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TGC Distance Calculations

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  • TGC Distance Calculations

    I put together this spreadsheet for my personal use. I thought others might find it useful.


  • #2
    This is awesome, thanks! Hopefully it'll help me hit it straight as well haha

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    • #3
      Very nice, looks much nicer than mine does. I recommend to whoever uses this to blow it up to like a 4ft poster size and pop it on a wall somewhere close by, if youre in the rough a lot like me, youll be using it a lot and its nice to not have to walk over to a small paper. I think I might just do that with your version, much cleaner looking, good work!

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      • #4
        Good idea regarding poster sized. I'm going to get that done at staples.

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        • #5
          This is cool but begs to question why have a penalty at all. I mean what is the difference between the fairway or the rough when you know a fixed distance. I think there is some effect on spin but it doesn't see to effect it much. I've been an advocate of a penalty range so like 6-10% for light rough for example. I think this would add a level of realism to the game and put a higher premium on hitting the fairway. Not sure what ever happened with that.

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          • #6
            Originally posted by mmlincon View Post
            This is cool but begs to question why have a penalty at all. I mean what is the difference between the fairway or the rough when you know a fixed distance. I think there is some effect on spin but it doesn't see to effect it much. I've been an advocate of a penalty range so like 6-10% for light rough for example. I think this would add a level of realism to the game and put a higher premium on hitting the fairway. Not sure what ever happened with that.
            That's not a bad idea, I like that penalty range idea. That would make it much more variable and realistic.

            Some may say they can tell in real life how well they will be able to hit it out of the rough based on actually seeing the lie and there is a lot of truth to that but tough to be totally certain, so having a small range penalty might work nicely to stimulate the uncertainty of rough shots.

            On a side note though, I feel like it's almost more punishing playing out of the rough in tgc then it is in real life some of the time (depending on the course you're playing in real life obviously). Most of the courses we are playing on I doubt have us open length rough on it and many of the ones I've played on i usually don't have to add 2 whole clubs to get to the green.

            I know I feel a lot more confident hitting into a green with a 7 iron as opposed to a 5 iron. So even though we may know the exact distance it plays as in tgc and are hitting off of nice clean mats, the having to add that many yards to your shot is definitely a penalty in my eyes.

            I still do like the idea of a random range on the penalty, and like the idea even more for having a little more of a hit to the spin rate, especially on chip and pitch shots that I feel we are all stopping a little too quickly some of the time out of the rough.

            Having said all this, I do like that the game right now is about how well we hit our shots and not just down to good and bad luck on the amount of penalty we get out of the rough. But luck is a big part of golf as well.....So this was a long post of me just arguing with myself on this, so I'm torn haha

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            • #7
              I agree with mmlincon. Great chart Bama, and thanks for sharing. A margin of error would be nice vs a widely known penalty. A touch of randomness would be great, since that's our reality IRL.

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              • #8
                I've only played one round calculating the penalty distances, but in the one round I played it did not seem to help me at all, so I am still feeling like real golf :-). Look forward to using the spreadsheet. And big THANKS for sharing! Great community here!

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                • #9
                  Margin of penalty would be cool.

                  But, trying to hit a green from 14% farther away will always be penalizing even if you know the exact yardage. I don't think it matters we know the exact penalty.

                  It's the same thing as hitting the fairway, just you now have a 14% longer approach shot. You're going to not be as close to the hole on average as you would have been if you were in the fairway.

                  So the result is a penalty anyway.

                  I'm fine with it either way.

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                  • #10
                    I'm convinced its the mat that is impacting my distances. I "can" get my indoor distances to match my outdoor distances, but I really have to swing much harder inside than I do outside. I've been paying attention the last few IRL rounds. I'm getting 140-150 "carry" distance on my 8-iron consistently and that swing indoors on SkyTrak I'm at 130-140. Again I can hit that 150 mark inside, but I REALLY have to put a perfect swing on the golf ball. I've resided myself just to know that I'm going to use a club difference indoors than compared to outdoors and I'm leaving it at that and moving on because the indoor tour is so much fun I'm just not going to worry about it any more. The one thing that does worry me is using this as a side business which I do and having folks come in and not hitting the same distances and not coming back because of it. Any maybe it won't impact them like it does me.

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                    • FaultyClubs
                      FaultyClubs commented
                      Editing a comment
                      If it is your mat then should be easy to verify by raising the ball on a small tee and see if you suddenly get your outdoor distances. In my case it didn't make much difference so I've accepted that I just don't swing the same in a little room in my house compared to outdoors. And that's after years of doing it.

                      For your side business...most single digit handicapper golf nuts don't really know their distances so the general public won't have a clue. Likely they'll be like everyone else and think they hit it father than they do. Most places i know boost their distances...and also reduce side spin effect to keep their customers feeling good...maybe you can do the same. Only change if someone complains that it is longer that IRL.

                    • keither5150
                      keither5150 commented
                      Editing a comment
                      Boost for skytrack was added to TGC configuration for this reason. At the end of the day you want your indoor game to match your outdoor game. Your difference amounts to one club and that's pretty big. I brought in a couple of friends to help calibrate my GSA sim. I suggest that you do the same. The whole indoor/outdoor swing difference is valid... but good golfers get over that pretty quickly.

                    • MainStGolf
                      MainStGolf commented
                      Editing a comment
                      Yeah I don't think you can "boost" SkyTrak itself can you? The one club length difference doesn't bother me. I just know when I come inside I'm going to have to hit the different set. It did mess with my outdoor game for a while as I was trying to hit outdoors what I was indoors. So now I know and have made the necessary adjustments.

                      I think you can make some adjustments on the range with elevation and what not. I think the higher the elevation the farther your ball should travel right? I may have to do some toying with that to see if I can get the range at least accurate. I don't think I could do that in TGC to get a range accurate could I?

                      And yes I explain to people the indoor/outdoor swing, but for me it's not valid. I've had my SkyTrak for over six months now and I have plenty of room to swing as it's in my office and there's nothing that can break, etc.

                      From the business aspect of it it's the "hackers" that worry me the most. I don't see big time golfers as potential customers. It's the weekend guys that I think will use this the most and those are the ones that I think will be the most offended by it not seeming like "real" golf. No validity to that yet, but just a thought.

                  • #11
                    Perhaps a future upgrade in sim golf would provide an actual picture of your ball in the rough or sand. So there you are, looking at a fried egg sand shot and a notice of a 30% penalty, or a deep in the grass rough shot and a notice that the shot had better look like a well struck wedge or else you ain't getting out.

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                    • #12
                      It would also be more realistic to have the grain of the green modeled, and an indicator of grain direction...maybe just varying shades of green.

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                      • #13
                        Another dose of realism? Varying shades of green color to indicate the grain, and modelling the effect of grain.

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