Flight Controls Flashcards

1
Q

In a direct cable control system what is the relationship between airspeed and force on the steering column?

A

The higher the airspeed the greater the force on the steering column

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2
Q

What is critical in a Direct Cable Control System?

A

Tension of the high strength steel cables

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3
Q

How does an aerodynamically controlled control system work?

A

Using control wheels in the flight deck to move tabs and in turn the control surface

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4
Q

In a Hydraulic assisted control system where would you find a hydraulic actuator?

A

In parallel with the mechanical operation of the controls

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5
Q

What is follow up control used for in a Hydraulic Power Operated Control System?

A

It is used to close the control valve of a servo control unit which has reached its desired position.

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6
Q

Explain redundancy in a flight control system?

A

When one flight control is provided with 2 or 3 actuators performing the same movement but fed from independent hydraulic systems.

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7
Q

What are the advantages of a fly by wire system?

A

it will prevent unsafe maneuvers and easier to fly for the pilot

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8
Q

What is used to provide the pilot with artificial feel?

A

Either a Spring feel unit or in some cases with elevators and rudders it can be a hydraulic feel unit.

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9
Q

How is position indicating performed on an aircraft?

A

Either mechanically by steel cables or electrically using a position pickup unit

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10
Q

What are flight spoiler broken down into?

A

Roll Spoilers and Speed Brakes

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11
Q

What is the function of Roll Spoilers?

A

They assist in lateral control by increasing drag on the down going wing

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12
Q

What is the function of Speed Brakes?

A

Speed brakes a symmetrically extended to a maximum position of around 35 degrees

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13
Q

How do ground spoilers work?

A

They are automatically armed and will fully extend (all spoilers) when the signals from different systems determine that the aircraft is landing.

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