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-->//(Brakes) Example 12.6
-->//Limit of the product pv
-->pv = 2
pv =
2.
-->//Coefficient of friction between the drum and the friction lining mu
-->mu = 0.2
mu =
0.2
-->//Gear ratio between the brake and cable drum g
-->g = 4
g =
4.
-->//Permissible intensity of pressure on friction lining pmax (N/mm2)
-->pmax = 1
pmax =
1.
-->//Radius of the brake drum Rb (mm)
-->Rb = 200
Rb =
200.
-->//Radius of the cable drum Rc (mm)
-->Rc = 150
Rc =
150.
-->//Mass attached to the cable drum m (kg)
-->m = 500
m =
500.
Brake shoe force(P) = 4598.437500 N
Area of friction lining(A) = 4598.437500 mm2
Uniform velocity at which the mass can be lowered(v1) = 0.375000 m/s or 22.500000 m/min
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