The Vaccuum System

Question 1

What are the vacuum powered instruments of the airplane

Answer 1

Attitude indicator

Heading indicator

Engine driven vacuum pump , starts to work when we power the engine , look at suction gauge .

Question 2

What is rigidity in space ( one of the gyroscopic instruments principles)

Answer 2

“YRegidity in space refers to the principle that a gyroscope remains in a fixed position in the plane in which it’s spinning “

The gyro in the attitude or heading when spooled up. - if pushed one way it wants to remain upright.

Question 3

Precession

Answer 3

Precession is the tilting or turning of a gyro in response to a deflective force.

The reaction of this force does not occur at the point at which it was applied , rather , it occurs at a point that is 90 * degrees later in the direction of rotation.

The tendency to wonder , seen most in heading indicator ,