The purpose of the mechanical gyroscope project is to provide a method to directly demonstrate the rotation of the earth on its axis. So far there have been no reliable tests which prove this. Foucault pendulums have been shown to be inconsistent and only produce the expected precession when adjusted to precess in the direction and rate as predicted by the theory.

If the earth is a sphere then a gyro which has no mechanical precession when placed at the axis of rotation (north pole) would appear to rotate around its Z axis (yaw) at 15° per hour. On a rotating ball earth a gyro placed on the equator would not be turning in the yaw or Z axis but it would be changing on the Y axis as the hours went by.

So if a gyro was to detect a Z axis rotation due to earth physically spinning then unless it was at the North Pole the gyro must also show a Y axis rotation and the two rotations must add up to 15°. Even if the gyro rotated the maximum 15° per hour rotation is so slow that other factors such as friction or vibration caused precession or even electromagnetic field influences must be ruled out. This why the gyro must be proved to have either no precession or at least a predictable precession before it can be said to be demonstrating the rotation of the earth. It must be sufficiently stable and rigid in space so the extremely slow movement of 15° per hour can be detected.

In the last update it was mentioned that there was a vibration at high RPM on the mechanical gyroscope. Early testing of the gyro had very good results and not much vibration. But as testing continued the vibration grew worse.

Stefan redesigned the battery pack hoping to balance it more exactly to the motor but this did not help. The image below shows the red thumb wheel that can adjust the location of the battery pack for perfect balancing.

Then Stefan thought it might help to isolate the motor vibrations from the frame. In the image below the yellow spacers are made of polymer which can absorb some of the motor vibrations. This did not solve the problem.

Stefan disassembled the entire gyro and found that the shaft had been damaged at the location of the bearings.

The speculation is that this was caused by thermal expansion. The brass shaft has been replaced by a stainless steel shaft which is also case hardened.

Now the flywheel must be dynamically balanced once again. This is the third time and it can only be accomplished by a company with the right tools and expertise. The steps now are make the new shaft, balance the flywheel and begin testing again.

One problem with making the gyro as precise as possible is the more stable a gyro is the more friction it creates which in turn leads to loss of accuracy.

FECORE is founded on the selfless work of donated time and resources. Words alone can’t do justice to Stefan’s work and the work of others not yet published but thank you is all we can give in this article.

The quest goes on. Stay tuned.