Expected COR, drivers A-D, weight functions 1-2. 

Expected COR, drivers A-D, weight functions 1-2. 

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Golf clubs are often evaluated by many methods to determine their performance. For drivers in particular, the primary performance indicator is ball speed, which is directly related to distance. Golf club manufacturers make many claims about how extra ball speed is achieved. For example, these may include: design features, face thickness, materials,...

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Context 1
... the method outlined previously, the Expected COR was determined for each driver and weight function (player group). This is shown in Figure 3. Driver A had the highest Expected COR for low handicap players, while Driver D had the highest Expected COR for high handicap players. ...