Shimmy Dampener in Nose Gear

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Questions and Answers

What is the purpose of the shimmy dampener provided for the nose gear?

To provide hydraulic fluid pressure to the nose gear
To offer resistance to shimmy (correct)
To reduce friction in the nose wheel steering system
To increase the speed of the nose wheel

What causes relative motion between the dampener shaft and housing?

Expansion of the hydraulic fluid
Vibration of the aircraft
Movement of the nose wheel up and down
Turning of the nose wheel right or left (correct)

What is the function of the small orifices in the piston of the shimmy dampener?

To reduce the temperature of the hydraulic fluid
To decrease the resistance to shimmy
To increase the pressure of the hydraulic fluid
To force hydraulic fluid through the piston (correct)

What is the shimmy dampener piston shaft secured to?

<p>A stationary part (D)</p> Signup and view all the answers

What type of fluid is used in the shimmy dampener?

<p>Hydraulic fluid (D)</p> Signup and view all the answers

Study Notes

Nose Gear Shimmy Dampener

The shimmy dampener is designed to provide resistance to shimmy in the nose gear.
The dampener works by forcing hydraulic fluid through small orifices in a piston.
The dampener piston shaft is stationary, secured to a non-moving part.
The housing of the dampener is secured to the nose wheel steering collar, which moves when the nose wheel turns right or left.
The relative motion between the dampener shaft and housing helps to resist shimmy.

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Description

This quiz covers the function and components of a shimmy dampener in the nose gear of an aircraft, specifically how it resists shimmy by using hydraulic fluid and relative motion.