A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Gyro sextant
From: Brad Morris
Date: 2019 Jan 27, 11:23 -0500
Stiction is the breakaway friction from dead stop. The force that resists an object from starting in motion, typically higher than the sliding friction force once an object is in motion.
Stiction, therefore, is inapplicable twhen describing the vertical righting motion of a spinning gyro.
One for the structural engineers. Re my last, if there is no actual skidding in the cup by the gyro pivot, should I be talking about ‘friction’, or should I be simply saying the reaction is no longer vertical, or worse still call the sideways component ‘stiction’. DaveP
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