Find the free length of the spring

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Reference no: EM131037995

Message : The spring controlled governor of the Hartung type, the length of the horizontal and vertical arms of the bell crank levers are 100 mm and 80 mm respectively.

The fulcrum of the bell crank lever is at a distance of 120 mm from the axis of the governor. The each revolving mass is 9 kg. The stiffness of the spring is 125 kN/m.

If the length of each spring is 120 mm when the radius of the spring is 70 mm and the equilibrium speed is 360 r.p.m, find the free length of the spring. If the radius of the rotation increases to 120 mm, what will be the corresponding percentage increase in speed?

Reference no: EM131037995

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