![]() ![]() This gets into a discussion of the D-Plane which I will leave for another article. A simple thing as a change in the angle of attack can impact dynamics for better or for worse. The angle of approach can dramatically affect the club path and club face position. The last two human performance factors at impact are angle of approach (or attack) and club head speed. The gear effect is more pronounced on these types of clubs. This becomes more influential with clubs like the driver and fairway woods because the center of gravity is further back. For a right handed golfer, a heal strike has more right biased spin axis and a toe strike has more left biased spin axis. A ball struck towards the heal of the club or the toe of the club imparts more influence on the spin axis. The combination of the face and path at impact determine the ball flight however, when the ball is struck off center, the gear effect also becomes a factor. ![]() Therefore, a golf shot stuck on the sweet spot is influenced by the face and path at impact.Ī simple phrase I use: club face sends it swing path bends it. The ball flight curvature is just a tilted axis. Again remember, golf shots have backspin rotating on a center axis. If the “wings” tilt down right, the ball flight will curve right. ![]() If the “wings” tilt down left, the ball flight will curve left. When the “wings” are horizontal, the ball flight will not curve. To be simple, imagine a golf ball in the air with wings on each side. To understand this, you must understand some basic principles. The gear effect has influence on the spin axis. One such factor that can influence the ball flight is the gear effect. If one does not strike the ball with the center of gravity or sweet spot of the golf club, there can be other influences on the ball flight. However, two really stand out, club face position and centeredness of contact. All great ball strikers achieve a high level of each of these components. The five human performance factors at impact are: 1) club face position to the ITL, 2) club path to the ITL, 3) centeredness of contact, 4) angle of approach, and 5) club head speed. The ITL is the benchmark target the golfer is trying reach starting at impact. I abbreviate “intended target line” as ITL. Great ball strikers all have something in common: they consistently achieve five factors at impact in relation to the intended target line. This is assuming that the shot was hit on (or very near) the sweat spot. The differential between the face and path determines the amount of curvature (spin axis) on the ball flight. The clubface position at impact is open to the path of the club at impact. Wartelle, PGA & WGTF Professionalįacebook Instagram : short answer: There is only one cause of a slice. ![]()
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