Reduced Gravity Devices Based on the YOYO Principle

Int. J. Microgravity Sci. Appl. 2007p312
Author
R. AKIBA, I. EGAMI, T. KOREKI, O. FUJITA and M. YAMASHITA
Organization
HASTIC, Hokkaido University,JAXA
Abstract
The reduced gravity devices were developed based on the yoyo principle. Their performance was examined, and found useful to conduct experiments for scientific and educational purposes. The operation of this yoyo device was improved by governor mechanism attached to the pulley. The governor optimized the profile of momentum of inertia of the pulley assembly. Another option tested was the double-capsule configuration, which enabled to generate microgravity in the inner test section.
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