The Directional Gyro

Question 1

A directional gyro axis is in what plane?

Answer 1

The horizontal plane

Question 2

Is the north/south headings pitch limited or east/west headings?

Answer 2

north/south headings

Question 3

Is the north/south headings roll limited or east/west headings?

Answer 3

east/west headings

Question 4

Amount of degrees a gyro can drift due to earth’s rotation per hour?

Answer 4

15 degrees

Question 5

How to remember transport wander?

Answer 5

East =

Never have dairy (Northern hemisphere = decrease)

West =

Never have incest ( Northern hemisphere = increase)

Question 6

The DGI is what type of gyro?

Answer 6

Tied Gyro

Question 7

The cardinal headings that are pitch limited?

Answer 7

North and South

Question 8

The cardinal headings that allow for complete freedom in roll?

Answer 8

North and South

Question 9

The cardinal headings that are roll limited?

Answer 9

East and West

Question 10

The cardinal headings that allow for complete freedom in pitch?

Answer 10

East and West

Question 11

If an aircraft flies from the equator to the pole, the aircraft’s horizontal axis is changed by?

Answer 11

90 degrees

Question 12

For the DI or DG to measure change of heading during a banked turn, the gyro must be maintained in:

Answer 12

The aircraft’s vertical and not the true vertical

Question 13

At any latitude, drift =

Answer 13

15 deg sin lat/hour

Question 14

The DGI has to be kept in the -

For a suction SGI and electrical DGI, this is achieved respectfully -

Answer 14

yawing plane of the aircraft

Jets and wedge plate for the suction model, and torque motor for the electrical model.