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Aircraft Control Systems: Trim Mechanisms

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Aircraft Control Systems: Trim Mechanisms

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Questions and Answers

How is stabilator trim controlled in an aircraft?

By an automatic electronic system

By a foot pedal located near the throttle

By a lever connected to the wing flaps

By a wheel and drum mounted on the floor tunnel between the front seats (correct)

What mechanism drives the rudder trim tab?

A manual lever near the control yoke

A push rod assembly connected to an actuator drum (correct)

A hydraulic actuator located in the cockpit

An electric servo motor

Where is the rudder trim control wheel located?

Next to the throttle control

Behind the flap control lever (correct)

Above the instrument panel

On the control yoke

Which of the following components is used to control stabilator trim in an optional installation?

<p>Electric Trim Control mounted on the control yoke</p> Signup and view all the answers

What method is used to operate the flaps in this aircraft?

<p>Manually operated</p> Signup and view all the answers

Study Notes

Trim Control Mechanisms

Pitch and yaw trim adjustments use distinct mechanisms for the stabilator and rudder.
Stabilator trim adjustments are enabled by either a wheel and drum or an optional S-TEC Manual Electric Trim Control on the control yoke.
The wheel and drum for stabilator trim is located in the floor tunnel between the front seats.

Stabilator Trim Mechanism

Cables from the trim drum extend backward to a screw assembly above the stabilator attachment point.
The screw assembly adjusts a pushrod, which in turn modifies the stabilator trim tab position.

Rudder Trim Mechanism

Rudder trim is controlled using a trim wheel located behind the flap control lever.
Cables for the rudder trim travel through the fuselage, reaching the tail section.
Cables connect to an aft actuator drum in the tail, where the rudder tab is manipulated by a push rod assembly linked to the actuator drum.

Flap Operation

Flaps are manually operated rather than controlled via trim mechanisms.

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Description

This quiz covers the pitch and yaw trim control systems in aircraft, focusing on the stabilator and rudder. It includes details on the mechanisms, like wheels, drums, and electric controls used for adjustment. Test your knowledge on how these components interact and function within an aircraft.