•Frequency is the best measure of flex.
•Deflection method is a measure of a shaft’s beam strength.
•Rigid objects have a natural frequency.
•Rate of frequency is not dependent on the amount of force required to create
oscillation.
•Frequency is the number of times a shaft oscillates in a unit of time.
•CPM (cycles per minute) is the measurement of the number of times a shaft
oscillates in one minute.
•Frequency Gradient/Slope is the progression of cycles per minute between
each club in a set.
•Flat Line/Single Frequency is the same cycles per minute for each club in a set.
•Flex is the designation of a shaft’s resistance to bending.
•Shaft Beam Length is the distance from the edge of the clamp to the center of
mass of the club head or shaft weight.
•Face Plane Oscillation is measuring cycles per minute of a shaft in the same
plane that the clubs face is aimed.
•Dampening is the effect on CPM readings caused by grips or a variation in
clamping pressure.
•Oval Oscillation is when the shaft oscillates in a pattern that is not straight.
•When comparing shafts of equal length, the higher the CPM reading, the stiffer
the flex.
•Each swing weight increase in a club will equal one (1) CPM decrease in
frequency.
•Each swing weight decrease in a club will equal one (1) CPM increase in
frequency.
•Each 2 gram club head weight change is equal to one (1) CPM change in
frequency.
