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16.
Use a piece of spring wire inserted through the fuselage to fish the threads into the servo
compartment.
17.
Feed the thread from the top of the
servo arm down through the hole in
the servo arm then up through the
adjacent hole.
18.
Clamp the control surface to the
neutral position.
19.
Partially loosen the servo arm screw,
and check to see that the servo is still
centered.
20.
Lightly tension the thread for zero
deflection on the control surface,
21.
Wind the thread around the raised
screw and tighten the screw to set
your zero point. Do Not rotate the servo
while tightening the screw!
22.
Trim the thread leaving it ~30 mm (~1”)
long. This will allow you to easily adjust the neutral point if needed.
23.
Adjust the servo arm position and thread to achieve equal deflection in both directions.
(See
Control Setup
, p. 30)
24.
Repeat for the other servo.
Installing the Electronics
Because of the variations in radio equipment, the instructions that follow are generalizations
only. They reflect a system based on an 800mAh 2S LiPo battery from Common Sense RC, a
Hitec Optima 6 receiver, and KST X08 servos mounted in the front section of the fuselage,
between SP1 and SP2. Things such as different servos, servos mounted in the second
compartment, a smaller receiver or a different battery are all things that might dictate a slightly
different arrangement.
As you install your gear, keep in mind: A) Balance and how the distribution of the gear will
affect your CG, B) Additional weight may be required in the nose, and C) How you’re going to
secure the receiver and battery to prevent damage in the event of a crash.
The above gear worked well with the receiver slipped into the bottom of the forward
compartment and secured with hook-and-loop strips (Velcro). As you can see, the servos are
mounted in the forward compartment. The battery fits snuggly on the nose plate above the
receiver and just forward of the servos. A flat balancing weight sits on top of the aft end of the
LiPo. Yes, it is tight, but it works!
Again, your experience may vary.
Figure 32: Receiver and Servos @ Max Deflection
NOTE: The RX is actually sitting below the servo tray.
