabilizer and
elevator and the vertical fin and rudder. Also locate the two white
plastic control horns. NOTE: As received, the elevator and rudder
are only temporarily attached to the stabilizer and fin with unglued
CA hinges in the pre-cut slots. Remove the elevators from the
stabilizer and the rudder from the fin. Also remove the hinges from
them.
2