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  1. The robot data is all that matters really. You just need to translate how the ball reacts to the robot to how you swing. You simply can't replicate all the swings, with all the equipment setups that are out there. But you don't need to. If two balls have 200RPM of spin difference and 1MPH of ball speed different and 10ft of peak high difference for one swing at 85MPH it will have the same difference for any other swing and equipment at 85MPH. One ball might go further than the other for each person, but the differences in spin ball, speed, and trajectory between the balls will be constant.
  2. You can optimize the delivery of an 85MPH swing to make just about any ball the longest ball. If you are using a low spin driver, with a positive angle of attack and not delivering a lot of loft, the higher spin ball will go further than the lower spin ball (which is what the TP5x and V1x are). There simply is not enough time in the world to re-optimize the robot's delivery to maximize the distance for each individual ball. The total distance was probably the least useful metric they were testing, so if you base your decision on that, you're doing it wrong. Ball speed was the most
  3. To be fair, without a launch monitor and hundreds of shots, I'm not sure the average golfer could really find trends at all between two high quality urethane covered balls.
  4. You'll be happy to know that Trajectory is something they are tracking in this test. They noticed that the difference in launch angle off the driver at high speeds was basically the same for every ball, so they are tracking peak height, and more importantly how far down the range the peak occurred along with descent angle. This allows them to see aerodynamic differences in the balls that something like a GCQuad wouldn't show. I'm not exactly sure what you mean by playability. They decided their wedge test from the first big test wasn't as informative as it should have been. To comb
  5. In a round about way, friction does sort of correlate to spin axis; but not in the sense that you are thinking of. If I hit two shots with the same face and path angle, but one shot has a spin loft of 14* and another has a spin loft of 1*, the lower spin loft will tilt the axis much more than the than the high spin loft. In general the more spin loft, the more friction. This is why it's really hard to slice a wedge, you're starting with a lot of loft and to slice you need to open the face to the path, which will increase dynamic loft and spin loft making it even harder to tilt the
  6. Never worry about side-spin when selecting a ball. There really is no such thing as side-spin. There is total spin, and a spin axis. The spin axis is created at impact and the ball has basically zero effect on the spin axis. You hit two balls with the same club delivery, they will have identical spin axis (assuming the ball is free from defects). Side-spin is just a simplified way of saying what percentage of the spin is on the horizontal axis. If you hit a ball with a 45* spin axis and 4000RPM of spin, side-spin would be 2000RPM. But the difference in spin between ball
  7. arbeck

    Q Star Tour

    This is anecdotal evidence, so not really very good evidence, but I have no way to hit these balls on a trackman so it's the best I've got. I used to play the Q Star Tour pretty much exclusively. The price was right, I liked the feel, and I wasn't super concerned about the loss of distance off the driver at my swing speed. I would have liked more iron spin, but I could learn to play around that. Something I noticed though was that I got fliers off irons more often than I would expect. I expect a ball in the rough, or a wet ball to sometimes go a bit further. But I was having one or two shots a
  8. Softer balls are lower spin balls. There is some thought that if you spin the ball less you will get less curvature on your shots. This isn't really the case. The spin difference between a soft ball and a firmer ball won't make an appreciable difference in the amount of curvature. The ball won't change the spin axis, and the amount to spin will be close enough that you won't be able to see a difference in straightness.
  9. The friction force causes spin, but doesn't change the spin access. Two balls will have very different spin rates, but the axis on which they spin will be identical.
  10. Spin axis is 100% a function of the loft, path and face angle of the club. Any two balls will have the same spin axis if hit with the same delivery numbers. The total amount of spin can change from ball to ball, but the axis will be exactly the same.
  11. This is true, but has little to do with straightness. It has to do with distance. More spin means less distance (generally, there is a certain amount of spin you need depending on your ball speed and launch angle), so reducing spin with longer clubs makes them go longer. The reason manufacturers push low spin balls to players is partly a feel thing (people like softer balls and softer balls spin less), but there is also some performance reasons. A softer ball will lose ball speed with a driver, however you can make most of that up by spinning less. So at <100MPH swings a soft ba
  12. Durability was definitely an issue with the first batches. It was supposedly fixed. However, it's nearly impossible to know if the box you are buying came from a bad batch or one of the newer batches. So there is that to consider. The ball also is very spinny. If you need a lot of extra spin, there isn't really a better option save maybe the bridgestone tour bxs. It's a fairly niche ball in the same way that the Pro -V1x is, but the opposite. It isn't a slow ball. Ball speed numbers with it are as good as anything. And anecdotally, the wind performance seems great. But if you hit y
  13. Were you hitting into a net, or letting the ball complete it's flight? One of the big differences with this years balls is a whole new dimple pattern, and you're really only going to be able to test that if the ball completes it's flight.
  14. Should be the V1x, assuming their covers are similar. A soft cover against a harder inner layer will produce more spin.
  15. I wouldn't classify the XV as a low spin ball. It spins more than the ZStar around the greens and off irons. It might be slightly lower spin off the driver, but is so close that you aren't likely to see it.
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