16
a little “play” to allow the wheel to rotate freely.
b) Next put two flat metal washers on the axle, up against the
lock nut. These will serve as spacers to get the wheel in the cen-
ter of the wheel pant.
c) Now poke the threaded end of the axle bolt through the bot-
tom hole in the aluminum landing gear.
d) Last, thread another M4 lock nut onto the axle, tightening it
up against the landing gear.
e) Repeat steps a) through d) to mount the remaining wheel
on the opposite landing gear leg.
❑
2) Mount the wheel pants onto the aluminum landing gear.
Before beginning note that there is a front and rear edge to the
aluminum landing gear. In the side view, the landing gear legs
are canted slightly forward. Be sure to mount the landing gear
and the self-aligning wheel pants in the correct direction!
a) Slip the wheel pant over the top of the wheel and slide it
down in place over the wheel and onto the inner M4 lock nut.
Doing this should line-up the holes in the aluminum landing gear
with the holes in the wheel pant.
b) Use two M3 x 8mm bolts with M3 split-ring lock washers to
mount the wheel pant to the landing gear leg. Check the wheel
for free rotation.
c) Repeat this procedure to mount the remaining wheel pant
on the opposite landing gear leg.
❑
3) The completed landing gear is now mounted to the fuselage
using two M4 x 20mm bolts and split ring lock washers. Be sure
to use a little thread-locking compound on the threads and snug
the bolts in place firmly.
The aileron servos and the throttle servo (glow only) are already
installed and ready to use. The rest of the radio installation con-
sists of mounting the elevator and rudder servos in the fuselage,
along with the receiver, battery pack, and switch.
ON/OFF SWITCH
The switch can be mounted in any position provided its leads can
reach the receiver and battery pack.
External Mount: The switch can mounted directly into the side of
the fuselage, using the hardware and plastic parts that are in-
cluded by the radio manufacturer. Typically, an externally mounted
switch is placed on the left side of the fuselage. For glow engine
powered airplanes, you definitely want the switch on the side away
from the exhaust. Start by using the switch cover plate as a tem-
plate to mark the location of the two mounting holes and the open-
ing needed for the switch to operate. Be sure there is solid sheet
balsa under the covering in the area you are putting the switch.
Use a modeling knife to cut the opening. Use a 1/16” dia. drill to
make the holes for the bolts. Install the switch.
Internal Mount: Some flyers prefer to mount the switch internally,
to keep it away from dirt and fuel. If you wish to mount your switch
inside the fuselage, you can simply stick it to the floor with dou-
ble-sided servo tape (not supplied). Bend and install a push/pull
wire that extends out of the fuselage side. To do this, just drill a
1/16" dia. hole through the top of the switch lever and use a piece
of 1/16" dia. music wire to activate the switch.
ELEVATOR & RUDDER SERVOS
Mount the elevator and rudder servos in the plywood servo tray
using the screws and rubber grommets that came with your radio
system. The elevator servo should be mounted in the right rear
opening of the servo tray. The rudder servo should be mounted
in the left rear opening. Be sure to drill pilot holes in the plywood
servo tray before trying to screw the servo in place.
RECEIVER
Following the radio manufacturer's instructions, plug all the wires
for the servos, battery pack, and switch harness into the receiver
so the radio system is fully operational. Double check to be sure
that each servo is plugged into its correct receiver terminal and
that it is responding properly.
If you are using glow power, wrap the receiver in a single layer of
1/2” thick soft foam rubber to insulate it from vibration and shock.
Use tape or rubber bands to hold the foam around the receiver.
Stuff the receiver directly beneath the servo tray and use addi-
tional foam, or a plastic “cinch” strap, to hold it in place.
Receiver antennas come in all shapes and sizes since the advent
of 2.4ghz radio systems. Secure your antenna in the airplane as
recommended by your radio manufacturer.
RECEIVER BATTERY PACK
If you are using a receiver battery pack (all glow and some non-
BEC electric motor installations) wrap the battery pack with a sin-
gle layer of 1/2” thick soft foam rubber to insulate it from vibration
and shock.
For now, leave the receiver battery pack loose on the bottom of
the fuselage in front of the servos. Later, when the Center of
Gravity (CG) is established, the final position of the battery pack
will be determined.
ELEVATOR AND RUDDER PUSHRODS
The nylon outer pushrod sleeves have already been installed in
your model. What remains is to make the nylon inner pushrods
to connect from the servos to the rudder and elevators.
RADIO INSTALLATION