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TaylorMade’s new M3 and M4 irons, with “RibCOR” technology

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With its new M3 and M4 irons, TaylorMade has introduced a “RibCOR” technology that’s designed to produce more speed on mishits. Before we get into what exactly that design is, let’s see why this concept is important.

COR, or coefficient of restitution, is the measure of energy transfer between two objects. For golf club manufacturers, especially when making game-improvement irons, the goal is to get COR as high as possible; this means ensuring as much energy gets transferred from the club face to the golf ball as possible during impact. Of course, the USGA sets a limit on COR of golf clubs so they can only go so far.

Many companies these days have figured out how to maximize COR on the center of the club face. Now, the game for engineers across the industry has become “how high can we make COR on shots hit off-center.” The goal obviously being to produce as much speed on off-center hits as possible, or, minimizing energy loss at impact.

TaylorMade, for its new M3 and M4 irons, has introduced RibCOR technology that uses two ribs, or beams, on the outer portions of the heel and toe as pictured below.

This provides internal support on the outer portions of the club so that the face can flex as much as possible at impact, thus retaining energy transfer from the club the golf ball. So while the center of the face may not produce more speed compared to its M1 and M2 predecessors, this design should impart more ball speed across the face. That means more forgiveness, or MOI (moment of inertia).

The RibCOR design couples with a number of familiar technologies from the company’s past including inverted cone technology, speed pockets and face slots. These are all designed for to produce higher ball speeds and more forgiveness, helping golfers who don’t hit the center of the face every time to launch the ball high and far.

As with the M1 and M2 irons they replace, the lower-numbered M3 iron has a more compact look and is designed for slightly better players, whereas the higher-numbered M4 iron is built for more distance and forgiveness, and has a larger head profile.

For more photos and discussion click here, or read below for more info on each of the offerings. Both the M3 and M4 irons will be available at retail on February 16.

Taylormade M4 irons

As the more forgiving of the two M-family offerings, TaylorMade’s M4 irons have fluted hosels, 1mm toplines, and what TaylorMade calls its “thinnest ever leading edge.” Also, along with the RibCOR technology that’s in both the M3 and M4 irons, additional mass has been placed on the toe and heel portions of the M4 irons to produce great forgiveness on off-center hits.

Overall, the M4 club heads have 24 percent higher MOI than the M2 2017 heads, according to TaylorMade, so golfers will find them to be more forgiving than their predecessors.

The M4 irons (4-LW) will come stock with either KBS Max 85 steel shafts (R and S flex), Fujikura Atmos shafts (5A, 6R, 7S), or additional custom shafts, with TM Dual Feel grips. Steel will sell for $899 per set, while graphite will sell for $999.

Taylormade M3 irons

The TaylorMade M3 irons, while housing some of the same technologies as the M4 irons, are made for those players who want a more compact shape and are looking for more trajectory control. To help achieve this look without sacrificing much by way of forgiveness, TaylorMade ha added a 15-gram tungsten weight to the soles of the M3 irons; this lowers CG in the head.

The irons have a 180-degree fluted hosel — that means it’s not as visible at address compared to the 360-degree fluted hosel in the M4 irons — to help move weight away from the heel. The irons have a thinner topline than the M1 irons they replace, according to TaylorMade, and have soles designed with more bounce for better turf interaction.

M3 sets (3-SW) come stock with either True Temper XP100 steel shafts (R300, S300), Mitsubishi’s Tensei graphite shafts (70R or 80S), or additional custom shafts, and with Lamkin UTx NC grips. M3 irons will sell for $999 with steel shafts or $1199 with graphite.

Click here for more photos and discussion on the M3 and M4 irons

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He played on the Hawaii Pacific University Men's Golf team and earned a Masters degree in Communications. He also played college golf at Rutgers University, where he graduated with a Bachelor of Arts in Journalism.

5 Comments

5 Comments

  1. S

    Jan 9, 2018 at 12:26 pm

    I can see why pros are leaving TM…

    • ran

      Jan 30, 2018 at 10:11 am

      Wonder if the M3 and M4 have the same face caving issue that the M1/M2 irons have…..many people reporting face cave on irons….TM just replaces them with same iroins that eventually cave again.

  2. Tom Newsted

    Jan 3, 2018 at 10:52 am

    RIBCORE they stole that from their time with Addidas. That has been on a hockey stick for years. its a gimmick.

  3. mel

    Jan 2, 2018 at 8:32 pm

    TM M3 and M4 state-of-the-art iron designs look like winners to me, and leaving behind all those offering gel-filled hollow irons …. opps that means the P790 are obsolete now …lol … that was fast … lolol

  4. George

    Jan 2, 2018 at 12:33 pm

    i need me some ribcor

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Equipment

GolfWRX Member Experience: TaylorMade Milled Grind 3 wedge fitting at The Kingdom

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We had four very lucky GolfWRXers who got to take a trip down to TaylorMade’s Kingdom at Reynolds Lake Oconee to get fit for the new Milled Grind 3 wedges (which arrival at retail today). And as if that weren’t enough, the fortunate forum members also got to take a trip to the Tour Championship at East Lake for a peek inside the TaylorMade truck and a look at Wade Liles’ beard in the flesh, or…hair.

While there are plenty more observations and a full gallery of photos in the forum thread, we wanted to highlight recaps from a couple of the four WRXers (@drvrwdge, @madeinguam81, @agadawg17171, @rebby).

@drvrwdge

So just to kind of reiterate what everybody else has already said, Greg was our fitter for the wedges. Greg chased the dream for seven or eight years and had his tour card at one point but his love and passion for club design ended up taking him down a different path. Greg has always been super passionate about the short game and wedges and played an integral part in the design of the MG3 wedge.

Greg gave a brief presentation in the morning about the design characteristics of the MG3 how it differed from the MG2 and why they did what they did design-wise with the new wedge. In short, the design is all about optimizing launch and spin conditions to make the wedges as accurate as possible. Movement of material and the shape to optimize feel and center of gravity location for the proper trajectory control. Center of gravity, which is progressive through the set, which is what a lot of people do placing it higher in higher lofted wedges to keep trajectory down and lower in the lower lifted wedges to keep it up. There is a new groove or face feature this year in addition to the raw face. They have actual raised ridges, where with the MG2 used laser etching on the face which they realized wore off faster than they wanted it to. With the raised ridges that is not an issue. This was primarily done for additional spin in that less than 60-yard range as opposed to more spin on full shots. There was also some slight changes made to the sole and grinds in the different bounce options to optimize turf conditions as well.

For me hands-down the club that absolutely stood out as head and shoulders above the rest and actually took me into a direction I never thought I would go was the 46° pitching wedge. I have never understood playing a non-set pitching wedge especially one that is not the same brand as your iron set but with the way Greg was able to explain the advantages of playing the non-set wedge, he was able to change my mindset to looking at the wedges as a set of clubs as well as looking as the irons as a set of clubs but having those be able to be two different sets really convinced me to go this route. And trust me when I say it’s probably the best-looking club I’ve ever seen. The lines, the shape, the size, the way the leading edge sits on the ground and the flow of the hosel into the top line it’s just absolutely perfect. And on top of all that it just flat outperforms.

I currently play SM8’s and Greg was able to get me into some different bounces than I normally have played which greatly improved my turf interaction on full and partial shots which in turn got me into my optimal launch and spin conditions. And they flat out just feel better than my Vokeys. I have never been able to do a wedge fitting on grass and I can honestly say if you are serious about your game, there’s absolutely no other way to do it. For me, that was the greatest thing about this trip, because I just don’t have anywhere near me that I could have done a wedge fitting on grass. And I had somebody with the knowledge to fit me properly.

…We hit shots from 70 yards with a 58/60 the full shots. We then went to the short game area for chips and pitches. Honestly the spin, launch and carry numbers didn’t different a huge amount from my current SM8 58M, Greg actually said my numbers were ideal and almost to the number the same as Collin’s (humble brag). What I did find was that they were more consistent getting away from the M grind. Turf interaction was much cleaner, and you could really feel the club enter and exit much quicker. And as I stated previously, the feel off of the face was much better. Softer and more solid.

Where I really think the raw face technology and the raised ridges shined was chips and pitches. Was easily able to hit the 20-yardd one-hop stop pitches with the MG3 where I wasn’t able to with the SM8. Keep in mind some of that may be related to the bounce as well. Cleaner turf interaction = cleaner contact = more spin.

@agadawg17171

I’m a 100 percent club ho and try just about every wedge that comes out. Over the years I’ve played them all. But I’m the end I go back to Vokey. They’re consistent and I like the more classic look. The MG3’s grabbed my eye as soon as I saw them on the forums for the first time. Then I got to see one in person at PGA SS and was even more intrigued. They just looked so good!!! The shapes were traditional with incredible lines. I knew right away I wanted to try them. I actually had a fitting scheduled until I got the email that I was selected for this experience.  Once I got the email, I knew I had to make it happen!

After hitting a few balls with my current gamers Greg put the MG3’s in my hand. These wedges are ??. My spin was up. The descent angle of the ball was better as well. The ball flight was great. But the thing that impressed me the most was the turf interaction. These wedges glide through the turf and do not dig! The CG and weighting has been moved up and out of the heel which makes them feel much more balanced and stable through the shot. The sound and feel are also much improved over the MG2.

I’ve always wanted a wedge with higher bounce that sits flat on ground at address. Greg and his team have made that happen without having to get a custom grind which is $$$ and tough to get your hands on. It allowed me to hit a bigger variety of shots, especially with my 54.

After running them through the gauntlet on the range, we went to the short game area. Things got even better down there! We took a few different bounce options and my gamers and dialed things in. The chip shots were drop-and-stop from a variety of conditions. Again the sole set perfectly behind the ball for my eyes and glided through the turf without digging. Even on mis-hits the ball was still close to the intended landing area. I was very impressed. At that point, I was pretty much sold but wanted to try it in the bunkers. Took the 60 into the bunkers and started with short shots to a tucked pin. I was able to get the ball up quick over about a 4-foot lip and onto the green. When the balls hit the green, they had a controlled spin and very little roll out past my target. After the bunker work, I knew I wanted them no matter the price!

The combo I went with is below.

  • 46 bent to 45 with steel fiber 110 CW
  • 50/8, 54/13, 60/12
  • Modus 125 Wedge
  • Went 1* Flat and 1/4” long. Can’t wait to get them in hand and will post more.

Check out the full thread here for more!

 

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Equipment

Coolest thing for sale in the GolfWRX Classifieds (09/3/21): Scotty Cameron TeI3 T22 Newport 2 putter

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At GolfWRX, we love golf, plain and simple.

We are a community of like-minded individuals that all experience and express our enjoyment of the game in many ways. It’s that sense of community that drives day-to-day interactions in the forums on topics that range from best driver to what marker you use to mark your ball. It even allows us to share another thing we all love – buy and selling equipment.

Currently, in our GolfWRX buy/sell/trade (BST) forum, there is a listing for a Scotty Cameron TeI3 T22 Newport 2 putter

From the seller (@Beege35): “Scotty Cameron TeI3 T22 Newport 2 — $1200. Brand new, never rolled a putt, tape still on face and sole. 34 inches.”

To check out the full listing in our BST forum, head through the link: Scotty Cameron TeI3 T22 Newport 2 putter

This is the most impressive current listing from the GolfWRX BST, and if you are curious about the rules to participate in the BST Forum you can check them out here: GolfWRX BST Rules

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Whats in the Bag

Photos from the 2021 Tour Championship

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GolfWRX is live on the ground at the Tour Championship at East Lake for the final event of the FedEx Cup Playoffs.

We braved the soggy early-week weather to gather four general galleries as well as shots of some cool new shaft offerings and some Odyssey/Toulon putters.

Check out all our photos below!

Tuesday

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Special galleries

See what GolfWRXers are saying and join the discussion in the forums!

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