Glider
(GLID)
Section
– 73 –
4. If you want to zero out the amount of mixing on one side of the knob's travel, press the
Active/Inhibit (Clear)
key.
5. You can observe the effect of flap->aileron mixing on the aileron servos when the function is
turned on with the Ch. 7 switch, and you move the flap knob (VR1) back and forth.
F->E
— Flap
→
→ →
→
Elevator mixing
Flap → Elevator mixing (F->E) is used to make the elevator move to maintain trim
when the camber-changing/flap knob VR1 is rotated. It functions at the same time as flap-
>aileron mixing (see previous menu). F->E mixing is on only if the Ch. 7 switch is forward.
Setting Up Flap->Elevator Mixing
1. Get to the flap->elevator mixing function by locating the F->E menu with the
Up Down Edit
keys. The default is for it to be inhibited (
Inh
). Press the
Active/Inhibit (Clear)
key so that the
‘+
100%
’ display is shown, meaning the elevator follows the flaps 100%. Depending on the
position of the Ch. 7 switch, either 'On' or 'Off' will be flashing.
2. Press the
Cursor Right
key once, to get to the percent setting menu. Press the
Data +Increase
or
–Decrease
keys to adjust the amount of mixing to suit. You probably want to select a
number like 10% or less, since the elevator is very powerful as a trimming device.
3. Move the flap knob so the R/D display changes to L/U, or vice versa, and repeat the setting
adjustment for that side of the travel. You can set an input on each side of the flap knob.
4. If you want to zero out the amount of mixing on one side of the knob's travel, press the
Active/Inhibit (Clear)
key.
5. You can observe the effect of flap->elevator mixing on the elevator servo when the function
is turned on with the Ch. 7 switch, and you move the flap knob (VR1) back and forth.
CROW
— Crow mixing (airbrakes)
The Crow mixing function is useful for increasing the drag of a model during landing
approaches, which makes the approach steeper and slower, making landings shorter and easier.
This is especially useful for sailplanes, where applying down elevator to steepen the glide also
speeds things up and makes landings very difficult. Crow is activated by the flap (throttle) stick
position. Ailerons, elevator, and flaps are the three controls that are commanded by crow
function, which is also called “butterfly” in the sailplane world.
The idea of the crow function is to simultaneously raise the ailerons (which reduces the
wing’s lift), and drop the flaps (to regain the lift lost by the up aileron movement). Elevator
motion may also be also commanded if needed to prevent a trim change induced by the flap and
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