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Basic gyroscope question about replacing the flywheel with balanced masses

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mesa
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Dec20-12, 11:37 PM
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Would a pair of balanced weights connected rigidly about the spin axis operate in the same manner as a standard gyroscope with a flywheel?
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berkeman
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Dec21-12, 12:10 PM
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Quote Quote by mesa View Post
Would a pair of balanced weights connected rigidly about the spin axis operate in the same manner as a standard gyroscope with a flywheel?
What are your thougts on this?
rcgldr
#3
Dec21-12, 12:35 PM
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You could consider a helicopter with a 2 bladed rotor to be similar to your balanced weight example, and you could do a web search for helicopter and gyroscopic effects on the rotor.

AlephZero
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Dec21-12, 03:06 PM
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Basic gyroscope question about replacing the flywheel with balanced masses

A solid disk, or a set of 3 or more weights/blades/whatever, has the same moment of inertia about every axis through the center of the disk. A pair weights has a large moment of inertia about one axis, and a small one about the perpendicular axis.

That difference may or may not be important, depending on the dynamics of the complete rotating system and its rotation speed.


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