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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

Golf 101: 5 Tips to building your golf bag with CH3 (+ Charles Howell III WITB)

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I think at this point it’s safe to say that Charles Howell III is the adopted son and patron saint of WRX.

Not only is he a member of the site and visits regularly, but he’s also an avid club nerd and tester. I’ve become friends with CH3 over the past couple of years and have had some fun gear geek sessions with him. Want to know the coolest thing of all? He’s still as passionate and curious about gear as we are and not just Titleist (who he is on staff with) he’s curious about it all.

So who better to ask about how to build a great golf bag than with a man who knows it, does, and plays for his livelihood week in and week out?

These are 5 Charles Howell III golden nuggets that any golfer can learn from—and oh yeah, his take on the future is spot on.

Rule #1: Stability over speed no matter what

“Even for the guys on tour, stabilizing the clubface is paramount to good driving. One of the reasons I love testing shafts so often is to see if there is that magic combo of speed and control. However, the stability of the clubhead and shaft have to be there—I could find a combo that’s 20 yards longer, but if it’s something I can’t control, it doesn’t have a place in my bag. Extra yardage is fun until it isn’t.”

Rule #2: Find wedges that can do it all

“I chose the Vokey SM8 M Grind in the 56 and 60, because as the grind spectrum goes, they fall dead in the middle for me but everyone is different. I discovered that finding a middle ground grind wise solves the “different wedges for different grass problems” some players find themselves in. Even at Augusta, there was more Bermuda sticking out than normal which made shots from behind 15 different for example a little trickier. Not only are you chipping back towards a downslope with water behind, but it’s also now into the grain. Knowing I had wedges to combat either scenario made it that much easier. As a player, you have to put all the grinds through the paces and see what one checks off the most boxes. It might be something you never considered.”

Rule #3 Forgiveness looks different for every player

“Iron set makeups have changed so much in recent years. Pay attention to the soles when choosing your irons, even in the longer irons. It would be easy to think that bigger heads wider soles would be a no-brainer to hit, but to be honest, it’s not that simple. Sometimes finding a sole that will help the club get in and out of the ground easily will get you that center contact you were looking for. Although guys on tour may choose beefier long irons, it’s pretty rare to find one with a really wide sole. Soles that large encourage a player to try and sweep it off the turf which is counter-intuitive with an iron in your hand. When getting fit, pay attention to attack angles and center contact with your longer clubs; you may find that thinner soles help you more than anything else.”

Rule #4 Enjoy the process of learning and testing

“Obviously playing for a living gives me the advantage of testing a ton of stuff, but it’s just as fun doing the research at home (online) and understanding what certain equipment can do and the idea behind it. I still rely on testing as much as I can to see what works but it’s the pursuit of knowledge that keeps it all fresh week in and week out. Technology is so good these days but like anything you have to ask questions, look around try some stuff and then make a decision. Remember it’s your golf bag, take some pride in demanding that every inch of it works for you.

Eyes on the future…

“I think as we go down this Bryson/distance chase, the ultimate result on tour will be a lot of two driver bags. Look at it this way, having a 47-inch driver for long bombs, and a 44.5 inch for tighter drives, and a 4-wood isn’t all that hard to imagine. Players can tweak lofts in the irons and wedges easily to adjust to gapping. It’s not rocket science, and I don’t think we are that far from seeing multiple players on tour doing it that way.”

Charles Howell III WITB

Driver: Titleist TSI3 (10.5 degrees, A1 SureFit setting)

Shaft: Graphite Design Tour AD XC 6 TX

3-wood: Ping G425 LST (14.5 degrees)

Shaft: Fujikura Atmos Black Tour Spec 8 X

7-wood: Ping G425 Max (20.5 degrees @20)

Shaft: Fujikura Atmos Black Tour Spec 9 X

Irons: Titleist T100 (4-6) 620 MB (7-9)

Shafts: Project X LZ 6.5 (hard stepped)

Wedges: Titleist Vokey Design SM8 (48-10F @47, 52-12F, 56-08M, 60-08M)

Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Scotty Cameron 009M

Ball: Titleist Pro V1

Grips: Golf Pride Tour Velvet Align

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GolfWRX Classifieds (12/3/20): Mavrik SubZero, rare Scotty Cameron, Wilson Staff

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At GolfWRX, we love golf equipment plain and simple

We are a community of like-minded individuals that all experience and express our enjoyment for 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 – the equipment itself.

One of the best ways to enjoy equipment is to experiment and whether you are looking to buy-sell-or trade (as the name suggests) you can find almost anything in the GolfWRX BST Forum. From one-off custom Scotty Cameron Circle T putters, to iron sets, wedges, and barely hit drivers, you can find it all in our constantly updated marketplace.

These are some of the latest cool finds 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

Member CLRMTgolfer – Wilson Staff forged combo set

This is one extremely nice custom combo set of irons from Wilson golf – from blades, all the way to the Staff utility, this set has everything you need for shotmaking.

To see the full listing and additional pictures check out the link here: Wilson staff iron set

Member EHSgolf1 – Callaway Mavrik SubZero driver

Your chance to get an almost new Callaway Mavrik SubZero for less than new price!

To see the full listing and additional pictures check out the link here: Callaway SubZero

Member Champ 2430 – Scotty Cameron Timeless longneck prototype

As they say “if you know you know” and this rare Scotty Cameron Prototype longneck is a thing of beauty – the only thing is I really hope you have a big golfing budget.

To see the full listing and additional pictures check out the link here: Rare longneck Cameron

Remember that you can always browse the GolfWRX Classifieds any time here in our forums: GolfWRX Classifieds

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Adidas X Vice Golf launch The Vice Golf Shoe by Adidas

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Adidas has teamed up with Vice Golf to launch the new Vice Golf Shoe inspired from off the course which includes a dozen Vice Pro Drip Lime x Adidas golf balls.

The Vice Golf Shoe from Adidas contains ultraboost and a signature lime-green colorway to accent the designs for life both on and off the golf course. The shoe features a camouflage pattern in gray and white on the top of the shoe, while a brand-new drip pattern decorates the boost material at the bottom.

The shoe features branding “discoverables”, such as a subtle Vice logo on the tongue of the shoe while a collab logo is celebrated within. The company’s motto “Embrace Your Vice” runs down the spine of the heel, while another Vice logo lives underneath the 3-stripe caging on the inside of the foot.

If golfers want a brighter color pop, the alternate neon lime laces give that option.

“Based in Bavaria like Adidas, we have always looked up to this global ambassador and brand that has made big moves in both the golf and footwear in recent years. It is a great honor to finally present the result of 22 months of work with tears of happiness when the final pair of shoes arrived” – Vice Golf founder and CEO Ingo Duellmann

In addition to the shoe, the packaging of the Vice Golf Shoe by Adidas is made to look, feel and act exactly like their signature golf ball packages. 

The bottom of the box is wrapped in a neon lime camouflage pattern, and the top cover features the exact, embossed Vice logo colored in neon lime drip pattern as seen and felt on the brand’s golf ball packaging. The connection continues after lifting the lid and discovering an actual box of Vice Pro Drip Lime golf balls, with Adidas logos, sitting in its own compartment.

The Vice Golf Shoe from Adidas (plus one dozen Vice Pro Drip Lime X Adidas golf balls) costs $219.95 and is available to purchase from December 7, 2020, 11 AM EST at ViceGolf.com.

 

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