The left magneto is fitted with an impulse coupling, therfore, the “L” position is
recommended for starting.
Engine Instruments
The engine instruments fitted comprise a tachometer, cylinder head temperature
gauge, oil pressure and oil temperature. The tachometer is in front of the pilot
and the other instruments are above and to the right of the engine controls.
Pilot’s Operating Handbook VH-SJH Chapter 3
AIRCRAFT SYSTEMS
6 Aircraft Controls
Control Columns
Conventional, dual control columns operating the elevators and ailerons are
provided. Anti-friction bearings and ball-races are used throughout and with the
cables properly adjusted there is little or no control friction.
Rudder Pedals
Dual non-adjustable type rudder pedals are fitted with toe brakes. The tailwheel is
connected to the rudder for steering on the ground.
Trim Tabs
The elevator trim tab fitted to the port elevator is controlled by a lever mounted
centrally in a box between the two seats. Settings designated NOSE UP and
NOSE DOWN are clearly marked on the box at each side of the lever which
operates in the normal sense
A tab, fitted to the starboard elevator adjusts automatically as the flaps are
operated to cancel out changes of trim.
Flap Controls
Cable operated wing flaps are controlled by a flap lever positioned in the control
box between the seats just forward of the elevator trim wheel.
The lever operates in the natural sense. Three positive positions are provided.
UP
- fully
forward
20º
- mid-position
35º
- fully
down.
To lower the flaps it is necessary to disengage a spring-loaded pawl from the
forward cut-out in the flap quadrant by operating a moveable sleeve forming the
handle of the flap lever. This is achieved by placing the thumb on the button
provided at the extreme end of the flap lever and squeezing upwards, the total
movement being approximately 12.5mm (½ inch). Once the lever has been
