A leather belt, 125 mm wide and 6 mm thick, transmits power from a pulley 750 mm diameter which runs at 500 r.p.m. The angle of lap is 150° and = 0.3. If the mass of 1 m3 of leather is 1 Mg and the stress in the belt is not to exceed 2.75 MN/m2, find the maximum power that can be transmitted.
