Graupner Hendheld RC 2.4 GHz No. of channels: 12 33124 데이터 시트

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276 Detail program description - Control adjust
  F3A  model
F3A models are a part of the group of motor-driven 
winged models. They are powered by a combustion or 
electric motor. Models with electric motors can be used 
in both the electric acrobatic class F5A and are also 
competitive in the international model acrobatic class 
F3A.
The basic comments and notices for the mechanical 
installation of a remote steering system, which was 
already referred to in the fi rst programming example on 
page 236, also applies, of course, for F3A models and 
does not need to be mentioned here again.
Faultlessly constructed F3A models exhibit a largely 
neutral fl ying behavior. Ideally, they react with a good 
nature but precisely to control movements without the 
individual fl ight axes infl uencing one another.
F3A models are controlled with ailerons, elevator 
and rudders. Normally, each aileron is actuated by a 
separate servo. There is also the regulation of the drive 
output of the motor (throttle function) and a retractable 
landing gear in many cases. The assignment of the 
channels 1 to 5, therefore, do not differ from the 
previously described winged models. 
The additional "Retractable landing gear" function is 
to be provided on one of the auxiliary channels 6 to 
9. It is best to actuate the landing gear with a switch 
without center position. In addition, another mix offset 
for the carburetor can  – if necessary – be provided. You 
normally use one of the two proportional rotary controls 
on the transmitter, which actuates one of the unassigned 
auxiliary channels.
Receiver power supply
Free or aux. function
Free or aux. function
Rudder
Aileron or left aileron
Elevator or 1st elevator
Free or 2nd elevator or aux. function
Receiver power supply
Airbrake or throttle servo
or speed controller (electric motor)
Right aileron
Free or aux. function (retracts)
Free or aux. function (mixture)
Free or aux. function
Free or aux. function
With the assignment of auxiliary channels at the 
transmitter, we recommend making sure that the 
operating elements required for this are easily 
within reach, because during fl ight  – especially in 
competition – you have "very little time" to release the 
joystick.
Programming
Since the basic programming of the transmitter was 
already described in detail on pages 236 … 243, only 
F3A-specifi c tips are added here.
In the menu …
"Servo adjustment" 
(page 90)
S1
S2
S3
Rev cent
+
tr v
0%
0%
0%
100% 100%
100% 100%
100% 100%
0%
0%
100% 100%
100% 100%
S4
S5
… the settings for the servos are carried out. Experience 
has shown that working with at least 100 % servo 
throw is benefi cial, because the control precision 
is signifi cantly better if greater servo travel is used. 
This should already be taken into account during the 
construction of the model in the design of the rudder 
linkages. Check the servo's direction of rotation. The 
servo center should be adjusted mechanically, insofar as 
possible. 
Any corrections can be made on the software side in the 
third column during the initial test fl ights. 
Through the menu …
"Model type" 
(page 82 )
… the idle trim is activated for Channel 1 (normally 
"rear", because full throttle is "front"). The trimming then 
only works in the idle direction:
Tail type
Motor  at  C1
Nor mal
Aile/flaps
2AIL
M   O   D   E   L       T   Y   P   E
Brake Off
In 1
+100%
SEL
back
The remaining settings are made or left as shown in the 
fi gure.