34
Hangar 9 Saratoga Assembly Manual
Center of gravity
An important part of preparing the aircraft for flight
is properly balancing the model.
Caution: do not inadvertently skip this step!
The recommended Center of Gravity (CG) location for the
your model is 2
3
/
4
-inch (70
mm) back, or 25% of the chord,
from the leading edge of the wing. Mark the location for
the Center of Gravity on the bottom of the wing next to the
fuselage as shown. The CG range for your model is 2
1
/
2
to 3
inches (64mm to 76mm) from the leading edge of the wing
When balancing your model, support the plane upright at the
marks made on the bottom of the wing with your fingers or
a commercially available balancing stand. This is the correct
balance point for your model. You might find you may be
required to add a small amount of weight to either the front
or back of the fuselage to achieve the correct balance.
After the first flights, the CG position can be adjusted for
your personal preference.
Control Throws
Step 1
Turn on the transmitter and receiver of your model. Check
the movement of the rudder using the transmitter. When
the stick is moved right, the rudder should also move right.
Reverse the direction of the servo at the transmitter if
necessary.
Step 2
Check the movement of the elevator with the radio system.
Moving the elevator stick toward the bottom of the
transmitter will make the airplane elevator move up.
Step 3
Check the movement of the ailerons with the radio system.
Moving the aileron stick right will make the right aileron
move up and the left aileron move down.
Step 4
Use a ruler to adjust the throw of the elevator, ailerons and
rudder.
Aileron High Rate
Up
5/8-inch
(16mm)
20 Degrees
Down
5/8-inch
(16mm)
20 Degrees
Aileron Low Rate
Up
3/8-inch
(10mm)
12 Degrees
Down
3/8-inch
(10mm)
12 Degrees
Elevator High Rate
Up
1
1
/
8
-inch
(29mm)
22 Degrees
Down
1
1
/
8
-inch
(29mm)
22 Degrees
Elevator Low Rate
Up
7/8-inch
(22mm)
14 Degrees
Down
7/8-inch
(22mm)
14 Degrees
Rudder High Rate
Left
1
3
/
4
-inch
(44mm)
23 Degrees
Right
1
3
/
4
-inch
(44mm)
23 Degrees
Rudder Low Rate
Left
1
1
/
4
-inch
(32mm)
15 Degrees
Right
1
1
/
4
-inch
(32mm)
15 Degrees
note
: Measurements are taken at the inner or widest
point on the control surface.
These are general guidelines measured from our own flight
tests. You can experiment with higher rates to match your
preferred style of flying.
note
: Travel Adjust, Sub Trim and Dual Rates are
not listed and should be adjusted according to each
individual model and preference.
