Though the sandokan could not explain to me in simple words how the gyrocompass works on flat land. Now I wave him a hoof. I here completely agree with him, since it is all his materials that show how this can work. Gyrocompass rotates the ethereal wind rushing above the stationary ground. If the ethereal wind goes above ground in the form of a dome, this fully explains the behavior of the gyrocompass. And let me try to refute the earth ball ...