86
Program description:
Mixers
to suppress adverse yaw, but can even generate posi-
tive yaw, which means that the model yaws in the di-
rection of the turn when an aileron command is given.
In the case of large model gliders smooth turns can
then be fl own using ailerons alone, which otherwise is
usually by no means the case.
The adjustment range of -100% to +100% makes it
possible to set the correct direction of differential re-
gardless of the direction of rotation of the aileron ser-
vos. “0%” corresponds to a normal linkage, i.e. no dif-
ferential, while “-100%” or “+100%” represents the
“split” function.
For aerobatic fl ying low absolute values are required,
to ensure that the model rotates exactly around its
longitudinal axis when an aileron command is given.
Moderate values around -50% or +50% are typical for
making thermal turns easier to fl y. The split setting
(-100%, +100%) is popular with slope fl yers, as ai-
lerons are often the only turning control fi tted to this
type of model.
Note:
Negative values are not usually necessary if the cor-
rect channels are used.
Camber-changing fl ap differential
The aileron / fl ap mixer (see below) is designed to su-
perimpose an aileron function on the fl aps. Flap dif-
ferential works like aileron differential, and produces
a reduced fl ap movement in the down-direction when
the fl aps are employed as ailerons.
The adjustment range of -100% to +100% makes
it possible to set the correct direction of differential.
“0%” corresponds to a normal linkage, i.e. the servo
travel is the same up and down. A setting of “-100%”
or “+100%” means that the down-travel of the fl aps is
reduced to zero when an aileron command is given.
Note:
Negative values are not usually necessary if the cor-
rect channels are used.
Aileron 2
4 rudder
In this case the rudder automatically “follows” when
an aileron command is given, and the mixer ratio (de-
gree of following) can be set by the user. Coupled ai-
leron / rudder (sometimes abbreviated to CAR) is es-
pecially useful for suppressing adverse yaw in con-
junction with aileron differential, and this combinati-
on usually makes smooth turns very easy to fl y. Na-
turally, the rudder can still be controlled separately by
means of its dedicated stick. If an (optional) external
switch or control switch is assigned to this function,
the mixer can be switched on and off in fl ight, so that
you can control the ailerons and rudder separately if
and when you so desire.
A setting around 50% will seldom be far from the
mark.
(
CLEAR
= 0%.)
Aileron 2
7 fl ap
This mixer feeds a variable amount of the aileron sig-
nal into the fl ap channel. When an aileron command
is given, the fl aps “follow” the ailerons, although usu-
ally through a smaller angle, i.e. the mixer ratio is usu-
ally less than 100%. The adjustment range of -150%
to +150% allows the user to set up the aileron direc-
tion to match the direction of the ailerons, regardless
of the direction of rotation of the fl ap servos.
The camber-changing fl aps should not follow the aile-
rons to a greater extent than 50% of the (mechanical)
travel of the ailerons.
(
CLEAR
= 0%.)
The next three mixers “Brake
NN” are operated
using the control function 1, 8 or 9, depending on
the input you have assigned to the “Brake” func-
tion in the »Model type« menu. The offset (mixer
neutral point) is also defi ned in that menu, with a
“dead zone” if you wish.
0% (normal)
50% (differential)
100% (split)
Summary of Contents for MC-22S
Page 1: ...1 mc 22s GB mc 22s 3D Rotary Programming System Programming manual ...
Page 33: ...33 Digital trims ...
Page 55: ...55 Program description Base setup model ...
Page 77: ...77 Program description Flight phases ...
Page 89: ...89 Program description Mixers ...
Page 174: ...174 ...
Page 175: ...175 ...
Page 176: ...176 ...
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