Gyroscopes
 

Hello,
My question is about gyroscope ! i can't understand how it works and no one can answer me about this question so maybe one of you can :

Gyroscope horizontal flyer is align with :

- horizontal axis
-lateral axis
- longitudinal axis

and why ?
thank you in advance :)

Depends upon what you are using the gyro to measure. For an attitude indicator the spin axis is vertical. For a turn indicator the spin axis is usually horizontal, ie across the aircraft.

Nice diagrams here:

Gyroscopic Instruments - Flight Instructor Wiki

It shows turn coordinator gyro is canted diagonally, so it can respond to both roll and yaw.

ok great guys, i think you've answered my question very well ! :D
tanks and it was lvertical axis not horizontal, in the 3 propositions
thnnks a lot:ok:

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