IMCS (Index Mast Check System)  
  Stiffness IMCS (465 cm) formula length*length*length/465*465*mid deflection
IMCS (460 cm) formula length*length*length/460*460*mid deflection
  Bend Curve Characteristics formula (top deflection*100/mid deflection)-(bottom deflection*100/mid deflection)
Categories                        -   6      Hard Top
                    7 -   9      Hard Top - Constant Curve
                          10 - 12     Constant Curve
                   13 - 15     Constant Curve - Flex Top
                   16 - 18     Flex Top
                   19 - 21     Flex Top - Super Flex Top
<< Back to measured masts                     22 -         Super Flex Top