SUPPLEMENT S2
Chapter 55 – Stabilator and Rudder
CHAPTER 55 – STABILATOR AND RUDDER
RUDDER AND THROTTLE ADDITIONAL CONTROLS
In order to install the additional control stick, the throttle control central unit in the
airplane basic configuration has been removed.
The stick installed on central instrument panel allows the control of the
rudder/steering line, throttle and flap system.
Directional Control
The central stick acts on a lever installed on the support located on the forward
fuselage structure and connected to the basic directional control system. The central
stick is then mechanically connected to the LH rudder pedal.
Movement along stick axis acts on rudder and steering:
PUSH for rudder and nose wheel to left (A/C nose left)
PULL for rudder and nose wheel to right (A/C nose right)
Throttle
The additional central stick can rotate around its axis and allows the control of the
engine power. The stick is mechanically connected to the airplane engine control
system, then actuation of the central stick moves the throttle lever on the instrument
panel (left side) and the friction knob operates on both standard and hand control
throttles
Movements around stick axis act on engine as follows:
turn clockwise to increase power
turn counter-clockwise to decrease power
Proper factory-set stops (approximately ±45°) warn pilot of the IDLE and FULL
positions.
In addition, the Change introduces the installation of a right throttle lever to provide
the engine control at an instructor seated on the right side.
The installation of the throttle lever on the right side is permanent and cannot
be removed when other elements of the kit for disabled pilots are removed from
the aircraft.
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