![]() Obviously that is not the case, but the fact is the swing weight is high and there's a light shaft fitted. I immediately thought, before reading this article, that fitting a head with a lighter shaft would increase the swing weight. I was allowed to take the trial club home which gave me the opportunity of measuring it with my rudimentary Golfsmith equipment.īesides inevitable differences in lie and loft, I noticed that the trial club was coming in with a swing weight of D5, (3 heavier than standard). I was being measured using a launch monitor. The trial iron was a interchangeable cart club fitted with a 105g steel shaft. I was comparing my 7 iron to a trial 7 iron. I just want to re-shaft if at all possible. I don't want to change my irons as they are in mint condition. I was trialling a lighter shaft option on Friday. Add a different weight screw or weight to the head if one is available.Add tip weights prior to installing the shaft.Increase the club length (each 1/6" = 1 swingweight).To re-balance the club after re-shafting to maintain the original swingweight, there are several things that you can do. On a driver, a 7-gram reduction in weight will be 1 swingweight point, but on a sand wedge it might require a 15-gram drop in weight to reduce by the same 1 swingweight point. How much? It will vary depending how much lighter the shaft is and the length of the shaft. ![]() ![]() Even on a 35.5" wedge, the balance point of the shaft will remain on the head side of the fulcrum.Īs we reduce the shaft weight (and the shaft length and balance point are the same), then the swingweight will lower. This makes complete sense because most of the shaft resides on that side. We have denoted this with the red dot on the shaft and it is located on the head side of the fulcrum point. When we look at the shaft as one of the components, when need to know where the balance point of the shaft is. We know that any weight added to the head size of the fulcrum point increases the swingweight and any weight added to the grip side decreases the swingweight. Conversely, if the head or grip were lighter, the opposite scenarios would occur. If the grip weighed more, then the arm of the scale would rotate clockwise and require the slighting weight to be shifted to the left decreasing the swingweight. If we look at the diagram above of the scale, it is easy to understand that if the head weighed more, then the the arm of the scale would rotate counterclockwise and require the sliding weight to be shifted to the right increasing the swingweight. Then the swingweight is read from the sliding scale (for example C9, D2, D5, etc.) We remember as a kid playing on a teeter totter the principles of equilibrium where two kids of different mass can balance the teeter tooter depending on how far they are apart from the fulcrum point. To obtain a swingweight reading, the club is placed onto the scale and a sliding weight is moved back and forth until the club balances about the pivot point. If you look carefully at a swingweight scale, there is a fulcrum point or position that club pivots around located 14" from the end of the grip. However, that is not the case and let us show you why. Some golfers assume if the shaft is lighter, a higher percentage of the weight is concentrated near the head resulting into an increase in swingweight. But re-shafting to a lighter weight shaft does have some consequences. One way is reducing the overall weight of the club so it can be swung faster and that is mainly a function of the shaft weight. Golfers are constantly looking to increase the distance they hit the ball.
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