Question: The figure shows an internal rim-type brake having an inside rim diameter of 300 mm and a dimension R = 125 mm. The shoes have

The figure shows an internal rim-type brake having an inside rim diameter of 300 mm and a dimension R = 125 mm. The shoes have a face width of 40 mm and are both actuated by a force of 2.2 kN. The mean coefficient of friction is 0.28.
(a) Find the maximum pressure and indicate the shoe on which it occurs.
(b) Estimate the braking torque effected by each shoe, and find the total braking torque.
(c) Estimate the resulting hinge-pinreactions.

30 00-30 120 120 Pin Pin 30 30

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