Balance the model, Set the control throws – Great Planes Big Stik 60 ARF MonoKote - GPMA1221 User Manual

Page 17

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3. Make certain that the control surfaces and the

carburetor respond in the correct direction as shown in the
diagram. If any of the controls respond in the wrong direction,
use the servo reversing in the transmitter to reverse the
servos connected to those controls. Be certain the control
surfaces have remained centered. Adjust if necessary.

Use a Great Planes AccuThrow (or a ruler) to accurately
measure and set the control throw of each control surface
as indicated in the chart that follows. If your radio does not
have dual rates, we recommend setting the throws at the
low rate setting.

NOTE: The throws are measured at the widest part of the
elevators, rudder and ailerons.

At this stage the model should be in ready-to-fly condition
with all of the systems in place including the engine, landing
gear, covering and paint and the radio system.

More than any other factor, the C.G. (balance point) can
have the greatest effect on how a model flies and may
determine whether or not your first flight will be
successful. If you value this model and wish to enjoy it for
many flights, DO NOT OVERLOOK THIS IMPORTANT
PROCEDURE.
A model that is not properly balanced will
be unstable and possibly unflyable.

Balance the Model

IMPORTANT: The Big Stik ARF has been extensively flown
and tested to arrive at the throws at which it flies best. Flying
your model at these throws will provide you with the greatest
chance for successful first flights. If, after you have become
accustomed to the way the Big Stik ARF flies, you would like
to change the throws to suit your taste, that is fine. However,
too much control throw could make the model difficult to
control, so remember, “more is not always better.”

These are the recommend control surface throws for the
Big Stik .60:

High Rate

Low Rate

ELEVATOR:

7/8" [22mm] up

5/8" [16mm] up

7/8" [22mm] down

5/8" [16mm] down

RUDDER:

1-1/2" [38mm] right

1-1/4" [32mm] right

1-1/2" [38mm] left

1-1/4" [32mm] left

AILERONS:

1" [25mm] up

3/4" [19mm] up

1" [25mm] down

3/4" [19mm] down

These are the recommend control surface throws for the
Big Stik .40:

High Rate

Low Rate

ELEVATOR:

3/4" [19mm] up

5/8" [16mm] up

3/4" [19mm] down

5/8" [16mm] down

RUDDER:

1-3/8" [41mm] right

1" [25mm] right

1-3/8" [41mm] left

1" [25mm] left

AILERONS:

7/8" [22mm] up

5/8" [16mm] up

7/8" [22mm] down

5/8" [16mm] down

Set the Control Throws

CARBURETOR WIDE OPEN

NOSE WHEEL TURNS RIGHT

RUDDER MOVES RIGHT

LEFT AILERON MOVES DOWN

RIGHT AILERON MOVES UP

ELEVATOR MOVES UP

4-CHANNEL

TRANSMITTER

(STANDARD MODE 2)

4-CHANNEL RADIO SETUP

TRANSMITTER

4-CHANNEL

TRANSMITTER

4-CHANNEL

TRANSMITTER

4-CHANNEL

17

C.G.

.40 Size

.60 Size

Starting Point

3-3/4

" [95mm]

4

" [102mm]

Total Range

3-1/4

" to 4"

3-3/4

" to 4-1/2"

[82mm to 102mm]

[95mm to 115mm]

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