![]() ![]() I reached out to Aerotech Golf for more information on the shafts and they agreed to send me a set of the very same constant weight, taper tip Steelfiber i95 shafts played by the PGA Tour pros. ![]() They appeared to be composite shafts, but after some research I found out they were Aerotech Steelfiber shafts. Until now.Įarlier this year while watching coverage of the PGA Tour on television, I noticed tour players Matt Kuchar and Brandt Snedeker playing iron shafts that weren’t like the rest. Graphite shafts are getting longer, lighter and more stable, but there hasn’t been a significant advancement in steel shaft design in a long time. There are several great steel shafts available for irons, like the new KBS C-taper shaft and the venerable Dynamic Gold shaft that has been around for what seems like forever. There have also been many advancements in composite shaft technology in the last decade. On professional golf tours around the world, steel shafts have been the overwhelming shaft of choice for irons for many years. Compared to the hickory shafts of yesteryear and composite shafts of the present, steel shafts proved to be more consistent and stable. However, for sure, many of the top clubmakers, many shaft experts, and many really excellent golfers are convinced that the location of the shaft’s spine in the golf club will have an affect on the overall performance of the club including having an affect on shot dispersion and accuracy having an affect on results from mishits and most definitely will affect the feel of the club.Īnd last but not least, if your entire set is spine aligned, then your clubs should play more consistently club to club.For decades, the material of choice for iron shafts has been steel. We’re not aware of any hard data that proves the validity or significance of spine aligned clubs. The shafted club with the properly aligned spine position moves in a much straighter path. the shaft/clubhead bounces all over the place, in about 50 different directions. Then try it with a club that is NOT properly spine aligned. The clubhead moves rapidly back and forth in a reasonably straight path. It is interesting to clamp down a properly spine aligned club into a club vice, and pull down hard on the head, and release it. ![]() Indeed it does seem to make sense that if the stiffer spine is in the 1 o’clock position within the shaft (or 2 o’clock, or 5 o’clock, or 7 o’clock, or 11 o’clock, etc.), then it is highly likely the shaft won’t perform as well as if the spine is in that downline 3 o’clock or 9 o’clock neutral position. The theory of spine aligning is that the golf shaft will perform better if the shaft is aligned in the clubhead so that the spine is “downline” with the direction of the golf shaft (so the spine would be in the 3 o’clock or 9 o’clock position – also called the neutral position.) ![]() You get a stiffer reading when the spine is oriented the direction the shaft is deflected.) (Nobody should argue that the spine is not the stiffest part of the shaft, but proof can be seen when rotating a shaft on a frequency machine. First, every golf shaft has a “spine”, and that spine is stiffer than the rest of the circumference of the shaft. ![]()
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