The speed of the engine mechanism shown in Figure 1 is controlled by the Porter governor. All arms of the governor are 20 mm and are hinged at a distance of 4 mm from the axis of rotation. The mass of each ball is 100 g and the mass of the sleeve is 500 g. The governor sleeve begins to rise at 40 rad/s. when the links are at an angle of 5° to the vertical. Assuming the friction force to be constant: 3.1. Draw the port governor mechanism and clearly lable it. (06) 3.2. Calculate the minimum speed of rotation (in rad/s) when the inclination of the arms to the vertical is 10°.

The speed of the engine mechanism shown in Figure 1 is controlled by the Porter governor. All arms of the governor are 20 mm and are hinged at a distance of 4 mm from the axis of rotation. The mass of each ball is 100 g and the mass of the sleeve is 500 g. The governor sleeve begins to rise at 40 rad/s. when the links are at an angle of 5° to the vertical. Assuming the friction force to be constant: 3.1. Draw the port governor mechanism and clearly lable it. (06) 3.2. Calculate the minimum speed of rotation (in rad/s) when the inclination of the arms to the vertical is 10°.

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 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

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