A22L2
-
POH-02
AEROPRAKT-22L2 Pilot Operating Handbook
8
2.2 Landing gear
Airplane landing gear is of tricycle type with steerable nose wheel. The main LG is of the
cantilever spring type. The main LG leg spring is made of aluminum alloy, it is attached to
the lower boom of the frame No
.
3 at two points: upper and lower supports
.
The support
brackets are machined of aluminum alloy
.
The main LG wheels are fitted with hydraulic
disk brakes
.
The nose LG leg is steerable, of trailing link type
.
The steering is ensured using the rudder
pedals via pushrods, connecting the left and right side pedals with a rocker on the strut.
The leg consists of a strut and a trailing link in form of nose wheel fork
.
The trailing link is
connected to the strut with a shock absorber/damper.
The nose leg is attached to the frame No. 1 at 2 points - on upper and lower supports
.
The
upper support is made of 5 mm 2024T3 aluminum alloy sheet and the lower one is build-
up
.
The supports are fitted with brass bearings.
Each wheel is fitted with a wheel spat (fairing) or mud screens (in case of the low-profile
tires and 6
.
00x6 wheels).
Landing gear data
:
wheel base- 1710 mm (5 ft 7 in),
wheel track- 1285 mm (4ft 2 in),
min
.
turn radius- 2 m (-7ft)
.
Main wheels
:
size- 5.00x5 or 6
.
00x6
pressure
-
1
.
6 kg/cm
2
(22.7 psi)
Nose wheel
:
size- 5.00x5 or 6
.
00x6 brakeless wheel
steering angle ±30 degrees
pressure- 0
.
16 MPa (1.6 kg/cm
2
)
2.3
Engine and its controls
A-22L2 can be equipped with a four-cylinder four-stroke Rotax-912UL or Rotax-912ULS
carburetor combined cooling engine produced by BOMBARDIER-ROTAX Inc
.
(Austria).
The engine is has the flat-four layout, dry sump lubrication system with a separate oil tank
of 3 I (0.8 US gal) capacity, automatic valve clearance adjustment, two carburetors,
mechanical membrane fuel pump, double electronic ignition system, integrated water
pump, electric starter, integrated gearbox of 2.273 or 2.43 reduction ratio
.
All engine systems (fuel, electric, cooling) are assembled in accordance with Rotax-912
engine operation manual.
The engine can be fitted with an air intake pre-heater box designed by Aeroprakt, which
improves engine operating conditions, preventing carburetor icing in cold weather and
increasing the engine output in hot weather
.
2.4 Propeller
A-22L2 can be equipped with any suitable propeller matching to Rotax
-
912 ULIULS engine
power output and the airplane speed range
.
One of the optional propellers is KievProp
three-blade on-ground adjustable propeller of 1.7 m (5'7") diameter.
Summary of Contents for 484
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