Phys. Rev. Lett. 63, 2701–2704 (1989)Anomalous weight reduction on a gyroscope’s right rotations around the vertical axis on the EarthReceived 9 August 1989; published in the issue dated 18 December 1989 Each weight change of three spinning mechanical gyroscopes whose rotor’s masses are 140, 175, and 176 g has been measured in inertial rotations without systematic errors. The experiments show that the weight changes on rotations around the vertical axis are completely asymmetrical: The right rotations (spin vector pointing downwards) cause weight decrease of the order of milligrams (weight), proportional to the frequency of rotations at 3 000–13 000 rpm. However, the left rotations do not cause any change in weight. © 1989 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.63.2701
DOI:
10.1103/PhysRevLett.63.2701
PACS:
04.80.+z
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