Vertex study
Measured putts: 1730 and counting
Below you will find putts charted with Vertex to explore the rotational behavior of multiple styles of putters, with a heavy focus on "zero torque" models.
Notes from past dated sessions can be viewed in the Case Study sub menu.​
The table below is best viewed on a desktop.
4/7 - 150 putts
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​Rob B. stopped by to hit a few sets of putts. For the first set of 25, he used his center-shafted Goodwood M1 mallet. While consistent, the face at impact was pointed 1.3 right.
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The next 4 putters, which increased in toe hang and then moved to "zero torque" and less torque biased produced interesting numbers. Consistency dropped with the most significant toe hang, but the face remained .9 open for the first 3 models. ​
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After a little discussion, and a look at his set up, it was clear the face on each putter typically starts in a closed position. His path moves left and the face is held open to compensate. Then he hit one more set of putts going back to his personal putter.. improved aim, ball position moved slightly back, and further improvement at an average of .7 closed.
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Final thoughts: Rob's stroke is quite repetitive, with excellent rhythm numbers. When ultimately asked which putter he would continue using (given the results being pretty similar) if he could choose any one of them, he settled on his own M1. Reasoning: both the LAB and G Wagon models were difficult to address comfortably and lacked awareness in the back stroke, while the significantly more toe hang model was too pronounced in the back stroke.
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I will continue adding to this spreadsheet daily, tracking my own data and thoughts. I will also include results/thoughts of others as they stop by to hit putts as well.