[TruthInThoughtWordAndDeed]

Either a purely mechanical, balanced, spinning gyroscope mounted in a restraint free 3 axis gimbal on the surface of the earth exhibits “rigidity in space” or it does not.

YES or NO.

Which is it?

[Ol' Dan Tucker]

Either a purely mechanical, balanced, spinning gyroscope mounted in a restraint free 3 axis gimbal on the surface of the earth exhibits “rigidity in space” or it does not.

What is it you're trying to prove with this example?

Are you simply trying to get confirmation of how a gyro works, or is this part of a bigger argument?