7-8 P/N 13999-002 Info Manual
Section 7 Cirrus Design
Airplane Description SR20
Flight Controls
The SR20 uses conventional flight controls for ailerons, elevator and
rudder. The control surfaces are pilot controlled through either of two
single-handed side control yokes mounted beneath the instrument
panel. The location and design of the control yokes allow easy, natural
use by the pilot. The control system uses a combination of push rods,
cables and bell cranks for control of the surfaces.
Roll trim and pitch trim are available through an electric button on the
top of each control yoke.
Elevator System
The two-piece elevator provides airplane pitch control. The elevator is
of conventional design with skin, spar and ribs manufactured of
aluminum. Each elevator half is attached to the horizontal stabilizer at
two hinge points and to the fuselage tailcone at the elevator control
sector.
Elevator motion is generated through the pilot’s control yokes by
sliding the yoke tubes forward or aft in a bearing carriage. A push-pull
linkage is connected to a cable sector mounted on a torque tube. A
single cable system runs from the forward elevator sector under the
cabin floor to the aft elevator sector pulley. A push-pull tube connected
to the aft elevator sector pulley transmits motion to the elevator
bellcrank attached to the elevators.
September 2011
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