In a Hartnell governor, the lengths of the ball and the sleeve arms are equal. The extreme radil of rotation of the balls are 60 mm and 80 mm and the corresponding speeds are 160 r.p.m and 175 r.p.m. Each ball has a mass of 2 kg. Find the spring stiffness and the initial compression of the central spring.

In a Hartnell governor, the lengths of the ball and the sleeve arms are equal. The extreme radil of rotation of the balls are 60 mm and 80 mm and the corresponding speeds are 160 r.p.m and 175 r.p.m. Each ball has a mass of 2 kg. Find the spring stiffness and the initial compression of the central spring.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.48P: Find the smallest distance d for which the hook will remain at rest when acted on by the force P....

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