PH Spin Balls

Ball Roll is a crucial part of putting, the impact of the putter when it makes contact with the ball occurs with less than a millisecond… In order for the ball to stay on its intended line, it is important to strike the putt with a square face to target line and in the centre of gravity of the putter! The PH Spin Balls are a very simple, yet effective way to analyse your impact characteristics. The aim is simple, roll the ball with a perfect over spin motion, there should be no wobble on the rotation of the half black and half white ball. Align the line to your target, make your putt, what is happening to the line, cut spin, hook spin or have you pure overspin? Can you perfect your roll and spin! Using these balls on the practice green (even during practice rounds) gives you a fantastic visual about ultimately what matters most with your putting, the roll of your golf ball. Enjoy the spin challenge… The PH Spin Balls come in a pack of 3. The feel from the putter face is comparable to a ProV1 or similar premium golf ball. Causes of Inconsistent ‘SPIN & ROLL’ • What is the relationship of the players putter face and path? Are they working together… • Inconsistent club face rotation or excessive club head twist ? Are you hitting the ball out of the same spot (Heel / Toe / High / Low) • Inconsistent Ball Position – eyes often too far inside the line / or ball forward or back in stance? • Excessive body movement with hands flipping at impact creates backspin and inconsistent forward / backwards rotation

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Common causes of too much hook spin

• Inside to outside putting stroke
• Putter face closed at impact
• Striking the putt out of the ‘toe’ – putter twists open, creating ‘gear effect’ as a result the ball has hook spin.
• Putter with lie angle too high (toe high)

 
Common causes of too much cut spin

• An outside to inside putting stroke
• An open putter face at impact
• Striking the putt out of the ‘heel’ – putter twists closed, creating ‘gear effect’ as a result the ball has cut hook spin.
• Putter with lie angle too low (heel high)

 
Science behind the PH Spin balls…
There are only three conditions that can occur at impact with the putter and ball. The face of the putter is either open, square or closed to the putter’s path. The number of face angles and paths to make up these three conditions are however, infinite. However, remember that the putter face accounts for up to 92-95% of the starting point for a putter.
 
What happens when there is a miss-match with face and path with the putter?
Using Quintic Ball Roll, a software program that utilizes a high-speed camera tracking the golf ball for the first 16 inches after impact.  A Quintic research study randomized the putter path by varying degrees, for example, ‘in to square to in’, ‘out to in’, ‘out to square to out’…. along with random face angles at impact. One hundred different face angles and path combinations were used for the study, ten putts were taken with each specific face angle. The average of each set of ten is displayed below in the graph. The putter was released at the same location each time, with an overhead camera used to calculate the horizontal launch angle of each putt, putter path and face angle at impact. Quintic Ball Roll was also used to calculate the launch characteristics of each putt, in particular the hook or cut spin calculations. The putting robot was set to create a 1 degree rise angle during impact, with 2 degree of dynamic loft at the point of impact. Only putts struck in the centre of the putter face were used for analysis.