Types of Flexible drives, Types of Belt, Types of belt drives with different arrangements, selection of belt drive, Velocity ratio of open belt drive and compound belt drive, effect of thickness of belt on velocity ratio, Tension Ratio of Flat belt and V belt, Centrifugal tension on belt, effect of centrifugal tension on maximum power transmission, effect of slip of belt on velocity ratio, initial tension on belt and its effect on power transmission, creep of belt and its effect on Velocity ratio