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 26 April 2024 12:59

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Question
Asked by: PARTH SHAH
Subject: automobiles.
Question: Why Gyroscope is not used in two-wheelers?
Date: 17 November 2009
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Answers (Ordered by Date)
Answer: Chris - 01/12/2009 00:20:22
 Ever heard of the Segway? It does use gyros for stabilization. Former U.S. president Bush famously wiped out on one because he didn't turn on the gyros. Also, bicycles/motorcycles are inherent gyroscopes. The forward momentum of the bicycles cross-producted with the angular momentum of the spinning tires (mass*velocity of tire) creates an upward force that stabilizes the bicycle/motorcycle.

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Answer: Fuller - 01/12/2009 00:26:56
 Actually it's the radial vector from the center of the tire in cross product with the angular momentum (mass * velocity) which results in angular momentum directed axially to the tires (i.e. horizontally/perpendicular to bicycle) which stabilizes the bicycle. The momentum must be overcome by leaning or slowing to move the angular momentum vector off from horizontal. That is why a gyro is not required on a bicycle, it's built in!

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