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Graupner MC18 Manual

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Code 91 Code 48 Code 47
Activating PROFITRIM Flap Elevator Elevator Flap
Activating PROFITRIM Trim Correction on activation of Flap Mixer Elevator Flap
42
A
N
.
T
R
I
M
3
4
A
C
T
1
2
Works only with (code 58) model types 6 and 9.
The adjustment controls of the PROFITRIM are
turned on and off using code 91.
The upper line of the display shows the inactive
controls, the lower line showing the active ones. The
regulators are switched between on and off by
entering the control number ( 1 … 4 ), whereupon the
display will update accordingly.
In the case of type 6 models, control 3 (aileron trim of
flaps) can not be used, since they are moved by a
common servo and in the same direction only.
Actual setting can be stored by turning the control off,
but only until the next trim the regulator is turned on
again, whereupon the initial reference point, set in the
course of programming, will be re-established.
F
L
A
P
E
L
E
V
o
f
s
-
7
3
+
s
+
3
3
%
Code 48 permits programming automatic correction of
elevator trim on response to actuation of the flaps, so
the attitude of the model won’t be affected by the
position of the flaps.
After calling code 48, only the offset value can initially
be performed, which is to say that the mixer has to be
told which position the operating element for the flaps
(normally a slider-type control) will occupy in the
normal flight (with flaps at neutral position). To this
end the operating element concerned is set
accordingly and then the STORE key is pressed.
The offset from the neutral position is shown on the
lower line of the display).
The mix quota can be adjusted using the INC and
DEC keys (in 1% steps) and the 6 or 8 key (in
10% steps), and set to 0 by pressing the CLEAR
key, with direction of the mix being changed by
pressing the TURN key.
Code 48 permits adjusting unequal mix quota and
directions. In the course of programming the
operating element for the flaps has to be set to the
end required to be adjusted.
E
L
E
V
F
L
A
P
-
s
+
2
0
%
To assist the elevator when the model is circling
tightly or when performing aerobatics, the flap
function can be slaved to the elevator control using
mixer code 47. The flaps being deflected downwards
when up elevator is applied, and deflected upwards
with down elevator. Thanks to this arrangement it is
possible to have the flaps drop when circling and up
elevator is applied, yet leave them inactive in the case
of down elevator.
The mixer can be turned on and off by an external
switch allocated by code 23.
After calling code 47, the mix quota for up and down
elevator can be adjusted separately using the INC
and DEC keys (in 1% steps) and the 6 or 8 key (in
10% steps). To achieve this, the elevator control has
to be moved into the corresponding position indicated
by the prefix + or – on lower line of the display. Using
the CLEAR key the value can be set to 0, and the
direction of the mix can be changed by pressing the
TURN key.
… 42 …


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