HANDBOOK OF MECHANICAL DESIGN 



ARC LENGTH VERSUS CENTRAL ANGLE 

 (Angle of Bend, Length, and Radius) 



Draw a straight hne through the two known points. The answer will be found 

 at the intersection of this line with the third scale. 



Example: For a 6-in. radius and 45-deg. bend, length of arc is 4.7 in. 



