moving gt4 weights

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By JVia

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  • 10 Replies
  1. JVia

    JVia
    PA

    Does anyone know what the changes are in ball flight if I switch the weights around on my gt4 driver, hitting a prov1 it is set at a D2, 8deg or 7.5 from my fitting, my swing speed is only 97/98 but that is what they fitted me into after trying everything else on the market. They say I'm a little quicker at the bottom of my swing hence the xstiff shaft and gt4. I've played 6 rounds with it and have hit the longest drives of my golfing life but a little erratic hitting fairways. I hit one in the water and got pissed off and hit the second shot 293 down the middle, longest drive of my lifetime (prob won't do it again) especially for a 5'8" 62 yr old. At least now I know how it feels for you young bucks that crush the ball all the time.

  2. Chuck Z

    Chuck Z
    Mt Pleasant, SC

    Military
    Sounds like your fitter did you right. Age and height has nothing to do with distance. It is in technique and proper equipment. Most young bucks would like to crush it 293 down the middle.

    Interesting data regarding drives, based on handicaps, not age:

    Players with a handicap of between 0 and 4.9 drive the ball an average distance of 245 yards, while golfers playing off 5 to 9.9 (245 yards), 10 to 14.9 (234 yards), 15 to 19.9 (211 yards) and 20 to 24.9 (201 yards) all drive the golf ball more than 200 yards on average.

    Kudos.
  3. Brock L

    Brock L
    Fort Myers, FL

    What are your launch, spin and carry numbers? With that little club head speed, X flex shaft and that little loft, can almost guarantee you don't have nearly enough spin to keep the ball in the fairway. You should be launching the ball around 12-14 degrees with 2,200-2,400 RPM. I'd be willing to bet you are well under 2,000 RPM.
  4. JVia

    JVia
    PA

    Best # at the fitting 97mph club speed, 16.2 launch, 89' height, 1.41 smash, 251 total, 36.7 landing angle
  5. Brock L

    Brock L
    Fort Myers, FL

    1.41 smash is not good, especially for your best swings. Best strikes should be 1.48 or better. That's a LOT of efficiency lost somewhere in the club. If you have 97 mph club speed, your ball speed should be around 145mph. That means your MAXIMUM possible carry is right around 240 yards. I'd go see another fitter, because something isn't right.
  6. J22abe

    J22abe
    Texas

    I was fit in to a TSR4, and on the course I've found that it is erratic too. This is all down to ball striking. The 4 model has the smallest sweet spot and least amount of forgiveness of the whole line, and probably every manufacturer. It is also the fastest driver on the market which will give you that 293 when you button it. But if you miss more than a few millimeters off center you will get punished.

    To cut down spin and launch the 4 has the heavier weight in the front. To provide more forgiveness you can swap the heavier weight in the back. It's going to launch a little higher, maybe 1 degree launch angle and will spin a few hundred RPMs more. You may find you hit it further due to the slightly more forgiveness increasing ball speeds on small miss hits, the spin may help with control as well.

    My TSR4 has 5g in the front and 13g in the back. It's 4g heavier due to being 1/2 shorter and me liking a heavier swing weight. Unless they moved it and changed it already in your fitting (Which they might have) you should have a 3g in the back, and 11g in the front assuming you're at the standard 45.5 inches.

    But 98 mph ball speed is amazing!
  7. JVia

    JVia
    PA

    I have a weight kit coming in and I'm going to try a 5 front and 9 rear and see if I can find a sweet spot
  8. Figs

    Figs
    Carlsbad, CA

    293 yards with a club speed of 97/98 sounds unrealistic unless you played concrete fairways to get an extreme roll. I'm also gaming the GT4 with club swing at 110 and still don't get that much carry yardage.
  9. JVia

    JVia
    PA

    No I think it was just one of those strang perfect storms of a swing, I prob won't ever hit one like it again. I walked it off and it carried about 270 and rolled the rest. Even that's a stretch for me. I do wonder why they put me in an extra stiff shaft though????
  10. With a swing speed under 100 IMHO you’d have been better off with the GT2/3. The 4 is a spin killer and the XS shaft is most certainly not helping. You’re leaving distance for sure with that setup, your tempo should have no bearing on the flex shaft you’re using. A proper fitter should have had you test different weight shafts, balance point, etc to see which shaft would help smooth out your tempo a bit.
  11. With a swing speed under 100 IMHO you’d have been better off with the GT2/3. The 4 is a spin killer and the XS shaft is most certainly not helping. You’re leaving distance for sure with that setup, your tempo should have no bearing on the flex shaft you’re using. A proper fitter should have had you test different weight shafts, balance point, etc to see which shaft would help smooth out your tempo a bit.

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