9. A Proell governor has three fly balls, each of mass 4 kg. The lengths of all the arms are mm and distance of each pivot of arm from the axis of rotation is 35 mm. The length extension of lower arms on which each fly ball is attached is 70 mm, and inclined at 25° to lower arm. The mass of the sleeve is 50 kg. Knowing that the arms are inclined at 50° to axis of rotation and frictional force between spindle and sleeve is 45 N, determine maximum and minimum equilibrium speeds of the governor.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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9.
A Proell governor has three fly balls, each of mass 4 kg. The lengths of all the arms are 280
mm and distance of each pivot of arm from the axis of rotation is 35 mm. The length of
extension of lower arms on which each fly ball is attached is 70 mm, and inclined at 25° to the
lower arm. The mass of the sleeve is 50 kg. Knowing that the arms are inclined at 50° to the
axis of rotation and frictional force between spindle and sleeve is 45 N, determine the
maximum and minimum equilibrium speeds of the governor.
Transcribed Image Text:9. A Proell governor has three fly balls, each of mass 4 kg. The lengths of all the arms are 280 mm and distance of each pivot of arm from the axis of rotation is 35 mm. The length of extension of lower arms on which each fly ball is attached is 70 mm, and inclined at 25° to the lower arm. The mass of the sleeve is 50 kg. Knowing that the arms are inclined at 50° to the axis of rotation and frictional force between spindle and sleeve is 45 N, determine the maximum and minimum equilibrium speeds of the governor.
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