Aircraft General Knowledge - Gyros
 

I've been using the Aviation Theory Centre Manual to prep for the CASA AGK CPL exam and wondering if the manual, or its review answers, is in error.

On page 147 it states that the HI and AI rely on the property of rigidity to provide readings. Which makes sense.

But its answers to review questions on page 156 are at odds with this:

Q 24. The turn indicator uses the gyroscopic property of ... for its function. (the book answer is given as Rigidity)

Q25. The turn AI and HI use the gyroscopic property of ... for its function (the book answer is given as Precession)

Can I just take it that the book answers are incorrect? :confused:

Cheers & thanks!

for your first question the answer is right.
the gyro stays stable during turn while the casing turns together with the ac.
So basically the gyro resists(rigidity) the turning of the aircraft while the casing turns around it indicating you the bank angle .
Sorry but have to go but surely some other member will explain the second also