Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / 2m)
√(Pmax / m)
√(3m /Pmax)
√(Pmax / 3m)

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Machine Design
For unequal width of butt straps, the thicknesses of butt straps are

0.75 t for both the straps on the inside and outside
0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside
0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside
0.625 t for both the straps on the inside and outside

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