57
Dual Elevator Servos (with a rudder)
(
AILEVATOR
) (
ACRO
): Many models use two elevator servos, plugged in separate
receiver channels. (Flying wings without a separate aileron control use
ELEVON
. V-shaped tail models use
V-TAIL
, p. 58.
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• Ability to adjust each servo's center and end points for perfectly matched
travel.
• Ease of assembly, not requiring torque rods for a single servo to drive 2
surfaces.
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• Redundancy, for example in case of a servo failure or mid-air collision.
Adjustability:
• CH2 and CH8 only. (With programmable mixing, could utilize CH5 as the 2nd elevator servo. See www.futaba-rc.com\
faq\ for examples.)
THROTTLE-NEEDLE
uses CH8 and cannot be active simultaneously.
• Direction of each servo's travel may be reversed in
REVERSE
or the set percentages may be reversed here.
• Elevator travels independently adjustable (both directions and percent).
• Optional action as ailerons (defaults to
50%
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AIL1
and
2
to
0
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AIL1
and
2
to
0
here, and use 2
mixes .
AIL-to-ELEV
and
AIL-to-AUX2
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assigned switch is on. See p. 68.
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AIRBRAKE
/
crow etc, please visit www.futaba-rc.com\faq\. Many other setups are also available.)
The
AILEVATOR
mixing function uses one servo on each of the two elevators, and combines the elevator function with the
aileron function (unless aileron travel is set to
0
). For aileron effect, the elevators are raised and lowered opposite of one
another in conjunction with the ailerons.
Once
AILEVATOR
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programming moves your ailerons (ie.
RUDDER-AILERON
mixing), the radio automatically commands both elevator servos
to also operate as ailerons. To deactivate this action, simply set the 2 aileron travel settings to
0
in the
AILEVATOR
function.
This way the elevators will work only as elevators.
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GOAL of EXAMPLE:
STEPS:
INPUTS:
Activate twin elevator servos.Deactivate
the elevator-acting-as-ailerons portion
of this function.
Note: Depending upon your model's
geometry, you may need to reverse one
servo or set a negative percentage here.
Open the
AILEVATOR
function.
for 1 second.
(If
BASIC
,
again.)
C
to
AILEVATOR
.
Activate the function.
C
to
MIX
.
to
ACT
.
Optional: adjust up/down travel when
operating as ailerons. (Ex:
0
.)
C
to
AIL3
.
to
0%
.
C
to
AIL4
.
to
0%
.
Optional: adjust total elevator travel
of each servo. (Ex: right servo elevator
travel to
98%
, left to
96%
.)
C
to
ELE2
.
to
98%
.
C
to
ELE1
.
to
96%
.
Close menu.
Where next?
Adjust individual servo's
SUB-TRIMs
: see p. 49 and
END POINTs
: see p. 39.
Set up Twin Aileron Servos: see p. 51.
Set up
AIRBRAKE
mix: see p. 63.
