1.p.m. Añs. Example 18.7. A loaded Porter governor has four links each 250 mm long, two revolving masses each of 3 kg and a central dead weight of mass 20 kg. All the links are attached to respective sleeves at radial distances of 40 mm from the axis of rotation. The masses revolve at a radius of 150 mm at minimum speed and at a radius of 200 mm at maximum speed. Determine the range of speed.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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We know that range of speed
= N,-N = 169- 164.8 = 4.2
Ans.
%3D
r.p.m.
Example 18.7. A loaded Porter governor has four links each 250 mm long, two revolving
masses each of 3 kg and a central dead weight of mass 20 kg. All the links are attached to respective
sleeves at radial distances of 40 mm from the axis of rotation. The masses revolve at a radius of 150
mm at minimum speed and at a radius of 200 mm at maximum speed. Determine the range of speed.
Solution
Transcribed Image Text:We know that range of speed = N,-N = 169- 164.8 = 4.2 Ans. %3D r.p.m. Example 18.7. A loaded Porter governor has four links each 250 mm long, two revolving masses each of 3 kg and a central dead weight of mass 20 kg. All the links are attached to respective sleeves at radial distances of 40 mm from the axis of rotation. The masses revolve at a radius of 150 mm at minimum speed and at a radius of 200 mm at maximum speed. Determine the range of speed. Solution
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