This Thing Called 'Swingweight'
Thanks for all the feedback last week. Since the topic of swingweight came up repeatedly, I thought I would respond to the requests for me to dive deeper into that. And from my experience, it's one of the most misunderstood elements of golf club measuring.
The concept was developed back in the 1950s by pioneer custom clubmaker Kenneth Smith. He devised the principle of the modern swingweight scale using letter and numbers to measure the relative balance point of a golf club. At the time, the most popular clubs he measured came in at this completely arbitrary level of "D2". Understand that a point of swingweight is not a finite measurement like a gram or an ounce. Since swingweight refers to the relative balance point of a golf club, a 45" driver with a 200-gram head can "weigh" the same as a 35" lob wedge with a 310 gram head.
It takes more actual weight to move a wedge from D2 to D5 for example, than it does to move a driver an equal step. Swingweight. If you make a club longer, the swingweight goes up, even though the overall weight of the club didn't change by much at all. Likewise, if you cut one inch off the club, the swingweight will reduce by several points, even though that one inch of shaft weighs only a couple of grams.
What swingweight is supposed to measure is the relative "feel" of the golf club. The higher the swingweight, the more head feel you get back to your hands ... given the same shaft. This is where it gets really dicey. A soft graphite shaft will make the same swingweight feel heavier than if that club had a stiffer steel shaft. That's a function of both the flexing of the shaft, which produces what we call "motion feedback" -- the sensation in the hands of the motion happening out at the clubhead. Likewise, carbon fibers are more sensitive than tubular steel, so that has an impact as well.
So, if you cut a couple of inches off a driver, and the swingweight goes from D2 to C6 or something, what you have is very little change in the overall mass of the golf club, but a change in the balance point. If you want more head feel, it certainly doesn't hurt to add a little lead tape, and you can even tweak the performance a bit by whether you put that tape on the heel or toe areas.
But before you do any of that, just hit the dang thing and see how you like it. It might take a little adjusting, but you might just find you like it better.
Swingweight. Kind of like bounce ... very few really understand it, but it affects us all.
The Wedge Guy is sponsored by SCOR Golf, where Terry Koehler is President/CEO. He encourages you to submit your questions or topics to be considered for his columns on Tuesdays and Fridays. Each submission automatically enters you to win a SCOR4161 wedge to be given away monthly. Click the button below to submit your question or topic today.
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I like the comment "just hit the dang thing".
Is that why i hit my £60 3 wood further than my playing partners fitted £289 driver mines balanced and his isn't
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