Sometimes is useful to calculate the length of a conveyer rubber belt wound on a roll. It is often an old tire unmonted from and wound from belt conveyor.
Example: All parameters should be considered for further calculations On this picture above, we have coiled conveyer rubber belt on wooden drum (d). Pay attention the order of measurement operations
Warning Final coil is not calculated in number of coils, except if it is mathcing with at end of first coli In that case Final colil angle is 0