Futaba 8UHFS, 8UHPS - Manual (Page 52)

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Elevator-to-flap mixing makes the flaps drop or rise whenever the elevator stick is
moved. It is most commonly used to make tighter “pylon” turns or squarer corners
in maneuvers. In most cases, the flaps droop (are lowered) when up elevator is
commanded.
Setting Elevator-to-Flap Mixing
To V-TAIL function
To ABRAKE function
Allowed flap travel
Range: -100 to +100%
Initially set to 50%
Flap UP and DOWN travel
input
Push the elevator stick in the
direction you want to adjust
and set the desired travel with
the (+)/(-) keys.
Press the (+)/(-) keys
simultaneously to reset to
50%.
Data input keys
These keys are used to move through the
two submenus in the ELE-FL function.
Turn the ELE-FL function ON or OFF by pressing
the (+) key ("ON" or "OFF"displayed ). Turn off
(INH) the function with the (-) key.
Flap travel due
to DOWN
Elevator stick Flap travel due
to UP Elevator
stick
V-tail mixing is used with V-tail aircraft so that both elevator and rudder functions are
combined for the two tail surfaces. Both elevator and rudder travel can be adjusted
independently on each surface. Because they share receiver outputs, Elevon and V-
Tail mixing cannot be activated simultaneously.
Setting up V-Tail mixing
Be sure to move the elevator and rudder sticks continually while checking the servo motions. If a large value of
travel is specified, when the rudder and elevator sticks are moved at the same time, the servo travel may be
large, and controls may bind or run out of travel.
To ELEVON function
To ELE-FL function
2. Set elevator travel for CH2
servo with the (+)/(-) keys.
Repeat for:
3. CH4 servo elevator travel
(ELE2)
4. CH2 servo rudder travel
(RUD2)
5. CH4 servo rudder travel
(RUD1)
Data input keys
These keys are used to move through the
five submenus in the V-TAIL function.
1. Turn the V-TAIL function ON by pressing the
(+) key ("ON" displayed ). Turn off (INH) the
function with the (-) key.
Travel being
set:
ELE1
ELE2
RUD2
RUD1 Servo travel
Range: -100 to
+100%)
Initial values:
RUD1, RUD2,
ELE1 = +50%
ELE2 = -50%
Elevator
Rudder ELE1
RUD2 ELE2
RUD1
Receiver Output
CH2 CH4
Stick Command