57
b) Checking the swing of the rudder
If correctly built and the sender settings are made properly, the rudder should have the following swing values (measured
at the rear edge):
Elevator:
Approx. 12 mm up and down
Rudder:
Approx. 15 mm to the left and right
The rudder breakouts are preset ex works or result automatically from the respective structure of the model. If necessary,
you can increase or decrease the rudder breakouts by selecting other control points for the control rods on the servo
lever or rudder lever.
c) Checking the engine function
Attention!
Ensure that no loose parts, such as paper, film or other objects can be sucked into the propeller during
this motor test. Also make sure that the model is held securely during this test and that no parts of your
body are in the rotation and danger area of the propeller.
• First start running the transmitter then the model.
• Slide the control lever for the engine function (see fig. 3, Pos. 12) to the bottom position (engine off).
• Now press the release button for the engine function (see fig. 7a, Pos. 6)!
• If you push the operating lever for the engine function slowly upwards, the propeller starts and increases the rotation
speed in dependence on the position of the operating lever.
The maximum rotation speed is reached when the control lever is on the top end.
Perform a brief engine test and check the run of the propeller and the propeller catch.
d) Checking the center of gravity
• The center of gravity of the model is preset because of
design reasons and located approx. 55 mm behind the
front edge of the wing.
If the model is lifted to the left and right of this point by
the fuselage on the bottom of the wing, it should be in
balance or the nose slightly dropped.
• If necessary, the centre of gravity can be shifted by
adding sinkers at the tip of the fuselage or at the tail
strike.
Figure 21
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