11/21/2023 0 Comments Club head speed readerTip flex has a similar effect on performance as static flex, in that the softer the tip the greater the launch angle and spin rate. The more a shaft bends in this configuration, the softer the tip. The difference being that the tip end is clamped and the load is applied to the butt end of the shaft. Sometimes this is measured in a very similar fashion as the static-flex measurement. Tip Flex: Tip Flex, or Retro Flex, represents the average stiffness toward the head side of the shaft. Changes in frequency have a similar effect as static flex on performance. If two shafts have the same static flex, but one is significantly heavier, the heavier shaft will have a slightly lower frequency measurement than the lighter one. Shaft mass can also slightly affect this measurement. Generally, the faster it oscillates, the stiffer the shaft. This causes the shaft to oscillate back and forth. This will be expanded upon in one of the following sections.įrequency: The second method is more of a dynamic measurement, where the shaft is clamped at the butt end, and the shaft is pulled and released with a weight on the tip end. This is not always the case, as players can respond differently to variations in stiffness. In many cases the softer the overall stiffness, the greater the launch angle and spin rate. In general, a Ladies flex will bend much more than an X-flex using this method. The amount the shaft bends corresponds to its stiffness. This is basically a cantilever loading where the shaft is clamped at the butt end and a load is applied to the tip. The first is what I would call a static-flex measurement. Static Flex: There are two methods that are typically used to characterize the overall stiffness of a shaft. The following measurements are some of the most common. These values represent an average stiffness of different regions of a shaft, or an overall average stiffness. In most environments, more general terms are typically used such as stiffness, butt stiffness, and tip stiffness. An EI profile presents the local stiffness of a shaft, from one end to another. The holistic characterization of the flex of a shaft is something called an EI profile. The flex of a shaft can be a fairly complex characteristic. Below is a list of some of the most common parameters that are used to characterize a shaft, along with a brief description of what they are and how they may influence performance. Shaft ElementsĪlthough shafts are typically categorized by an overall flex, there are many shaft parameters that influence the way a shaft feels and performs. This article aims to educate the reader about some of the different elements that characterize driver and iron shafts and present insights into why shaft fitting is important. For irons and drivers, the shaft type and its characteristics can have a significant effect on the sensation a player experiences during the swing and impact, while also influencing the launch and spin characteristics that can be achieved. Characteristics like weight, flex, and torque can affect how a shaft feels and how it performs. When it comes to shaft fitting, players have a variety of options.
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