Cirrus Design Section 7
SR22 Systems Description
P/N 13772-004 7-27P/N 13772-004 7-27
Landing Gear
Main Gear
The main landing gear are bolted to composite wing structure between
the wing spar and shear web. The landing gear struts are constructed
of composite material for fatigue resistance. The composite
construction is both rugged and maintenance free. The main wheels
and wheel pants are bolted to the struts.
Each main gear wheel has a 15 x 6.00 x 6 tire with an inner-tube installed
(Serials
3915 thru 4030, 4032, 4045 before SB2X-32-21
), or with a
tubeless tire installed (Serials
3915 thru 4030, 4032, 4045 after SB2X-
32-21, 4031, 4033 thru 4044, 4046 & subs
).
Standard wheel pants are easily removable to provide access to tires
and brakes. Access plugs in the wheel pants can be removed to allow
tire inflation and pressure checking. Each main gear wheel is
equipped with an independent, hydraulically operated single cylinder,
dual piston, disc brake.
Nose Gear
The nose gear strut is of tubular steel construction and is attached to the
steel engine mount structure. The nose wheel is free castering and can
turn through an arc of approximately 170 degrees (85 degrees either
side of center). Nose gear shock absorption is accomplished by an oleo
strut. Steering is accomplished by differential application of individual
main gear brakes.
Each nosewheel has a 5.00
x 5 tire with an inner-tube installed (
Serials
3915 thru 4030, 4032, 4045
before SB2X-32-21), or with a tubeless tire
installed
(Se
rials
3915 thru 4030, 4032, 4045 after SB2X-32-21, 4031,
4033 thru 4044, 4046
& subs).
Brake System
The main wheels have hydraulically operated, single-disc type brakes,
individually activated by floor mounted toe pedals at both pilot stations.
A parking brake mechanism holds induced hydraulic pressure on the
disc brakes for parking. The brake system consists of a master cylinder
for each rudder pedal, a hydraulic fluid reservoir, a parking brake valve,
a single disc brake assembly on each main landing gear wheel,
temperature sensors, and associated hydraulic plumbing and wiring.
Revision 1
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