Artificial Horizon

Question 1

The spin axis is ___ mounted so the instrument will suffer from ___

Answer 1

vertically topple

Question 2

The instrument assembly is inside of an outer gimbal, which is Earth ___, with _ degrees of freedom

Answer 2

Horizontal 2

Question 3

The instrument’s CG is ___ the suspension point

Answer 3

below

Question 4

In the suction driven version, ___ pendulous vanes cover holes through which air tries to pass, but is blocked by the vanes as long as the instrument is ___

Answer 4

four vertical

Question 5

When the instrument is not ___, the vanes (which are suspended from a pivot and kept vertical by gravity, open the hole by differing amounts to let more/less air through as required.

Answer 5

vertical

Question 6

The AH has a ___ erection speed, is ___ to operate and performs ___ in accelerated flight.

Answer 6

slow slow poorly

Question 7

An electrical AH is ___ responsive

Answer 7

more

Question 8

The standby artificial horizon must have its own ___ ___ ___ ___

Answer 8

power supply and gyro