GCQ spin and distance

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  • delaloi
    Advanced Member
    • Oct 2017
    • 312

    #1

    GCQ spin and distance

    The last couple of days I've been working on some swing changes and started seeing some large distance gains that were not really expected or easy to understand. After patting myself on the back I started to wonder a bit, and with some investigation I think I've found the explanation: the ball.

    For a good 8-iron, my swing speed is around 87mph and dynamic loft in the range of 32 degrees (would love it to be lower). I get a smash factor of around 1.3, which translates into ball speed around 110mph. With a ProV1 that means spin around 7500 and carry distance of about 150 yards. With a Callaway ERC Soft I'm seeing spin more like 3500 and carry 165. Today I had one carry 172, which is about what I would normally expect from a 6-iron. Just unheard-of distance for me, and for awhile I'm thinking I've turned into Godzilla, until I realized that it was the ball making the difference. I didn't make a real scientific measurement but there is no doubt the Callaway reads as flying significantly farther than the ProV1 at the same ball speed. Like, 10-12 yards farther at least with the 8. (I did not compare launch angles with the 8, but there is no doubt that off a wedge the Callaway launches much higher than the ProV1 -- not sure if this could account for something.)

    Question: is this reasonable? Am I really flying the low-spin ball that much farther or is this a GCQ bias to low-spin shots? It's not freakishly low spin that should read as any kind of error. I normally play a ProV1 but if the low-spin ball is giving me that much more distance I would have to think about changing. Yet I never heard about the ProV1 being a ball that comprimises distance. Which is why I'm thinking it's the Quad, not reality. Thoughts?
  • Dax
    Ultimate Member
    • Oct 2014
    • 1797

    #2
    Not sure about the yardage diff, but a lower spin ball will carry further and given that you are seeing half the spin, it could be as much as 10 yards difference. Did you also not notice a higher launch angle with this ball compared to the prov?

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    • delaloi
      Advanced Member
      • Oct 2017
      • 312

      #3
      As I said, I did not look closely at launch angle off the 8i. I know the Callaway low spin ball launches significantly higher than the ProV1 off a wedge. So I guess maybe it launches higher off the 8i too.

      But that's kind of beside the point here. If I'm really flying an 8-iron 15 yards farther with the soft Callaway than with the ProV1, that might outweigh the benefit I see from the ProV1 spin. I don't really care whether it's higher or lower. If anything, if it's launching higher then I care less about the spin because it will stop anyway. Titleist does not sell ProV1s by saying yeah they fly 10% shorter than soft Callaways but you will love the spin. I'm just feeling the Quad a bit suspect here. (Which, I love the Quad, have owned mine for 6 years, and have never until this week had this sort of question.)

      Comment

      • l40niners1
        Member
        • Dec 2020
        • 72

        #4
        If you're only getting 3500 spin with an 8 iron I bet you'd be hitting your longer irons and driver with too little spin to stay in the air and you'd be losing distance with those clubs

        Comment

        • chollier986
          Member
          • Oct 2021
          • 40

          #5
          Are you hitting off the same mat? Mats are inherently lower spinning vs grass. 4000 spin deviation between balls is quite a lot. You may just be hitting it higher on the face with you “new swing”. Try hitting the balls side by side.

          Comment

          • delaloi
            Advanced Member
            • Oct 2017
            • 312

            #6
            @niners: I do not have low driver spin, or low spin generally. I think 7500 off an 8i with a ProV1 is relatively normal spin. I wish I could get my driver spin lower, it's usually close to 3000 and when it gets down to 2200-2500 I love it. That's not low driver spin. I never ever have those <1500 spin shots.

            This low spin 8i is entirely the ball. The Callaway ERC spins half the ProV1.

            @986: Same mat, literally one shot after the next in my sim. I only figured this issue out because I happened to have 2 balls sitting there in my sim. I was thinking I was all of a sudden huge until I hit a ProV1 which flew the normal, expected distance. The Callaway shows as flying 10-12 yards farther for the same ball speed, without fail.

            I'm baffled.

            Comment


            • l40niners1
              l40niners1 commented
              Editing a comment
              I know it's the ball and was pointing out you should try your longer clubs too before switching from a prov to the Callaway for your gamer because you stated the extra 8 iron distance and height may outweigh the loss in spin

            • delaloi
              delaloi commented
              Editing a comment
              Got it, thanks!
          • MongoOnlyPawn
            Advanced Member
            • Nov 2020
            • 301

            #7
            Sounds like it's time for an experiment on the driving range. Is your hitting strip portable?

            Comment


            • delaloi
              delaloi commented
              Editing a comment
              Can't move the mat. In any case, not sure I want to send a couple hundred bucks worth of balls down the driving range in the name of science. :-)

            • MongoOnlyPawn
              MongoOnlyPawn commented
              Editing a comment
              Good point
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