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Distances Skytrak app vs. JNPG vs. TGC

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  • Distances Skytrak app vs. JNPG vs. TGC

    Ever since I hurt my side a few months ago I've been slowly ramping back up to the swing speeds I had prior to the injury. However, I've now played a few rounds of real golf and to be honest, my distances in real life are all a mess right now. I used to be very consistent with distances and this was a major strength to my game however my last few rounds of IRL golf I was thrown for several loops compared to what I've been seeing on the SIM. I use the Skytrak app, JNPG (formerly PG), and TGC quite a bit. So tonight, I decided to put each of them to the test and get to the bottom of my problems. I have a swing caddie sc100 as well that I used as my control. I measured every shot against the SC100, which many claim to be very accurate. I used the same ball for the entire length of my session. My findings:

    skytrak app vs. SC100
    skytrak consistently 2mph ball speed higher than SC100
    wedge average 120 sc100 average 125 skytrak app
    8-iron consistently within 1 mph average 145-150
    driver consistently 30 yards longer on SC than in skytrak app!! with same ball speeds. I am a very low ball hitter so I suspect this to be the problem.
    Example - one drive I hit with 142mph 8 degree launch 2256 spin almost dead straight. Carry in skytrak app 198 total 206, SC100 said I hit it 244. Foresight trajectory optimizer says carry 223 roll to 239. Appears skytrak app doesn't handle low launch low spin conditions well at all.

    Moving on to JNPG vs. SC100
    wedge and 8 iron consistently 2mph higher on JNPG than SC100. Carry distances slightly longer in JNPG from 2mph. Total distances longer on JNPG on normal setting due to roll out, only slightly longer on soft setting.
    Example - 8 iron 106mph sc100 146 108mph JNPG 150 on soft total
    Driver - On soft conditions, similar to issues seen above in skytrak app. On normal, distances within 5 yards on 10 drives Sc100 vs JNPG. I also think JNPG has trouble with low launch low spin shots which, unfortunately is my predominant ball-flight. However distances very close sc vs. JNPG across all shots.

    On to TGC
    Start off with wedge on practice range - first shot 143 carry vs SC100 119 carry and 4mph more on TGC (jaw dropped)
    This continues with numerous wedge shots - consistently 4mph more than sc100 and shots carrying 20-25 yards longer than SC with carry.
    Move on to 8-iron and same thing occurs 175 yard 8-irons on TGC vs 150 on SC.
    Hmm, what happens if I switch club from driver to wedge or 8-iron?
    with wedge - 130 yard carry vs. SC100 119 yard total, still 3 mph higher in TGC app.
    8 irons are very close when struck well but 2-3mph higher in TGC thus 5-8 yards longer than SC100 consistently.
    Move to driver with 8-iron still selected.
    2mph higher in TGC than Sc100 resulting in 8-10 yards more in game than on Sc100. 260 to 250 an example.
    Switch to driver in game while hitting drivers:
    first swing 143mph Sc100 145 TGC. 247 total Sc100 270 CARRY in TGC runs out to 285. Wow.
    2nd swing I really try and rip and hit a good one (for me) 145mph SC100 148mph TGC. 250 total on SC100 281 CARRY total 301 TGC. 50 Yards longer than Sc100.

    Switched back to JNPG and hit a good drive right away to compare with very little sidespin
    146mph sc vs 148 JNPG. 255 sc vs 267 JNPG. This one would easily have gone over 300 maybe 310 in TGC.

    At this point I don't know what to think. I think that normal conditions in JNPG are good off the tee, but a bit too "hard" at the greens and short-irons don't spin enough in normal thus resulting in longer short-irons than I can hit IRL, however I can spin a wedge a LONG way on "soft" conditions. Seems there should be a happy medium found there.

    I think that the skytrak app does the worst job handling low-spin low-launch conditions, and even on firm setting carry just is simply too short.

    I think that TGC driver is boosted, plain and simple. While it feels nice to hit 300+ yard drives I just don't think that's possible with 148 swing speed. On flightscope trajectory optimizer even with the very best launch conditions possible I couldn't get one to carry more than 255, nowhere near 281 carry I hit above.

    I'm using SIM for fun no doubt, but I'm also using it to improve my IRL game. I'm still hunting for the best combination of the above but right now JNPG is easily the closest to IRL that we have to choose from based on my findings above.

  • #2
    I've literally never had any of those issues in TGC. I average around 152 mph ball speed with a driver and I consistently carry it around 260-265 yards in TGC. I can count on one hand how many balls rolled out to over 300 yards. That was only due to elevation. All of my distances are exactly what I'm use to seeing IRL with my rangefinder. Maybe the driver setting got changed in the gameplay menu without you realizing it.
    Last edited by Vincent_Vega; 05-09-2016, 04:19 AM.

    Comment


    • Tekbud
      Tekbud commented
      Editing a comment
      The Drive "Difficulty" setting? I have it set to Normal. I don't see any other options.

  • #3
    I use a GC2 with JNPG and TGC. My BS is around 150. My carry is the same as Vincent. My distances are similar in both softwares and IRL. TGC is maybe 2 yards longer than JNPG with an 8 iron but that's it. Oh ya. The update allows you to pick the green speed. Every user user other than skytrak boosts putting in their settings. I know you're very vocal about putting speed.

    Not sure why your numbers are off. Maybe you could post all of the numbers. Launch, bs, spin ect.
    My Courses:
    World Par 3's by mthunt
    Toronto GC (L) mthunt
    Burlington G&CC by mthunt
    Weston G&CC by mthunt
    London Hunt Club L mthunt
    Park CC Lidar mthunt
    Sunningdale GC Robinson L
    Sunningdale GC Thompson L
    Muirfield Village (liDAR) First Ever Lidar course
    Country Club of Castle Pines (liDAR)
    The Sanctuary GC ProTee L
    The National GC L mthunt
    Mississaugua GC L mthunt
    Shaughnessy G&CC L mthunt
    Markland Woods CC mthunt
    Hidden Lake Old L mthunt
    Magna GC L mthunt
    Barrie CC L mthunt
    mthunt Range

    Comment


    • #4
      Originally posted by Tekbud View Post
      The Drive "Difficulty" setting? I have it set to Normal. I don't see any other options.
      Beats me then, not sure. Because this would be the first instance I've heard of someone reporting hitting it over 300 yards on a regular basis with 148 ball speed. My BS is exactly the same as what is was when I owned a GC2 and the carry distances are as well.

      Comment


      • #5
        Yeah I'm 160-165mph, 2000 rpm, 14 launch and get around 270 carry if struck well. That's siginificantly higher ball speed and lower carry than yours. GC2 with TGC, but seems like it's a TGC setting that you have that shouldn't be on. Never seen that.

        Comment


        • #6
          the drive difficulty setting does nothing. It's for video game play
          My Courses:
          World Par 3's by mthunt
          Toronto GC (L) mthunt
          Burlington G&CC by mthunt
          Weston G&CC by mthunt
          London Hunt Club L mthunt
          Park CC Lidar mthunt
          Sunningdale GC Robinson L
          Sunningdale GC Thompson L
          Muirfield Village (liDAR) First Ever Lidar course
          Country Club of Castle Pines (liDAR)
          The Sanctuary GC ProTee L
          The National GC L mthunt
          Mississaugua GC L mthunt
          Shaughnessy G&CC L mthunt
          Markland Woods CC mthunt
          Hidden Lake Old L mthunt
          Magna GC L mthunt
          Barrie CC L mthunt
          mthunt Range

          Comment


          • Vincent_Vega
            Vincent_Vega commented
            Editing a comment
            Good to know, thanks. I'd seen it in the game play settings but have never changed it to see what effect it had.

          • DirtyGarry24
            DirtyGarry24 commented
            Editing a comment
            I have a question for you guys in regards to Skytrak and TGC. Why is my swing speed so low on TGC readout? Ball flight and distances match Skytrak driving range, but my swing speed reading is very low while playing TGC. For instance, a 180 yard 6 iron will show 73ish swing speed. For me, that should be mid/high 80's swing speed. In the grand scheme, it doesn't affect anything, just odd to me.

          • ProTee United
            ProTee United commented
            Editing a comment
            SkyTrak only measures ball data. Swing Speed and other club related data showing in TGC for SkyTrak users are calculated and are far from accurate. You will need a club tracking device in order to get accurate club data.

        • #7
          I am another one that still can't get my indoor numbers to match my outdoor numbers consistently, especially with the drivers. My irons have come around and are pretty accurate now, except for my wedges. Those I'm getting "more" distance than in real life, and I'm guessing it's because of the lie of the ball with the mat instead of IRL lies which vary on the course that I play. I'm used to it now and it doesn't bother me as much about the distances. What still gets me is the shaping of the shots. Still pretty far off from IRL shapes IMO.

          Comment


          • #8
            Originally posted by Tekbud View Post
            I think that the skytrak app does the worst job handling low-spin low-launch conditions, and even on firm setting carry just is simply too short.

            I think that TGC driver is boosted, plain and simple. While it feels nice to hit 300+ yard drives I just don't think that's possible with 148 swing speed. On flightscope trajectory optimizer even with the very best launch conditions possible I couldn't get one to carry more than 255, nowhere near 281 carry I hit above.

            I'm using SIM for fun no doubt, but I'm also using it to improve my IRL game. I'm still hunting for the best combination of the above but right now JNPG is easily the closest to IRL that we have to choose from based on my findings above.
            Thanks for the feedback. Whatever happens in TGC, WGT, or PG regarding ball flight is up to them - all we do is provide the raw data.

            I will, however, report that we just finished up another round of robot testing and are working on tweaking the flight model to address that exact problem area - low spin + very low launch off the tee.

            We will also address roll out (slightly) in the next release as well.

            Comment

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