The advanced developments incorporated into the
transmitter as well as those now in helicopter models
and their components like gyros, speed regulators,
rotor blades, etc. make it possible to master a heli-
copter even in 3D acrobatic flight. On the other hand,
a beginner needs only a few settings to get started
with hovered flight training then, step-by-step, take
advantage of mc-3 2 HoTT features with increasing
expertise.
The
mc-32 HoTT program can operate all con-
ventional helicopters having 1 … 4 servos for pitch
control.
Seven flight phases plus autorotation are available
within a model memory, see menus »Control adjust«,
»Phase settings« and »Phase assignment«.
As with winged aircraft, here too, in addition to the
basic screen's standard timers there are additional
timers as well as a lap counter with flight-phase-
dependent stopwatch functionality which are available
for selection (menus »Timers (general)« and »Fl.
phase timers«).
Except for pitch/throttle trimming, digital trimming can
be stored as "global" for all flight phases or as "flight
phase specific". C1 trim permits easy location of an
idle setting.
The control assignments for inputs 5 … 16 is made
separately for each flight phase (»Control adjust«
menu).
A flight phase copy function is helpful during flight tri-
als (»Copy / Erase« menu).
"Dual Rate" and "Exponential" functions can be cou-
pled for roll, nick and tail rotor and programmable in
two variations in every flight phase.
There are 8 freely assignable linear mixers. There
are also 4 curve mixers that can be programed and
these can also be switched on or off, depending on
the flight phase, in the »MIX active/phase« menu.
Beyond this, there are also 4 dual mixers available.
The »Helicopter mixer« menu provides flight-phase-
dependent 8-point curves for the non-linear charac-
teristics pitch, throttle and tail rotor mixer as well as
two independent swashplate mixers each for roll and
nick. Independent of this, the control curve of the
channel 1 stick can be defined with up to a total of 8
points in every flight phase. The beginner will initially
only adapt the hover flight point to the control middle
for the non-linear characteristics.
Pre-programmed mixers in the »Helicopter mixer«
menu:
1. Pitch curve (8-point curve)
2. C1 throttle (8-point curve)
3. Channel 1 tail rotor (8-point curve)
4. Tail rotor throttle
5. Roll throttle
6. Roll tail rotor
7. Pitch-axis throttle
8. Pitch-axis tail rotor
9. Gyro suppression
10. Swashplate rotation
11. Swashplate limiter
The "Throttle limit" function (input Tl16 in the »Con-
trol adjust« menu) allows the motor to be started
in any flight phase. From firmware version 1103 the
right-side proportional rotary slider is no more as-
signed to input "Tl16" by default. This "throttle lim-
iter", which can however always been set again if
necessary, establishes – depending on its given posi-
tion – the maximum possible throttle servo position.
This makes it possible for the motor to be controlled
in the idle range, if necessary even by the proportion-
al regulator. The throttle curves become effective only
when the proportional regulator is pushed toward the
full throttle direction.
Collective
Pitch Curve
Swashplate
Rotation
Roll
Throttle
Pitch-Axis
Throttle
Channel 1
Throttle
Roll
Tail Rotor
Pitch-Axis
Tail Rotor
Channel 1
Tail Rotor
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