Figure 7: Model and flap pre-selection
Activating the flap control
Both spoilers and flaps can be configured in various shapes and forms (via gyro
phases, switch channel or special flap phases) from software version 1.2.7 onwards,
meaning four-flap wing for motor models and six-flap wing for glider models can always
comfortably be achieved along with all the necessary elevator compensation. Butterfly is
also a given, as are additional airbrakes or SnapFlap on all desired channels.
Typical models with four flaps are the Heron and FunCub MPX airplanes. With the
Heron, the inner flaps can easily be paired with the ailerons, usually with less travel than
the ailerons themselves. In addition, a so-called Butterfly position can easily be
combined with the inner flaps down and the ailerons (less so) up, as an aid in
descending or an airbrake (spoiler). A small warping with all four flaps up (speed
position) and down (thermal and start positions) is also often desirable.
Whereas with the FunCub, the flaps are usually flat (no flap deflection) at one controller
end, and fully extended at the other controller end. Every position in between (controlled
via three-stage switch or slider) is of course feasible and permitted. However, mixing
with the ailerons is not permitted.
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