Bedienungsanleitung Multiplex ROYALevo12 (Seite 44 von 57) (Englisch)

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Instructions

Page 99

15.3.2. Parameter „Heading / Damping“

(Gyro gain)

In the gyro mode Control:

Gyro gain can only be adjusted manually using the

transmitter control Gyro (è 15.3.1 Mode à Control).

The set value of the Heading / Damping parameter

(gyro gain) has no effect in this gyro mode.

In the gyro mode Damping:

I is effective in the active model memory

4 allows separate values to be set for each flight

phase

Range 0 ... +100%

F can be assigned to 3-D digi-adjustor

The value for the parameter Damping (gyro gain) can be

set separately for each flight phase. The transmitter

control Gyro has no influence on the set values (è

15.3.1 Mode à Damping).

In the gyro mode Heading:

I is effective in the active model memory

4 allows two separate values to be set in each flight

phase, and called up using the Mix-1 switch

Range –100% (Heading) ... +100% (Damping)

F can be assigned to 3-D digi-adjustor

Two values for gyro gain can be set for each flight pha-

se. The switch Mix-1 is used to switch between the set-

tings (è 15.3.1.).

' TIP:

If you only want to be able to call up one gain setting in

a particular flight phase, regardless of the position of

the switch Mix-1, simply set the same values for both

switch positions.

The control Gyro has no influence on the set values.

! Note when using the gyro mixer in

Heading mode:

Before you operate the model, check carefully that the

gyro is working in accordance with the gain range you

have set:

1. Activate a flight phase in which

the gain range is 0 ... -100% (Heading).

2. Move the yaw (tail rotor) stick to either end-point

then back to neutral (centre).

If the yaw / tail rotor servo moves back to its starting

point, the gyro is working in Damping mode => the

direction of rotation of the Gyro channel must be re-

versed (è 16.1.1)

15.3.3. Parameter „Suppression“

I affects the active model memory

Range 2% ... 200%, increments of 2%

F can be assigned to 3-D digi-adjustor

The Suppression parameter is designed to provide a

user-variable linear reduction in gyro gain when the

associated transmitter control is moved to full travel.

This prevents the gyro system counteracting a deliber-

ate control command.

Values from 2% to 98% reduce the gain, but do not

suppress the gyro fully.

Values from 102% to 200% invoke full suppression be-

fore the yaw stick reaches ist end-position.

Suppression works in all gyro modes (Transmitter con-

trol, Damping, Heading) using the same value, regard-

less of flight phase.

Exception:

If gain is in the range 0 ... -100% (Heading).

! Note

Many gyro systems feature their own suppression func-

tion. In this case the suppression provided by the

transmitter must not be activated (Suppression => OFF).

Please read the operating instructions supplied with the

gyro.

15.4. Sub-menu „Tail rotor“

(static tail rotor compensation/Revo-Mix)

The ROYALevo’s Tail rotor mixer provides what is known

as “static tail rotor compensation”. If the pilot sends a

command to the hovering helicopter causing it to climb

or descend, the torque which the tail rotor has to coun-

teract increases or reduces accordingly, and the model

reacts by swinging around its vertical axis. If correctly

set up, this mixer compensates for torque changes. This

helps to prevent the model swinging, and also eases the

work of the gyro system, with the net result that a high

level of stabilisation is possible. Four parameters are

required for this:

Collective Pitch+, Collective Pitch-, Offset, Zero point

! Notes

Before you start setting up this mixer all the settings

which involve the rotor head must be completed, in-

cluding the collective pitch curves. Before you make any

fine adjustments during the test flying programme the

throttle curve must be set up accurately. If you subse-

quently alter the throttle curve it is usually necessary to

correct the Tail rotor mixer settings too.

If you use a heading lock gyro the TAIL rotor mixer

must not be used or must be switched OFF!

Please read

our notes regarding the GYRO mixer (è 15.3.).

Preparation:

• The servo TAIL must be assigned in the menu *

Servo / Assignment (è 16.2.), otherwise the TAIL

mixer will not appear in the menu G Mixers.

• When calibrating the Tail servo a 2-point calibration

is sufficient (è 16.1.).

However, it is important to ensure that the servo is

not mechanically obstructed (stalled) at either end-

point (P1, P5).

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