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Re: Shafts: One shafts' 'stiffness' the same as another manufact?
Most if not all of those numbers in the 90 - 125 range are recommended swing speed for a driver. What the industry needs is a machine that measures the stiffness of the entire shaft at one time. Not just the butt stiffness, which is what you get with a frequency meter clamped on the butt end of a shaft. I did see some plans for such a machine, and if I get a chance I'm going to build one with a few improvements I've come up with. Should allow me to test any shaft and get a reading that could be compared to any other shaft of the same type. By that I mean driver shafts vs driver shafts. Iron shaft to iron shafts.
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