Following up on its previous King F7 golf clubs, Cobra is back with its full line of King F8 drivers, hybrids and irons, and you’ll notice a slew of differences from its predecessors. Cobra has thrown the proverbial kitchen sink at the new F8 golf clubs based on about 2.5 years of R&D, according to the company, and many of the new technologies are quite visible. It’s also the first line of “smart” golf clubs, which you’ll learn more about below.
Here are 10 things you need to about Cobra’s new F8 golf clubs, and don’t forget to join the discussion and see more photos of the product!
1) CNC-Milled Faces
Unlike just about every other driver face on the market, Cobra’s new F8 and F8+ drivers have multi-directional CNC-milled faces. The process, which takes roughly 25 minutes per head according to Cobra, allows the faces to be produced thinner to increase ball speeds, and it saves weight to be used elsewhere in the heads (mostly low and rearward to increase forgiveness).
The surface roughness that the milling produces increases friction, which actually lowers spin on drivers. Additionally, milling the faces tightens the tolerances, leading to more consistency and overall ball speed — since there’s a tighter tolerance, Cobra can get consistently closer to the USGA’s CT limit (a measure of spring-like effect).
While we’ve seen “speed trips” on the crowns of other drivers on the market to increase their aerodynamic quality, Cobra was able to add trips without adding much weight to the crown’s structure. That’s because Cobra is using polymer decal tape to trip-up airflow around the crown during the swing. The polymer trips, along with a re-designed, streamlined shape — Cobra calls this “360 Aero” — the company has reduced overall drag by 17 percent compared to the F7 drivers. According to Cobra, this leads to 1.1 mph more ball speed, and 4 yards in total distance.
3) Weight a second
Rather than three weight ports in the soles of the drivers, as we saw in the F7 and F7+ drivers, Cobra has switched to two weight ports in the F8 (draw and neutral) and F8+ (forward and rearward) drivers. According to the company, fewer weight ports in the head allowed engineers to drop overall CG (center of gravity) in the head, thus making them more forgiving, while not giving up the ability for golfers to adjust CG to their swing needs.
4) All of the F8 clubs are “Smart”
Cobra launched its Connect system, in connection with Arccos Golf, in the F7 drivers. That means Arccos tracking system was embedded in the grips of the drivers, which uses vibrations to return club analytics.
Now, Cobra Connect will be available in every club throughout the F8 line. When you purchase a set of King F8 or King F8 ONE iron sets, you will also receive a full set of Arccos 360 sensors for FREE; Cobra says this is a $249 value. With the new Cobra Connect system in every head throughout the set, golfers will receive stroked-gained stats and other helpful data in the app.
Side note: you will still need to play golf with your smartphone in your pocket for the system to work.
5) Doubling down on the rails
Cobra’s Baffler technology isn’t new, as it’s been featured in the last few iterations of fairway woods from the company, it has brought the rails closer together and made them taller. The technology works similarly to bounce on wedges, and helps the club glide through the turf, preventing digging and allowing for a more aggressive pass at the golf ball.
The new F8 and F8+ fairway woods have been given a sleeker head shape based on feedback from player testing. There is also Carbon fiber in the crowns to drop weight in the club head to make them more forgiving.
6) Carbon Fiber in the irons
Cobra’s new F8 irons, as with the F8 fairway woods, have also been given a carbon fiber addition. In the irons, there’s a new Carbon fiber medallion in the rear cavities — the design will work to provide a softer, lighter feel. Like irons in the company’s past, the F8 irons also have progressive TecFlo designs and spin technology throughout the sets; this means the long irons will fly higher and with less spin for more distance, while the shorter irons will fly lower and with more spin for greater control. The F8 irons utilize the familiar “PWRSHELL” technology that keeps CG low to boost forgiveness and speed.
7) One-length irons and… hybrids?
The one-length iron sets have been given a few tweaks. Most notably, Cobra has adjusted lie angles throughout the set to make long irons fly a bit higher and short irons a bit lower. Also, the longer irons have been given a wider sole, especially when compared to their variable-length F8 counterparts. The F8 ONE sets will also utilize carbon fiber for a better feel.
New in this year’s F8 ONE set is the addition of a hybrid — it also utilizes Baffler Technology. Along with bringing the long-game benefits of a hybrid into the one-length concept, a Cobra representative also notes that it will be utilized by many as an option around the greens due to its shortened length.
The “nardo” gray color (pictured on the right), which is an option in the metalwoods aside from black, is undeniably popular right now throughout the sporting world and beyond. You may have noticed Oklahoma State and Ohio State’s college football teams using the color recently for their alternate jerseys, and several automobile manufacturers utilizing nardo in their color schemes. It’s the hottest color in sports right now, so why not bring it into the world of golf?
9) For the kids
Cobra is offering F8 Junior heads that are “real deal drivers,” in 39 (7-9 year olds), 41 (10-12 year olds) and 43-inch (13-15 year olds) length options. The best thing is that if you register the club through Cobra, the company will upgrade the driver with the longer shaft option for free as he/she gets older.
10) Specs, pricing and more
Note: All drivers, fairway woods and hybrids will hit stores on January 12, while all irons will hit stores February 2.
King F8 and F8+ Drivers ($399)
- The F8 drivers (9-12 degrees) come with stock MRC Tensei CK Blue 50, Aldila NV 2KXV Blue 60, or Aldila NV 2KXV Green 65 shafts with Lamkin REL Cobra Connect grips.
- The F8+drivers (8-11 degrees) come with stock Aldila NV 2KXV Blue 60, Aldila NV 2KXV Green 65 or Project X HZRDUS Yellow 75 shafts and Lamkin Crossline 360 Cobra Connect grips.
King F8 fairways ($249)
- Head options: 3-4: (13-16 degrees), 5-6: (17-20 degrees), 7-8: (21-24 degrees)
- Grip: Lamkin REL 360 Cobra Connect
- Stock shaft: Aldila NV 2KXV Blue 70
King F8+ Fairways ($249)
- Head options: 3-4: (12-15 degrees), 5-6: (16-19 degrees)
- Grip: Lamkin Crosline 360 Cobra Connect
- Stock Shaft: Aldila NV 2KXV Green 75
King F8 hybrids ($199)
- Head options: 2H (17 degrees), 3H (19 degrees), 4H (22 degrees) and 5H (25 degrees)
- Stock Shaft: Aldila Rogue Pro 75
- Grip: Lamkin REL 360 Cobra Connect
King F8 ONE hybrids ($199)
- Head options: 3H (19 degrees), 4H (22 degrees) and 5H (25 degrees)
- Grip: Lamkin REL 360 Cobra Connect
- Stock Shaft: Aldila Rogue Pro One Length
King F8 Variable length steel ($799 steel, $899 graphite)
Steel irons (5-PW, GW) come with True Temper XP 90 shafts and Lamkin REL 360 Cobra Connect shafts, while graphite (5H, 6-PW, GW) come with Aldila Rogue Pro 65 shafts with Lamkin REL Cobra Connect grips.
King F8 ONE ($799 steel, $899 graphite)
One-length iron sets (5-PW, GW) come with either Aldila One Rogue 65 shafts or True Temper One Flighted shafts and Lamkin Crossline 360 Cobra Connect grips.
Mizuno T20 wedges: Let’s get spinning
We’re always trying to reduce it with our driver and increase it with our wedges for maximum control, but with the rules of golf being so strict, how do actually achieve a performance gain? Simple engineering…
This is the Mizuno T20 wedge.
It’s been a few years since we have seen a T (teardrop) wedge from our friends at Mizuno, and there is good reason.
Let’ get into a quick history lesson: before the JPX900 series was introduced, Mizuno had quietly been realigning the product cycles of the MP and JPX lines. You might remember back a few years ago now before the MP18s hit the scene that there was a bit of a lull in the MP line—so much, in fact, there was even a thread here on GolfWRX asking “Is Mizuno not making MP irons anymore?”
It was a naturally curious question to a company that always had very standardized release cycles, but it was a long-term play that has paid off tremendously. We now get “T” wedges with MP irons (MP20s to be exact), and we should (from everything I know) continue to see “S” Silhouette (more rounded profile) wedges with future JPX lines.
Before we get to what’s new, how about we first talk about what will be staying the same
- Grain Flow Forged HD – like all new Mizuno irons, the T20s are made using the same forging process to increase the density of the material in the clubhead for an improved solid feel.
- Boron – this little element when added to the 1025e mild carbon steel used in the wedges (we’re talking trace amounts equating to 3ppm – parts per million) increases the strength of the material by 30 percent—how crazy is that for chemistry? This improves groove life and has ZERO effect on club feel.
- Variable Width & Depth Quad Cut Grooves – Like previous T and S wedges, the T20s will have quad cut grooves that will vary in shape based on the loft of the club. Lower lofted wedges are more narrow and deeper, while higher lofted wedges are wider and more shallow since impact happens at lower speeds this increases spin consistency.
- Same beautiful Teardrop profile from address
So what’s new?
Flow. Just like the MP20s, engineers are bringing more a more extreme CG (center of gravity) shifting philosophy, or as Mizuno explains it, increased vertical moment of inertia to the wedges. As much as you (well maybe not “you,” depending on who you are) might think “a wedge is just a wedge” and loft is the only deciding factor for spin, you couldn’t be further from the truth. By relocating the CG throughout the set and changing the sweet spot height, engineers can further alter the launch and spin precisely for each loft.
It’s about gear effect—the higher you hit above the CG the less spin the ball with have, and the closer to or lower you make impact compared to the CG the more spin you will create. Either way these are wedges, so a 50 degree, for example, is still going to spin, but it is now more controllable (think less likely to ballon or get too high on full shots). On the other side of the equation, a 60-degree wedge will allow for even MORE trajectory and spin control for the low flying quick checkers with zip.
Now about that spin.
By the Rules of Golf, you can’t make grooves sharper, you can’t increase their volume, and you can only have so much surface roughness (sorry but that old Spin Doctor wedge is HIGHLY NON-conforming). So what do you do? You change the way you think about that surface roughness…
Hydroflow Micro Grooves
Instead of traditional laser etching parallel to the grooves, Mizuno engineers took a concept from the high-performance tire world and went perpendicular to the grooves and parallel to the direction the ball moves up the face to channel moisture away. This directional tread has proven to increase spin on shots especially in conditions with moisture up to 1,200 RPM (on a 60-yard shot), that’s a very tangible number. It’s not just about spin either: the more the friction that can be created also means more control on launch angle and less of a “floating” ball flight. That’s how those low zippers keep zippin’!
Don’t think for a second that Mizuno just changed the etching and was done with it. The process went through multiple iterations to figure out how they could improve its life (beyond the boron) and the solution was to etch before the chroming process to elongate the lifespan. The other groovy take for the T20s is the actual reconfiguration of the grooves. To get the bottom groove closer to the leading edge without having it disorient the overall look of the club and making it appear that the heel or toe is thinner on one side. The lowest groove has been shortened and centered.
All of these refinements; CG, micro-grooves, and reconfigured scoring lines add up to one thing: more control and improved shotmaking with your wedges.
Finishes, specs, and grinds
The wishes of many have been answered when it comes to the T20s, there will be a RAW finish (happy dance time) along with traditional chrome and the signature blue ion. Leftys will only be able to get chrome, but all the same options will be available as far as lofts and grinds.
Coming in lofts from 46-60 degrees, the grind options progress depending on the loft and bounce. Going from full-soled in the lower lofts to more aggressive back edge, and heel-toe relief in the 60 degree. These sole shapes came directly from Mizuno’s craftsman that worked with players and prototypes to determine exactly how the bounce and sole shapes should work in harmony.
All of this has come together to create Mizuno’s finest wedge to date.
Mizuno MP-20: Layers of feel
It is part of the golf vernacular. It’s ingrained in golf (nerd) culture—it’s a real thing.
But where does it comes from, how did it get here, and what is it really?
I’m here to give you some answers and introduce you to MP-20 family of irons from Mizuno.
Born from tradition, and the idea of creating the ultimate set of irons for every player, the MP-20 family is the next series of MP irons that will connect golfers to the “Mizuno Feel.” Speaking to tradition, and something I touched on when these were originally teased on social channels with #LayersOfFeel, Mizuno is going back in time to the TN-87s and reintroducing a copper underlay to their irons—all of them! (Before someone tries to correct me: yes, I realize that they have done this for more recent Japan market models )
What does this copper layer mean? Here’s the funny thing, even Mizuno has had a hard time trying to quantify it. Through multiple rounds of extensive blind prototype testing with all of their staff players, the irons with a copper underlay won on feel EVERY SINGLE TIME! How’s that for dominance?
But why? They are truly still trying to 100 percent figure that out. Mizuno has used its HIT (Harmonic Impact Technology), metallurgy analysis, and every test it can to try and figure out why. Engineers even went as far as trying to prove the hypothesis the copper underlay “feel” was based on nostalgia but time and time again Cu won in blind testing. At the end day, the human element was still the deciding factor because humans are the ones that ultimately hit shots.
This brings us to the flagship MP-20 (Blade) (The Ultimate Tour Blade as described by Mizuno’s Product Manager & Engineer Chris Voshall). Evolving from the tradition built into the MP-18, and taking design cues from historic models like the TN 87 and MP14, the MP20s provide more flow throughout the set from top to bottom leading to even more control over ball flight. This flow also increases forgiveness (please remember it’s still a blade) and launch in the longer irons, with an increased ability to flight the ball in the scoring clubs… all of this AND a thinner top line.
Now about that top line: it’s an extremely important part of the look of the club but, what many don’t realize is it also plays a big role in feel and acoustics too. Let’s simplify for a moment: think of a clubhead like hunk of metal—a cube—now when you hit that thick piece of metal on something it doesn’t reverberate much and when it does, it’s at a different frequency making it sound heavy and “thuddy,” or as some would say, SOLID.
Now imagine if that same piece of metal, same mass was stretched out like a saw blade. Have you ever hit something with the side of a large saw blade? It’s wobbly, loud, and generally unpleasant, that’s what happens when an unsupported part of a club gets too thin, it acts like an amplifier of bad sound, creating terrible feel. By blending a small channel (think MP5) with the classic looks of yesteryear you get a club that feels and performs like no Mizuno before it, and as I said, with a thinner look from address.
What’s all this talk of “Flow”?
Center of gravity and mass placement (or as a Mizuno Engineer explained to me “Vertical Moment of Inertia”). Since each club is designed individually, you need the center of gravity to shift throughout the set to help control launch/trajectory (or “traj” as the kids say), and make sure spin is also at an optimal level.
For the MP-20, it means long irons that are “easier” to hit (air quotes, because like I said before, it’s still a blade), and short irons that can be more easily flighted lower with greater spin and control. Just like with the MP-18s, Mizuno is keeping with the continuous reduced blade length into the short irons for a look preferred by better players and for improved grass and turf interaction.
But What About the Rest?
You might have noticed off the top I called it the “MP-20 Family.” Here’s why: In golf, like with any other industry, data is important. But it’s only as good as you use it and well…let’s just say Mizuno has been paying close attention to how golfers and fitters have been making combo sets over the last few years. It’s all about understanding what golfers really need and thanks to some proprietary data they went even deeper when it comes to designing each and every iron in this family to make sure its performance is maximized. This is why I continue to emphasize how each set has a flow, it to make sure each club in your bag is just right for you. Now to introduce you to the rest of the family members…
Mizuno MP20 MMC (Multi-Material Construction)
I know, you think you’ve heard this story before but…NOT LIKE THIS!
The new MP-20 MMC is a BIG shift in design, not just because of the Cu underlay, but a radical change in how the whole part is put together. I know it sounds very “big biz,” but in the world of manufacturing it truly comes down to how “parts” are manufactured. Now, with Mizuno, I will reiterate a well-known story. All of its forged irons are single-sourced from one foundry (Chuo) in Japan through a handshake agreement that has been in place for decades.
Now back to the MMC. Before the MP-20 the MMC always had one tiny design difficulty (not a bad one, just a truth) and that was the titanium piece in the back was the same size throughout the whole set. This lead to a set with almost constant sole width. That doesn’t mean previous generations were constructed poorly, but it just means there were improvements that could be made to how the set flowed (there’s that word again) from top to bottom…which leads us to the tech story.
For the first time in the MMC’d life, the titanium piece of the iron will actually vary in mass depending on the club. It will be broken up in the middle of the set to allow better CG placement, and like its blade cousin, improved turf interaction in the shorter irons.
What is also very cool from a build and engineering perspective is the way the titanium gets into the club in the first place. Here we go down a metallurgy rabbit hole, buckle up…
- Titanium has a mass density (rounded) of 4.5 g/cm3 – cubed
- Carbon steel has a mass density of (rounded) 7.9 g/cm3 – cubed
That means that from every cubed cm of steel volume you replace with titanium in the head, you save 3.4g… which might not seem like much, but in a 4-iron for example that has an average mass of 248g for (4) cm3 you save 13.6g or just over five percent. I realize this is DEEP into the mass property weeds, but when you think of what a club head weights and how every half percentage point matters, five percent is a lot! That’s more forgiveness, more MOI, more spin control, and overall better performance.
What is also very cool is all of these parts (titanium and tungsten) have ZERO chemical bond—no epoxy. They all fit snug based on the shrinkage rates of the different materials. Ti & W( tungsten – W comes from the ore Wolframite) shrinks less than the steel so as the steel cools around the titanium and tungsten pieces it creates a mechanical (solid) bond.
All of this together adds up to an iron that looks smaller than the previous version, offers more “flow” in CG, something we mentioned earlier that creates more forgiveness and control throughout the set, and at the end of the day it means a better-engineered version than the one before it.
Truth Break for a moment…
Let me make one thing clear, new sets are AWESOME! We are, and always will be, attracted to the latest and greatest but the player should still get fit and find out what works best. New will and should inevitably be better but the cost-benefit analysis should always be at the end of the day up to the individual golfer to decide and figure out what will end up in the bag to help lower scores.
The Hot Metal Mizuno MP-20 HMB
YES…you read that correctly. Mizuno is bringing Hot Metal tech to the MP line!
A hollow body blade looking iron using the same strong yet highly flexible Chromoloy material as the 919 Hot Metals except this time forged to create an iron like they never have before. The look and shape of a blade the speed of a Hot Metal.
Let’s break things down.
The look is clean as clean can be, from there the face of the HMB is thin and fast, while hidden inside the back of the club is complex geometry for both acoustics and precisely positioning mass. These will be the replacement for the MMC Fli-His but unlike that set, only going to the 6-iron, the new HMB will go all the way to the pitching wedge.
What is also different for the HMB vs. the MMC Fli-Hi is the way tungsten is used in the head to create different impact dynamics. The Fli-Hi had all the tungsten (20g worth) in one place in the head (low and towards the toe). The CG was still located right in the middle but through in-depth testing some players found that the Fli-Hi was a more difficult club to turn over and draw.
To improve the workability of the new HMB, the Tungsten was split into two 12g pieces (four more grams than previous Fli-Hi) and positioned into precisely formed pockets on the heel and toe in the back of the club. This allows the unsupported face to flex and makes the club more workable while still maintaining all the forgiveness you would expect from a hollow body iron built for speed. Seriously who doesn’t like the sound of that?
Since the new HMB is a full set and not just long irons, there is more to the tech story… here is comes… better flow and CG positioning throughout the set. This is hugely important for the mid and short irons where loft is already going to create spin so controlling ball flight and traj on approach shots is vital for scoring better.
This is again where the MP-20 Family discussion comes into play. Mizuno knows they are going to sell a lot more HMB long irons vs. blade and MMC long irons, so the entire family is designed holistically for every player to find each and every head that optimizes them on the course.
The Full Package
Like with previous generations going back almost a decade, Mizuno is keeping its industry-leading matrix of shaft and grip options available at NO upcharge. BUT… based on the growing demand for more exotic options the newly expanded shaft line up will include a few shafts that will come with a slight upcharge.
Whatever you end up being fit for, it’s important to realize that there has never been family of Mizuno irons designed like this, which could also mean you could be bringing home some new family members soon.
Plated in copper, for an impact sensation recognized as our purest ever. Three irons, each with their own unique appeal, to work alone or blend within a custom set.#mp20 #LayersofFeel pic.twitter.com/0rZebo78mI
— Mizuno Golf North America (@MizunoGolfNA) July 16, 2019
Callaway Epic Forged irons: Premium speed in a forged body
With the release of the original Epic irons, Callaway did something they had never done before—build an iron that oozed ball speed and hid a lot of tech in a mid-sized package. Now imagine all that technology and greater speed in a more refined shape with a forged body…that is the all-new Epic Forged.
Built with the idea of offering speed and shotmaking in one package, the Epic Forged achieves all of that thanks to tech that is being used for the first time in a forged iron. The most notable being the Suspended Tungsten Core—which is comprised of the densest form of this heavy element. The issue with using this almost pure form of Tungsten is that it’s extremely hard to work with when using conventional construction methods. But Callaway defies convention and is using the patented Urethane Microspheres in the Suspended Tungsten core of the Epic Forged to precisely position mass creating the ideal center of gravity. This promotes controlled launch and spin, while allowing the face to flex as needed to create maximum ball speeds.
So what good is all this speed if you can’t control it?
Variable Face Thickness: Sure this tech isn’t new, it dates back to the above Hawkeye VFT driver (that was a great driver in its day), but if the Epic Flash driver has taught us anything, it’s that by looking beyond convention you can find new ways to utilize known technology. Built into the 360 Cup Face, the newly designed VFT pattern helps players achieve even more consistent ball speed and spin rates club to club. The reason this is so important: Callaway knows even average golfers want a club they can hit controlled shots with. A 7-iron isn’t any good if you’re not confident in the hitting the shot you want to.
Don’t think that we’re done talking about what these have under the hood just yet…
Since the Epic Forged irons go all the way into a sand wedge, there were some design decisions to be made to on how to make sure the scoring and recovery clubs still offer forgiveness but with even greater consistency and feel, Starting at the approach wedge and going to the sand wedge (the set goes PW, AW, GW, SW), instead of using the 17-4 SS cup face, Callaway engineers are using a forged faceplate to compliment the forged body. Inside of these still-hollow wedges, they are using a resistance welding technique to precisely locate a MIM (metal injection molded) Tungsten weight to achieve superior trajectory control.
The last piece to the puzzle.
A club will always be the sum of its parts and Callaway is pulling out all the stops with the Epic Star Forged set and the components that will accompany this technology package. The stock options will include Aerotech Steelfiber FC (flight control) and Mitsubishi Chemical’s Tensei AV Silver shaft to optimize feel and control. The other upgrade is the Golf Pride Tour Velvet Align Silver Grips (Align grips offer a textured raised rib on the bottom of the grip to help the golfer place their hands in the same position over and over again). All of these pieces come together to create a premium iron from Callaway.
The Epic Forged will be available at retail starting August 2nd. 4-SW. Retail price of $300 per iron.
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