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The Wedge Guy: Some things that make me go “hmm…”

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As you might imagine, playing golf as long as I can remember–and then tacking onto that passion 40 years in the golf equipment industry–has given me a broad perspective on the evolution of golf clubs and the game we play. And those six decades of observation and experience have not yielded a shortage of things that make me scratch my head and just wonder…wonder why that is?

Of course, beginning golf in the 1950s and developing into a pretty good teenage golfer in the 1960s meant that I learned with persimmon woods and forged blade irons—that’s all there were back then. As I entered the golf industry in the late 1970s, I was blessed to do marketing work for Joe Powell, who was a total maestro when it came to crafting the finest persimmon woods. That was before the introduction of the TaylorMade metal woods, so everyone played persimmon. I learned a lot about golf club performance from Joe; for example, you wouldn’t know that he was frequency-sorting shafts before anyone was commercially offering “frequency matching.” Joe just saw it as a way to eliminate a variable in the golf club.

Over those 40 years in the golf equipment industry, I have observed the evolution of all our clubs from those earlier “states of the art.” No one then would have imagined the technology we now see in drivers, irons, putters, shafts…but all that technology leaves me scratching my head all too often; I would like to share just a few of those puzzling observations and get your take on them, OK?

What really makes today’s drivers so much longer?

It is impossible to isolate any single technology and how much it affects driving distance. Since those days of persimmon, we have had quantum leaps in shaft technology, heads have gotten nearly three times the size in volume, we have pushed perimeter weighting to the max, and we have faces of exotic metals that act like trampolines. While all of those things have contributed to the distance gains, as far as the driver is concerned, my take is that it mostly boils down to two primary things.

  1. Drivers are at least two–and up to three-plus ounces–lighter than they were back then; that’s a weight reduction of 15-25 percent, so of course, we can swing them faster…and clubhead speed makes the ball go further.
  2. We all swing harder than ever before because the penalty for an off-center hit has been reduced dramatically. In my opinion, all the other technologies only tweak the effect of these two advancements. What do you all think?

What is the deal with “matched sets” of irons?

From the advent of “matched sets” in the 1920s (a development pushed by Bobby Jones), irons have been designed so that the lowest-lofted 2-iron (now 3 or 4) through the highest loft club marked ‘P’ or ‘W’ all look alike. That’s always puzzled me because the impact dynamics of a 25-degree iron are radically different from those of a 45-degree iron.

Only recently have manufacturers begun to mildly modify the mass distribution through the set to give higher launch angles to the long irons and lower trajectories to the short irons, but when will they take this to the optimum and break the chains that bind–the restriction that all the irons in a set must look alike? [NOTE: I know that mixed sets have been offered and failed, so maybe it’s us golfers that won’t let them do that.]

About those adjustable drivers/fairways…

The advent of the adjustability device has completely taken over the driver category. There are very few sold today that are not adjustable, and there are a myriad of devices and principles espoused by the various manufacturers. But I’ve always been puzzled by one very important aspect of this. It would seem to me that to be truly “tweakable,” the driver shaft would have to perform in an identical fashion regardless of the position to which it has been rotated.

But we know that even the finest graphite shafts are not completely straight, completely round or completely symmetrical in flex performance. The fact is that, at 100-plus mph, the driver shaft is exhibiting a lot of split-second dynamics, and those can change depending on the orientation of the shaft into the clubhead. That’s why we have the concepts of “spine-ing” shafts and even more sophisticated “Pure-ing.” The problem is that we don’t know what we don’t know about any specific shaft. I’ll leave the rest of this conundrum to your own head-scratching.

Forged blade irons vs. mainstream wedges

Being a wedge junkie, this one puzzles me the most. Statistics indicate less than two percent of all golfers game a true single-piece forged blade iron (but a large percentage of tour players still favor them).

I’ve heard all the reasons…

“The thin top line is intimidating.”
“I can’t get the ball flight I need from the lower lofts.”
“I’m not good enough to play these.”
“They are not forgiving enough.”
“Blah. Blah. Blah.”

But yet 95 percent or more of all wedges sold are of the same design favored by the tour players. Single piece cast or forged designs…just like tour blade irons. Heavy and stiff steel shafts…just like tour blade irons. I can’t make sense of that, but with very few exceptions, that’s all the industry gives us, isn’t it?

Let me share a little secret that no one will tell you. On an “Iron Byron” swing robot, a tour blade 9-iron is much more forgiving of mishits than any of the current mainstream wedges.

Does that make any sense at all?

I think I might have just opened a can of worms, and we can spend lots of time talking about this, I’m sure. And we probably should. Please sound off with your comments on this first handful of topics, and let’s tackle some more.

What makes you go “hmm…”?

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Terry Koehler is a fourth generation Texan, a native of a small South Texas town and a graduate of Texas A&M University. He has had a most interesting 40-year career in the golf industry. He has created five start-up companies, ranging from advertising agencies to golf equipment companies. You might remember Reid Lockhart, EIDOLON, SCOR, or his leadership of the reintroduction of Ben Hogan to the golf equipment industry in 2014. For almost 25 years, his wedge designs have stimulated other companies to slightly raise the CG and improve wedge performance. He has just announced the formation of Edison Golf Company and the new Edison Forged wedges, which have been robotically proven to significantly raise the bar for wedge performance. Terry serves as Chairman and Director of Innovation for Edison Golf, which can be seen at www.EdisonWedges.com. Terry has been a prolific equipment designer of over 100 putters and several irons, but many know Koehler as simply “The Wedge Guy”, as he authored over 700 articles on his blog by that name from 2003-2010.

31 Comments

31 Comments

  1. Greg

    Aug 21, 2019 at 9:13 pm

    Terry

    The Iron Byron info related to single piece blades is telling.
    But i play the Ft Worth 15 and TH/SCOR wedges.
    So I agree with you

  2. GMFlash

    Aug 17, 2019 at 8:01 am

    Terry –

    In addition Rob’s comment above regarding momentum is true, and the fact that Cleveland Srixon makes their clubs heavier to increase swing MOI in many of their designs also helps create greater distance. In a regular cast cavity back the Z-355 irons are my longest to date and the 355 Driver the straightest. In other drivers I have I have added weight until my swing speed goes down – this gives me maximum momentum for my ability.

  3. GMFlash

    Aug 17, 2019 at 7:51 am

    Terry –
    Appreciate the article. Started to take golf seriously about 20 years ago at age 45. From the beginning I read and was told that I could not play forged irons, even though they looked and felt the best to me when demo-ing them at my local Golfsmith. I immediately began to try them all. The problem I found was not the head but finding such “better player” clubs with softer than usual flex shafts that worked for me was really difficult. So I got into club making and mixed and matched shafts that worked with various forged sets, and found I played just as well with those sets, and enjoyed the game more with forged clubs (cavity muscle backs mostly). Presently however I use forged clubs from the 6 or seven iron down – distance comes from hybrids now.

    But one of the biggest developments in club design for me was the implementation of the V-sole (TK invention) which I have on my collection of Cleveland /Srixon clubs (Cleveland CBX, Z-565, Z-765, and Z-355). I shoot my lowest scores with these and am convinced that it is because the way the v-sole interacts with the turf that keeps my clubbed speed up and along the target line. My success with these led me to purchase a set of used SCOR 4161 wedges (42, 47, 51, 55, 61) that have the first V-sole. Despite the small head I am amazed how these clubs always seem to be right on the pin, and go the distance I intend. And they weren’t even fitted to me. So I use the V-sole through my entire set and this design really works. Finally, at least with the scoring irons (6-wedge) my distance with cast cavity backs and forged clubs is virtually the same given the same loft. I am, most of the time on the center of the face.

    My most recent experiment is with hollow hybrid like irons with which I have not had success and never liked the feel, sound or turf interaction until I discovered the Tour Edge CB Proh irons. Forged face hollow with a V-like sole in the 3-7 iron, these perform for me especially with the stock fujikura fuel reg. flex shaft. I never like the fat soles of hybrid irons, but these get through the turf very smoothly and as with the other v-sole clubs are more along the my target line than other clubs I’ve tried – and the distances are consistent too.

    So – the v-sole is really works in CBX, RTX-3, RTX-4, SCOR 4161. And in my experience mid handicap plays like myself can indeed play with forged clubs provided other parts of the club equation are in place for their swing dynamics.

  4. Ed james

    Aug 16, 2019 at 1:03 pm

    If one sets his adjustable club for a certain bias, wouldn’t it be a) more difficult to work the shot in the direction opposite the bias, and b) exacerbate a miss in the same direction as the bias?

  5. Skip

    Aug 14, 2019 at 5:31 pm

    He actually thinks Puring matters. LOL.

    • Rob

      Aug 14, 2019 at 8:59 pm

      Makes great sense to me, and agree 100% with the wedge comment vs. the forged 9-iron. I play blades with confidence but struggle with my wedge play. What I get is I need more wedge/short game practice time. Very, very good news to know. Many thanks. Have not heard this comment from a professional instructor or club fitter to date.

  6. whatevs

    Aug 14, 2019 at 7:42 am

    I’m still wondering why this dude has a sopabox to preach from. He’s killed every company he started, often soon after it starts, and knows so little about equipment he thinks spine and flow still matter when they haven’t been anything other than snake oil for 10 years.

  7. Nomad Golfer

    Aug 14, 2019 at 7:20 am

    It was good to see Ben Hogan clubs come back into the industry, I only have one BH club and that is a forged 47* Apex Plus ‘E’ along with a Lovett LW which covers all the pitching and sand ploughing I need. Golf in the seventies with the smaller rubber wound balls and wooden clubs was a lot different from today.. When you bought a medium priced set of clubs (like Spalding) the highest loft was the 9 iron and you bought the PW and SW separately, how things have changed.

    • Bob Jones

      Aug 14, 2019 at 3:20 pm

      Ben Hogan clubs have never left. Go to eBay, buy a set of Red Line irons, and have them retro-fitted.

  8. Charles Knox

    Aug 13, 2019 at 10:54 pm

    Terry, that was a phenomenal piece. The secret re: Iron Byron and a tour 9 iron versus wedge absolutely blew me away. At my very best, I played to a plus 3.4. Played two years of mini tour golf and put 198,000 miles on a Honda Prelude, playing across North America. Today, I don’t even keep score. But all of the posts I read today, the clubs sold by players here, many soft and hard stepped, spined or pured, blah, blah, blah, blah… Leads me to wonder: How is the NGF SO WRONG about quality of play in 2019. Considering the equipment, EVERYONE must be a scratch player or better ????

  9. John B

    Aug 13, 2019 at 8:04 pm

    I grew up with a P and an S club and was a very good wedge player not knowing loft, bounce, grind or lie angle. We just bought those clubs stamped P and S and learned how to use them. I’m not sure I am a better wedge player today.

  10. Rob

    Aug 13, 2019 at 5:51 pm

    Is it really so simple as to say more speed equals more distance? The physics of the club/ball interaction is elastic collision, which means momentum is what matters. Momentum is mass x velocity. More mass or more velocity equals more momentum, but if you change both variables in opposite ways, you can’t say for sure what happens to momentum.

    • Brent Anderson

      Aug 14, 2019 at 3:18 pm

      This right here.

    • CJB

      Aug 16, 2019 at 5:34 am

      I would like to see more discussion about this. I tried discussing it once with our club pro but he sort of dismissed it.

      I believe the benefits of a heavier club have been overlooked by manufacturers. Heavier heads give more feedback and feeling during the swing and I feel that they are easier to swing on a natural plane. Plus the extra mass must be good at impact – getting hit by a bus at 30mph will know you a lot further than being hit a 30mph by a go cart – I think! or am I wrong?

      • geohogan

        Dec 29, 2019 at 7:25 am

        @CJB, totally agree

        Most club heads (drivers) decelerate at impact by 20-25%.

        Heavier heads will decelerate less, IF the shaft used is stiff enough and short enough.

        All top shafts have the same tip diameter. At a certain length of shaft, that tip diameter cannot stabilize the clubhead at impact, regardless how stiff.
        That limit of length is 45 inches.

        Only one shaft designer I know has done the calculations.

        His shaft, the Nunchuk is designed with the bend point near the center of the shaft, not near the tip. All twisting and bending occurs during the DS and not at impact, as long as total length is less than 45 inches.

        Shafts less than 45 inches in length(club length), can maintain SW with more weight in the clubhead, another plus, as you point out, CJB.
        This shaft design also eliminates gear effect as well as , deceleration at impact is less than 8%.

  11. ALAN L STEIN

    Aug 13, 2019 at 4:23 pm

    That’s my old Palmer Peerless persimmon driver!

  12. Curtis

    Aug 13, 2019 at 3:42 pm

    I’ll never respect pros till clubs and golf balls get rolled back. Personally I think the equipment does to much work for them. Swing accuracy should matter more. They are very spoiled these days.

    • NRJyzr

      Aug 13, 2019 at 4:05 pm

      The golf ball has been regulated for decades, since the original ODS was implemented. And, the ball was actually rolled back a bit when the new test protocols were introduced.

      The golf balls aren’t the problem.

    • Doug Dobney

      Aug 13, 2019 at 4:16 pm

      Oh noes the best golfers in the world don’t have Curtis’ respect. How will they go on?

    • Nomad Golfer

      Aug 14, 2019 at 7:25 am

      But even with all the modern tech they spray their tee shots every which way in pursuit of distance. I prefer to stay on the fairway.

      • whatevs

        Aug 14, 2019 at 7:40 am

        Of course you prefer it because you can’t hit it as far as them

        • Nils Nelson

          Aug 14, 2019 at 4:20 pm

          Switch to decaf, perhaps?

          • John L Wullkotte

            Aug 18, 2019 at 8:11 am

            You tell em Nils. There is nothing prettier than a custom made persimmon driver made by you know who.

      • Mike

        Aug 16, 2019 at 1:18 pm

        Have you been to a tour event before and saw them “spray it”? I’d love to have their “spray” shots. When you swing it 125MPH a degree or two off is a lot larger miss than when you’re swinging it 95MPH.

        If you’re playing a 7200 yard course first things first. You have to be long enough to play the course regardless of hitting a fairway. “I can stop my 9 iron out of the rough faster than you can stop your 6 iron from the fairway” -B Koepka

  13. Fitz

    Aug 13, 2019 at 1:06 pm

    What makes me go Hmmm?

    That one of the finest wedge and iron designers in the world isn’t producing wedges and irons for the marketplace.

  14. Juststeve

    Aug 13, 2019 at 12:53 pm

    What makes the ball go so much further is the ball. Modern drivers contribute but the biggest factor is the modern ball. It was when Nike then Titleist introduced the solid multi-layer ball that driving distances shot up.

    • NRJyzr

      Aug 13, 2019 at 4:10 pm

      Strata was the first solid core multilayer ball. Bridgestone was in there ahead of Nike, also.

      Driving distance change from the solid core ball was all of 5.5 yards. There was a bigger spike due to the mass move to 400cc+ drivers, and launch monitor introduction, a couple years later.

  15. Reid Thompson

    Aug 13, 2019 at 12:11 pm

    Here’s one. Why do they say hit it on the screws when the screws were never in the middle?

    • Ben Hargraves

      Aug 14, 2019 at 7:44 am

      It’s actually the sweet spot, all part of the gear effect. That’s why persimmon woods are so workable

      • Robert Coggins

        Aug 14, 2019 at 3:08 pm

        Golf today is a farce, golf should have been baseball, make the pros play with wood.

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The 19th Hole Episode 141: The (golf) show must go on!

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Host Michael Williams has breaking news on The PGA Merchandise Show going virtual in 2021 from Marc Simon of PGA Golf Exhibitions. Also features John Buboltz with the latest putters and irons from Argolf.

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Barney Adams: Ball rollback isn’t the right move to combat “The Golfer of Tomorrow”

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The announcing crew at the 2020 U.S. Open seemed obsessed with “the bombers”—players who drove the ball extreme distances with little regard for the occasional tee shot into the rough. TV has selected Bryson DeChambeau as their representative, given his length and victory.

I thought I’d wait a bit to see what the industry sources had to say. I can’t say it’s unanimous, because I haven’t seen everything, but the theme is: “Get Ready for The Golfer of Tomorrow”

  • 350-yard carry
  • Clubhead speed which tears through the rough allowing the ball to launch high and carry to the green
  • The ‘new’ instructor who teaches distance be it ground up or whatever new method is used
  • Gym sessions producing athletes who look more like football players
  • And last, a whole new shelf of steroids for golf

At the same time the USGA and its organizational allies are planning meetings focusing on not if the ball will be rolled back, but when—clearly, influenced by visual evidence from a great Winged Foot course in our national championship.

Let’s look deeper!

A hypothetical: go back a few months. You are on the planning committee for the U.S. Open to be held at Winged Foot, one of America’s great venues. This year because of COVID-19 there will be no galleries, something never experienced at a USGA major golf event. I repeat, your committee is planning for the U.S. Open. That implies “Open Rough” a term that is significant on its own. You don’t play from Open Rough, you escape…maybe.

The nature of Open Rough is a thick chunky base with long tendrils reaching skyward. These make it very difficult to find your ball in the best of circumstances and when attempting to advance these tendrils wrap themselves around your hosel closing the face, sending your ball deeper into hostile territory. That’s if you can even find it, Open rough has “disappeared” many balls over the years and done so within full view of gallery spectators aiding course marshals. The rule of thumb for competitors has always been to find the most reasonable patch of fairway and get out.

But this is the year of COVID-19. No galleries. Marshals, but relatively few because of no galleries. Now, considering that normal U.S. Open rough will produce many searches where marshals are important, the shortage of them will cause endless searches—which don’t make for great TV viewing. So, a decision is made, cut the rough down so shots can be found. Still in the rough but sitting on the chunky base and very often can be played. A tough call for the purist but an objective economic evaluation leaves no choice.

The announcers regale us with astonishing distances and swing speeds that allow escape from Open Rough that used to be impossible! The golf publications jump on this theme and predict that the Golfer of Tomorrow will be “DeChambeau-like” not sweet swingers but physical hulks rewriting the book on distance strongly influenced by no fear of the rough.

My point here is those publications and instructors, jumping on the “longer and slightly crooked is better” bandwagon have added 2+2 and gotten 5 when using the 2020 U.S. Open as a premise.

DeChambeau is a great and powerful player, however, I don’t think he’s known for his putting. Now I may have dozed off but I don’t remember him being widely praised for his putting. He should have been, it was terrific, probably influenced his score! He is our National Champion, an unsurpassable honor. But his style has me betting that the USGA is working on dates to discuss changing the golf ball, as in making it shorter.

I’m 100% against such a move. Golf is a game where amateurs can go to the same course play the same clubs and given a huge difference in skill achieve some measure of affiliation with the pros. A birdie is a birdie, not a long or short ball birdie. From a business perspective, the overwhelming majority of those golfers financially supporting golf are over 50. And we want them to hit it shorter?

Well, Mr. Adams what would you do? I know zero about golf ball manufacturing, but keeping the distance the same I’d change the dimples to increase curvature—just enough so it doesn’t affect slower swings that much but very high swing speeds so it’s in the player’s head

More thoughts. As an admitted TV viewer, get rid of those yardage books. Fine for practice rounds but when the bell rings it should be player and caddie, not an “on green” conference. What’s next, a staff meeting?

I’ll conclude with a note to the PGA Tour and, importantly, an admonition. To the PGA Tour: The minute a tee goes into the ground on #1 every player is on the clock. Stroke penalties, not fines, will get their attention.

To the rest of the golfing world: Let’s not blindly pursue the Golfer of Tomorrow concept without considerably deeper study.

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The Wedge Guy: Lessons from your glove

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Almost all golfers wear a glove, but most don’t realize that a close inspection of your glove can tell you a lot about your golf swing and your equipment. It’s like your own little barometer of some things that could be going on that can negatively affect your performance.

One of the simplest things to look at is how quickly your new white glove begins to turn black . . . even if you are using grips on your clubs that are some other color. That’s because the moist and tacky glove picks up dirt and grime from your grips. Yes, they get dirty down in the bottom of your golf bag, and grips need to be cleaned regularly. The best way to do that is with a soft bristle brush and a dry, mildly abrasive cleanser like Ajax, Comet, etc. It’s a good way to invest about a half hour in your equipment on a regular basis.

Just rinse each grip with warm water, sprinkle the cleaner on it, and brush away. The white foam will quickly darken as dirt is removed from the grip and then you can just rinse thoroughly. Be sure to rub the grip with your hands while rinsing so that you can feel when there is no more soap residue – you do NOT want to leave any soap on the grip. When you are finished, your grips will feel like new.

Another great reveal from your glove is the soundness of your left hand hold on the club. The vast majority of golfers wear out their gloves in the heel of the hand, many of you much more quickly than you should. That’s because almost all golfers allow the club to move in their left hand during the swing. There are two reasons for this movement, which, by the way, is a power killer and accuracy thief.

The first problem is that most golfers hold the club too much in their palm, so that the club is across this heel pad – rather than under it – from the start. That kind of hold on the club prevents you from having the left-hand control good golf requires. [NOTE: This is actually aggravated by the fact that the largest part of the golf club grip is being held by the shortest pinky finger. Why that has never changed is beyond me.]

If you will grip down on every club even an inch, you will find that it is easier to hold the club firmly in the fingers of the left hand, and that will improve your distance and performance dramatically. Don’t worry about “shortening” the golf club as you try this, but I knew a very good player once who purchased all his clubs an inch longer than standard, so that he could grip down on them by that same amount to get a better hold on the club . . . pretty smart idea, actually.

The other reason golfers wear out their gloves in the heel pad area is that they are allowing their wrists to “hinge” in the downswing, rather than rotate through impact. The angle between the golf club and your left forearm should remain relatively constant from address to top of backswing back to impact. Yes, there is a little hinging, but it must be minimized to allow a proper rotational release through the impact zone.

If you do that incorrectly, you will lose much of your stored-up power. But if you do it right, the golf swing becomes much more efficient . . . and your gloves last a lot longer.

Another wear pattern I see often is a wearing of the glove at the first segment of the forefinger. This also indicates “looseness” at the top, which allows the club to “hinge” at that point. Again, a firm hold with the left hand throughout the swing is paramount to repeated solid contact.

So, take a close look at your gloves and see what you can learn. My bet is that it will be a bit eye-opening for you.

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