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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

All-new Srixon Q-Star: Spin where you want it!

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If there is anything I have learned in the past year about golf balls, it’s that they are packed with more technology and chemical compounds than most people can comprehend. A lot of premium boundary-pushing technology is found in, as the name states, the premium ball category, BUT Srixon is bringing the same tech found is the Z-Star line to the masses with the fifth-generation Q-Star, priced at $26.99 a dozen.

So, what am I talking about when I say chemistry? How about Spin Skin with Slide-Ring Material (SeRM for Short). SeRM is a urethane coating with flexible molecular bonds (how many times do you think about molecular bonds when talking golf ball?). This flexible coating digs deep into grooves for more control and more stopping power.

When we say “control” we mean friction. Friction is extremely important in golf is because the more you can create with your scoring clubs, the more control you are going to have around the greens. Where does all this chemistry come from, you might ask? In case you didn’t already, know Srixon is owned by Sumitomo Rubber Industries — a world leader in rubber technology including tires. Hmm…I think if a company can find ways to increase friction on a tire on a car going 100+ MPH, there must be some type of parallel there…

When you consider that most average golfers miss a LOT of greens, and often times in the wrong places, having a ball that offers a bit more control than the standard two-piece ball means you can (hopefully) stop it closer to the hole. And if I’ve said it once, I’ve said it 1,000 times: The closer you golf ball end up to the intended target, the lower your scores are going to be.

Another way of getting the ball closer to the hole is distance, and the Q-Star isn’t lacking in that department either. By utilizing Fast Layer Core Technology, meaning the core is softer in the middle than around the outer layer [think of it like a symmetrical round muffin top (drool…mmm…muffins)], they can create a ball that is lower compression, feels great, and spins less off the driver without sacrificing the oh-so-important distance. Don’t forget that less spin off the driver ALSO means less axis tilt (often wrongly communicated as “side spin”) creating shots missed left and right.

All off this technology wrapped up in 338 dimples, available in both white and yellow.

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Equipment

Forum Thread of the Day: “What has made it into your bag so far in 2019?”

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Today’s Forum Thread of the Day discusses new equipment that has made it into the bags of our members so far in 2019. From new club additions to shaft changes, our members share the tweaks they have made so far this year and divulge what has been successful as well as what has failed to work for them.

Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.

  • Jackal66: “Went from 816 DBD Alpha driver to M3. Changed Odyssey Fang putter to Scotty Cameron Newport putter. Bought a 56° wedge and it is competing with my 53° Diadic.”
  • ObiwanForAll: “Gone all in with TaylorMade clubs and UST shafts.”
  • macedan: “Successes- Ping G400 9*, thought the smaller head size may hamper my confidence, but It has performed beautifully. Mizuno ST180 16*, No words, performs as needed and looks absolutely sharp. Middle of the road- Ping G Crossover 21*, unfortunately, I fell into a swing slump across the bag not long after buying it. When my swing is on, it is one of my absolute favorites in the bag. My biggest complaint is just the appearance of the massive amount of offset.”
  • pollock21: “Been quite a year…TS3 knocked out my trusty G400 LST which was quite a feat. Now shafted with 130 Rogue Silver. I500 w/LZ 7.0 125’s experiment is on the way out. They’ve been excellent irons for me, but I just hit them obnoxiously long. Currently looking for my next set. Also dabbling with a hi-toe 60 to replace my trusty 60* Glide 2.0 stealth. So far, I’m loving it. Last change was putting in the copper spider x which knocked out my ketcsh and scotty newport 2.0.  Failed experiment so far with the flash sz fairway. Putting the trusty 16M2 back in the bag. Definitely moving on from the flash, I’m just not as consistent with it.”
  • shanx: “Took a lesson late spring and my ballstriking has improved. I ditched the Callaway X20 Pros, Cally X Forged ’07s, added Mizzy MP15s with C Taper Lites. Not sure if those shafts will work for me in the long run, but I am going to play them for a bit as I am still working on swing changes from the lesson. Rotating three drivers (2 Titleists and a Callaway Epic), thinking about going to get fit for my driver soon.”

Entire Thread: “What has made it into your bag so far in 2019?” 

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Whats in the Bag

Chez Reavie’s winning WITB: 2019 Travelers Championship

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Driver: TaylorMade M2 2017 (9.5 degrees)
Shaft: Aldila Rogue Silver 60 TX

3-wood: TaylorMade M5 (15 degrees)
Shaft: Aldila Rogue White 130 

5-wood: TaylorMade M5 (19 degrees)
Shaft: Aldila Rogue White 130 

Irons: TaylorMade P-790 (4-iron), TaylorMade P-750 (5-PW)
Shafts: KBS C-Taper Tour 120

Wedges: Titleist Vokey SM7 (50-08F, 54-08 M, 58-08 M)
Shafts: KBS C-Taper (50), KBS Hi-Rev 2.0 (54, 58)

Putter: Odyssey Works No. 7

Ball: Titleist Pro V1

Grips: Golf Pride Z Grip cord

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