Heading Indicator Flashcards
1
Q
This works similarly to the artificial horizon, except the spin axis is aircraft ___ in the ___ plane
A
horizontal, yawing
2
Q
The spin axis is ___ to the surface of the Earth; it can only turn in the ___ plane and will only be affected by ___
A
parallel, horizontal, drift
3
Q
It has _ degrees of freedom
A
2
4
Q
To help with re-erection after toppling, the gyro is spun with air jets from ___ sources.
A
twin
5
Q
When the gyro does not lie in the yawing plane, one jet will be pushing the gyro around, but the other will strike the rim and cause a precession force at the ___
A
top
6
Q
Inaccuracies can occur whenever the inner and outer gimbals are not ___ to each other
A
perpendicular
