Century Hawk Pro Instruction Manual download pdf (Page 39)

Travel Adjustment ( endpoints )

Using endpoints to adjust to the limits of how far the servo is allowed to move is very convenient for fast set-up.

If binding occurs simply reduce the travel in that direction. ** Note: by changing one side only (high or low

stick) the servo travel is no longer linear which will tend to make that control surface unstable. It is better to set

the high/low adjustments the same, or make actual pushrod adjustments.

Sub Trims

The sub trims on the outside of

your transmitter are used to fine

tune the servo center positions

while testing or in-flight. If the

trim has to be moved more than

2-3 divisions then readjust the

linkage length to set the trim

back in the center.

Exponential

The exponential function

allows adjustment of how

sensitive the cyclic controls are

when the machine is hovering.

This should be left at 0%

(linear) until all trimming is

complete.

Pitch & Throttle Curve Adjustments

The ultimate goal for adjusting the curves on your heli-

copter is to reduce how much the tail rotor moves during

flight and aerobatics. This leads to maintaining a consis-

tent main rotor RPM which can only be achieved through

adjusting the individual values which control the pitch

and throttle at a given stick position.

Servo Direction (Servo Reversing)

Check that all servos move in the correct

directions, see the diagram on pg 36.

Dual Rates

For beginners ( using the flybar weights )

the dual rate values should be set at 100%

for both switch positions until hovering

has been mastered.

Normal position: (high rate) 100%

Switch position 1: (low rate) 75%

Now that the servo installation into the helicopter is finished the following pages should be reviewed. As

various types of radios can be used to setup the helicopter, some of the following information may not apply.

Final Adjustments - Radio Setup

Pitch Curve Adjustment

The following chart shows the values for the collective

pitch measured in degrees which are made on the heli-

copter using a pitch gauge. The Travel Adjustment

function (if available makes these settings easy).

For the beginner it is recommended to set the low stick

position to 0 degrees to avoid damaging the helicopter

while reducing the power during the first few flights.

These settings will need slight adjustment to keep the

helicopter at a consistent height at mid stick.

Flight Setup Method Low Pitch Hovering High Pitch

Mode (low stick) (mid stick) (high stick)

N Beginner 0 5 9

N Hovering -2 5 9

1 Stunt & Aerobatics -5 5 8

2 3D** -7 0 10

H Autorotation -5 5 12

Pitch Curve Values

( N - Normal flight mode, 1 - Stunt mode one, 2 - Stunt mode two,

H - Throttle hold-autorotation )

Note** In order to avoid binding at high pitch angles the flybar control

arms need to be reset at an angle of 10-15 degrees down from parallel.

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Century Hawk Pro Instruction Manual Page 39

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