
59
7-9
PITCH-TO-ELEVATOR MIXING ADJUSTMENT WITH TRAVEL ADJUST
The total travel of each servo can vary slightly, which can also cause the swashplate to be tilted fore and aft
when the collective is moved to the extreme high and low pitch positions. This situation can also be corrected if
necessary through the use of the travel adjustment function.
To check pitch-to-elevator mixing, it will first be necessary to position the collective stick in the center position
as in the previous steps. Next, move the collective stick from the center to the high pitch position while viewing the
swashplate from the left side of the model. While moving the swashplate, look for any tendencies for the swashplate
to tilt fore or aft as it reaches the high pitch positions. Repeat this procedure several times to be sure that your
observations are correct. If no fore or aft tilting tendencies are found, it will now be necessary to repeat this
procedure from the center collective stick position to full low pitch. If no tilting tendency is found, proceed to the
next step.
In our example, we have shown that the swashplate has tilted forward as the collective has been increased to full
high pitch. This would indicate that the top servo’s maximum travel is more than that of the two left/right servos.
In this condition, we suggest that the travel value for the top servo be decreased slightly (5–10%). Repeat the
above procedure and decrease the value as needed until the tilting tendency is eliminated. For information on the
travel adjustment function, please refer to your radio’s instruction manual for details. Once this condition has been
corrected, repeat this procedure for the center to low collective pitch position and adjust as needed.
Note:
It is very important that during this step, only the travel value for the top servo (elevator) be adjusted to
correct any pitch-to-elevator tendencies. If the travel value of the left or right servo changes, this will
affect the pitch-to-aileron tendencies corrected in the previous step. If you feel that readjustment of the
left and right servo travel is necessary, then it is suggested that the travel for each servo be increased or
decreased at the same amount and the pitch-to-aileron procedure be retested.
View is shown from the left side of the
model. Notice how the swashplate has
tilted forward as the collective has
moved from the center to the full high
pitch position.
High
Low
ELEV=
Top Servo
AUX1=
Right Front Servo
AILE=
Left Front Servo
A
B
C
C
B
A
Содержание Vigor CS
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