74
Program description: wing mixers – fi xed-wing model
into the fl ap channel. When an aileron command is
given, the fl aps “follow” the ailerons, although usually
through a smaller angle, i. e. the mixer ratio is gener-
ally less than 100%. The adjustment range of -150%
to +150% allows the user to set up the fl ap direction to
match that of the ailerons.
The fl aps should not defl ect more than about 50% of the
(mechanical) travel of the ailerons.
Pressing CLEAR resets the value to 0%.
Note:
If y
our model is equipped with only one fl ap servo, you
should still select “2fl ” in the “aile / fl ap” line of the »base
sett.« menu (see page 47) but leave this “aile ¼ fl ap”
mixer at 0%. In contrast, all the other wing mixers can be
used in the usual way.
brak ¼ elev (Airbrake ¼ elevator)
Extending any form of airbrakes usually generates an
unwanted change in pitch trim (nose up or nose down);
this is especially marked when a butterfl y (crow) braking
system is deployed (see next page).
This mixer feeds a corrective signal to the elevator to
compensate for this unwanted moment. The adjustment
range is -150% to +150%.
Pressing CLEAR resets the value to 0%.
“Usual”
values are generally in single to low double
ail ¼ rudd (Aileron ¼ rudder)
In this case the rudder automatically “follows” when an
aileron command is given, and the mixer ratio (degree
of following) can be set by the user. Coupled aileron
/ rudder (sometimes abbreviated to CAR; also known
as “combi-switch”) is especially useful for suppressing
adverse yaw in conjunction with aileron differential, and
this combination usually makes smooth turns very easy
to fl y. Naturally, the rudder can still be controlled sepa-
rately by means of its dedicated stick. If an (optional)
switch (SW 1 … 4) is assigned to this function, the mixer
can be turned on and off in fl ight, so that you can control
the ailerons and rudder separately if and when you so
desire.
Pressing CLEAR resets the value to 0%.
Often a v
alue around 50% fi ts.
ail ¼ fl aps (Aileron ¼ fl ap)
This mixer feeds a variable amount of the aileron signal
fl yers, when ailerons alone are often used for turning the
model.
Pressing CLEAR resets the value to 0%.
Note:
Although it is possib
le to enter negative values in order
to reverse the direction of servo rotation, this is not usu-
ally necessary if the correct channels are used.
diff. fl aps (Camber-changing fl ap differential)
The aileron / fl ap mixer (see below) is designed to
superimpose an aileron function on the fl aps. Flap
differential works like aileron differential, and produces
a reduced fl ap movement in the down-direction when
these surfaces are used as supplementary ailerons.
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 servo. “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 (“split” setting).
Pressing CLEAR resets the value to 0%.
Note:
Negativ
e values are not usually necessary if the correct
channels are used.
To Next Page
Loading...
Need help?
General
