[SHIBUMI]

sorry wrong word........the shafts a club maker selects have a constant flex standard. And they picked those shafts to make the head perform as it was designed.

Originally Posted by BrianL99

Please stop confusing people. "Swingweight" is not a "weight", it is a "relative weight, based on a 14" fulcrum. A Swingweight can't be "the weight of a dime", again, because it is ONLY a relative weight. It's not a like a "Caret", which has an absolute weight.




Again, that is not correct. The only reasonably accepted way to subjectively measure shaft "stiffness" is with a CPM machine. Unfortunately, that only measures frequency at specific points, so it's not a fair characterization of the flex, along the length of the shaft.

Manufacturers are free to put a Flex Designation on their shafts, in any way they wish. They all measure flex differently and design individual shafts differently. Nary a single manufacture has a specific "butt (or tip) frequency" that causes them to designate a shaft as "stiff", "medium" or otherwise.

In other words, your statement that a Manufacturers flex standard is constant throughout their line, is incorrect.

Attached are the Specs for the Fujikura Ventus line of shafts (which I play). You'll notice that EVERY shaft model designated as "Regular Flex", has a different amount of measured flex.

Almost every golf club manufacturer, uses an "off the shelf" shaft, that their specific tests show, will appeal to the widest number of customers. It's a search for the lowest common denominator. There has never been a golf club sold in the universe, that a given player couldn't improve its performance, by installing an after-market shaft, matched to their swing characteristics. Unfortunately, the search for the optimal shaft is cost prohibited, given the minuscule return for most people.