gyrostat

In the theoretical discussion of the general motion General motion of a gyrostat rolling on a plane.

What's the matter with my home-made gyrostat and anemometer?

But now remove the gyrostat from the frame, and set the wheel in rotation.

There is, however, a great difference between the earth and the gyrostat.

Look, for example, at this well-balanced gyrostat (Fig. 17).