Question 2 A Porter governor has a minimum speed of 134 rpm and a range of speed of 21 rpm. All four arms of the governor are equal in length, and each is equal to 250 m. The ball mass and the central mass loaded on the sleeve are 5 kg and 15 kg, respectively. Calculate the angle between the two upper arms of the governor when the governor starts to lift and when the governor is at maximum.

Question 2 A Porter governor has a minimum speed of 134 rpm and a range of speed of 21 rpm. All four arms of the governor are equal in length, and each is equal to 250 m. The ball mass and the central mass loaded on the sleeve are 5 kg and 15 kg, respectively. Calculate the angle between the two upper arms of the governor when the governor starts to lift and when the governor is at maximum.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The working fluid of the small engine vehicle uses a Porter governor of equalarms of 150 mm long to control its speed. The arms are pivoted on the axis ofrotation. The mass of each ball is 4 kg and the mass on the sleeve is 20 kg.5.1.The ball path is 100 mm when the governor begins to lift and 120 mm at themaximum speed. Calculate:Minimum speed of the governor.5.2.Maximum speed of the governor.5.3.Range of the speed.
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The figure shows a schematic of a simple Watt governor mechanism with the spindle 0102 rotating at an angular velocity w about a vertical axis. The balls at P and S have equal mass. Assume that there is no friction anywhere and all other components are massless and rigid. The vertical distance between the horizontal plane of rotation of the balls and the pivot O₁ is denoted by h. The value of h = 400 mm at a certain w. If w is doubled, the value of h will be mm. (0) g = 9.8 m/s₂ h Spindle O Q Sleeve (QR) Cylindrical Joint R S
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The working fluid of the small engine vehicle uses a Porter governor of equal arms of 150 mm long to control it's speed. The arms are pivoted on the axis of rotation. The mass of each ball is 4 kg and the mass on the sleeve is 20 kg. The ball path is 100 mm when the governor begins to lift and 120 mm at the maximum speed. Calculate 5.1) Minimum speed of the governor 5.2)Maximum speed of the governor 5.3)Range of the speed
A ball governor of the vertical compression spring type runs at a mean speed of N = 189.228 rev/min. The bell crank lever arms are a = 0.158 m and b = 0.063 m and the rotating balls have a mass of m = 2.793 kg each, and the ball radius is r = 0.114 m at the mean speed. Part A: If the speed range of the governor at the mean speed is A = 1.287 rev/min, determine the friction force Fu at the sleeve (neglect the effect of gravity on the balls). Part B: Determine the spring stiffness S that would be required to make the governor isochronous if the sleeve lift is y = 0.013 m from the mean position (assume the ball arm is vertical at the mean position).