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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

What GolfWRXers are saying about TaylorMade’s SIM fairway woods

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In our forums, WRXer Hotdocta created a thread to discuss the new SIM fairway woods and wants to hear from fellow members who have experienced them. Plenty of WRXers give their thoughts on the 2020 additions from TaylorMade, with the vast majority mightily impressed with what they have seen.

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.

  • DNice26: “I bought the 5 wood based on reports the Sim is silly long and low spin, and after my first round today, it absolutely delivered. The 5 wood isn’t too big, and I found it to flight excellently off the tee and off the fairway. It set me up today for birdies on all the par 5s. I have mine shafted with an 80X diamana blue, and it is fantastic.”
  • JoeFrigo: “The SIM is the hottest 3w I have ever hit. Had the m6 all last year and absolutely loved it. I said all last year it was the best fairway I’ve ever played….the SIM is even better. I love the profile at address, and there are times the SIM 3w gets within 1mph of my driver ball speed. I honestly went back to PGA store for playability and grabbed the 5w instead because the face is so hot. I had about 5 launch monitor sessions and 1 round on the course and was killing it, but gaps were way off now. Decided id wait and get more course time with it, but then the Coronavirus came.”
  • tyusg: “The SIM fairways are extremely hot off the face. Was hitting off the trackman at my work, and was reaching smash factors of 1.51 and 1.52. The shape of them do remind me of the M6, a little bigger, and a pretty deep face. But the V Steel tech they put back in I believe is why the smash was so high. Even on off center hits, the ball speed was pretty much all there still.”
  • Polly509109: “I have hit both SIM ti/ SIM Max. They were both very good. Tried all the Mavrik 3W offerings and SIM fit my swing better. Switched from TS3 fairway. Into the SIM ti with my old shaft from the Titleist. 82X Diamana Whiteboard. Don’t have any numbers for you, not really a launch monitor guy. But was getting 255-269 carry and 275-288 overall with the stock Diamana 75S shaft when I was fitted. 104-108 ss. Don’t know what kinda monitor.”

Entire Thread: “TaylorMade’s SIM fairway woods”

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Equipment

What GolfWRXers have bought since ‘lockdown’

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In our forums, our members have been discussing their golfing purchases since lockdown began in many areas of the world. WRXer ‘lvmike’ created the thread and has purchased a Ping putter as well as a TaylorMade driver and our members have been getting involved with plenty of WRXers investing in new equipment from clubs to hitting mats and beyond.

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.

  • JoeFrigo: “Other than a mat and net, unfortunately, I haven’t bought any clubs…courses are closed here so I can’t hit anything anyways. I’m now really looking into a personal launch monitor since ill have a month at least of no range time. But the temptation is strong for more clubs! particularly putters since I can do that in my basement green.”
  • manima1: “Purchased an EXPUTT putting simulator – perfect for lock-down. Review so far is this is an excellent tool in dialing in putting distances and developing a consistent stroke at a given distance – similar to how you can dial in irons and wedges on a typical full simulator.”
  • pmang: “In the past week I’ve bought a SIM Max, a TS2 and a hot melt gun. Come to think of it I bought a Garmin clip-on GPS/Rangefinder… oh, and some Adidas golf shoes…. and I’m sure there will be more.”
  • pgetzen: “Bought a Stitch SL1 bag and two Cleveland RTX4 wedges on the Walmart deal, as well as 3 knit headcovers.”
  • 1PuttTutt: “Full basement simulator setup, including hitting mat, screen/enclosure, mevo+ launch monitor, projector, gaming laptop, etc. Unfortunately only the hitting mat has arrived so far, but I was able to set up some blankets and padding so I can hit balls in the basement. I also bought four dozen balls and a pushcart. I was thinking the pushcart was a genius idea, being that courses would limit to one person per cart, and courses would run out. But then they shut courses down before I could use it.”
  • uglande: “Two Vokey SM8 wedges and a Scotty Special Select putter. I’m wearing out my basement carpet with all of this chipping and putting, so my short game should be good to go when we’re released again to the outdoors. I also bought some sweet Titleist black leather (noir) head covers.”
  • Kye123: “Me, my dad and my little bro bought a Swingcaddie S300 and an industrial net from a fishing company… was going great until my little bro sailed a 60 straight into the conservatory two houses down, wedges are now banned.”

Entire Thread: “What have you purchased since ‘lockdown’?

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Whats in the Bag

Tiger Woods WITB for each Masters win

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At its core, Tiger Woods’ equipment hasn’t changed by much over the better part of the last two decades. However, the 15-time major champion’s equipment is constantly evolving, and there is no better tournament to witness that evolution than to take a peek into the gear he used to win all five of his Masters Tournaments.

A couple of major notes to consider: Tiger used a steel-shafted driver playing less than 45 inches all the way up until the 2004 season when he finally made the move from his trusted Titleist 975D long after the rest of the PGA Tour had swapped into newer technology. It was still another two years before Tiger made the move to a 460cc driver head in the pursuit of greater ball speed and forgiveness.

Tiger also held onto his 2-iron for a long time, and up until a few years ago would rotate it in and out of the bag with a 5-wood. 2019 was the first major tournament Tiger won using a 5-wood instead of his trusted 2-iron.

Tiger Woods Masters WITB: 1997-2019

Tiger Woods WITB 1997 Masters

Winning Score: -18…bested his next closest competitor Tom Kite by 12 shots!

5101543P BAY HILLS INVIT''L

Driver: King Cobra Deep Face (9 degrees)
Shaft: True Temper Dynamic Gold X100

3-wood: Titleist PT (15 degrees)
Shaft: True Temper Dynamic Gold X100

Irons: Mizuno MP-29 (2-4) and MP-14 (5-PW)
Shafts: True Temper Dynamic Gold X100

Wedges: Cleveland 588 RTG (Raw Tour Grind) (56, 60 degrees)
Shafts: True Temper Dynamic Gold X100

Putter: Scotty Cameron Newport TeI3

Ball: Titleist Professional 90

Tiger Woods WITB 2001 Masters

Winning Score: -16, beat David Duval by 2 shots and Phil Mickelson by 3.

Driver: Titleist 975D (7.5 degrees)
Shaft: True Temper Dynamic Gold X100

3-wood: 
Titleist 970 (15 degrees)
Shafts: True Temper Dynamic Gold X100

Irons: 
Titleist 681 Forged (2-PW)
Shafts: True Temper Dynamic Gold X100

Wedges: 
Titleist Vokey Design 200 Series (58 bent to 56 degrees, 6o degrees)
Shafts: True Temper Dynamic Gold S400

Putter: 
Scotty Cameron Newport 2 GSS

Ball: 
Nike Tour Accuracy TW

6502203P THE MASTERS X

Tiger Woods WITB 2002 Masters

Winning Score: -12, was 3 shots better than Retief Goosen and 4 better than Phil Mickelson

Driver: Nike Forged Titanium (8.5 degrees)
Shaft: True Temper Dynamic Gold X100

3-wood: Titleist 970 (15 degrees)
Shaft: True Temper Dynamic Gold X100

Irons: Titleist 681 Forged Prototype (2-PW)
Shafts: True Temper Dynamic Gold X100

Wedges: Titleist Vokey Design 200 Series (58 bent to 56 degrees, 6o degree)
Shafts: True Temper Dynamic Gold S400

Putter:
 Scotty Cameron Newport 2 GSS

Ball:
 Nike Tour Accuracy TW

1805138SH010_Amex_Champs

Tiger Woods WITB 2005 Masters

Winning Score: Tiger beat Chris DiMarco in a playoff after they both tied at -12. The next closest golfers were Luke Donald and Retief Goosen at -5.

Driver: Nike Ignite 460cc (8.5 degrees)
Shafts: Mitsubishi Diamana 83 TX

3-wood: Nike T60 Ignite (15 degrees )
Shaft: Mitsubishi Diamana Blue 103 TX

Irons: Nike Forged Blades (2-PW)
Shafts: True Temper Dynamic Gold Tour Issue X100

Wedges: Nike Pro Combo (56 degrees), Nike Blade TW (60 degrees)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Scotty Cameron Newport 2 GSS

Ball: Nike One Platinum TW

Tiger Woods WITB 2019 Masters

Winning Score: -13, was one shot better than Brooks Koepka, Dustin Johnson, and Xander Schauffele.

Driver: TaylorMade M5 (9 degrees)
Shaft: Mitsubishi Diamana D+ White 60 TX

3-wood: TaylorMade M5 (13 degrees)
Shaft: Mitsubishi Diamana D+ White 70 TX

5-wood: TaylorMade M3 (19 degrees)
Shaft: Mitsubishi Diamana D+ White 80 TX

Irons: TaylorMade P-7TW irons (3-PW)
Shafts: True Temper Dynamic Gold Tour Issue X100

Wedges: TaylorMade Milled Grind Raw (56 and 60 degrees)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Scotty Cameron Newport 2 GSS

Golf Ball: Bridgestone TourB XS

Grips: Golf Pride Tour Velvet Cord

 

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