Check out the photos we shot of a prototype Callaway driver with a sliding weight track that wraps around the perimeter of the driver head.

The weight appears smaller than the one in TaylorMade’s SLDR driver, but its rearward positioning is sure to stir healthy (and unhealthy) debate about the best place to position the center of gravity in a driver head.

For years, TaylorMade has been touting the benefits of a low-and-forward CG for a higher launch and lower spin with its drivers. Company officials say that the CG positioning increases ball speed and forgiveness on shots hit low on the face.

Companies like Titleist, Callaway and Ping have preferred more rearward weighting strategies, which according to Ping’s Marty Jertson, a senior design engineer for the company, improves clubhead stability and allows golfers to achieve more efficient launch conditions (a.k.a. a lower spin loft).


The driver also includes a removable weight at the end of the weight track on the heel portion of the driver and a dual-cog adjustable hosel, but don’t count on this driver coming to retail exactly as is — Callaway officials declined comment on the unfinished prototype, which doesn’t have scoring lines on the face or markings on the sole.


We also spotted two prototype Callaway forged irons on the range at the Deutsche Bank Championshp. One of the irons looks to be in line with Callaway’s 2013 X Forged iron model, but unlike the X Forged it has a multi-material construction that we can only assume adds to the iron’s forgiveness and functionality.

The other model has a deep undercut cavity, which makes an iron higher launching, more forgiving and generally provides faster ball speeds.

Check out more photos of the driver and irons below, and make sure to click here to see what members are saying about the prototype clubs in the forums.


Click here to see the buzz about the prototype Callaway driver and irons in the forums.


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  1. She beverages her coffee. Two months ago a next-door neighbor told her about your page, and she asked me to purchase her one of those thingummyjigs. She and I are extremely happy her friend happened over to your blog.

  2. its all about the shaft people, stock shafts are junk full stop. get a decent after market shaft and you will hit most brands sweet.

  3. I don’t know why everyone is complaining about the OEM’s putting out new stuff every few months. Hell it’s saved me a bunch of money. I bought a brand new Nike Vr Pro limited for $150.00, a brand new Adams A12 for $85 and a brand new Pro Black for $75 all because the big OEM’s said they’re outdated and enough people out there believe it. Hell I got all three for less than I paid for my last driver 8 years ago and this new one is the best driver I’ve ever had plus the hybrids are awesome too. Keep it up OEM’s I’ll keep buying that 6 month old outdated equipment!

    • Finally: Golfwrx reveals a man with a brain who knows how to play this “new introduction” game. Rather than buy brand-new, not-really-revolutionary-technology and a few months later griping about “depreciation” and “diminished re-sale value,” Matt here is smartly buying six months or so after the latest introduction and saving BUNDLE$ in the process for technology that’s virtually identical to the new stuff.

      Matt, you’re a smartie and probably not the only one here. (Sadly, however, there are many Golfwrxers who actualy buy into the advertising, the hype and the so-called “prestige” of the latest gear, pathetically believing that new gear — with it’s minute advancements — will actually allow them to Score Better. I kid you not.)

      • Yeah benseattle so many people want to try and buy a game believing its the arrow and not the indian. My philosophy is stick with what works until it stops working and that’s why I had my last driver 8 years. Think about that how many new drivers came out in that time claiming to be longer than the previous model. I put that old driver a Titleist 905T up against every new driver I tested on the simulator and it consistently put up higher ball speed numbers by a couple miles an hour than the new stuff I tested it against with equally good spin and launch. Some of those drivers I tested, Taylor made Rll, Taylor made Rocketballz, Ping i20 and g20, Cleveland classic, Callaway Rzr and diablo etc. Only the Nike impressed me enough to put it in the bag and it was more for accuracy, feel and the way it looked in the address position than distance.

  4. Golf is now nothing more than a rehash of old technology, hence forward or backward weighting. The new Titleist 714 I sadly say is nothing more than the first AP2 iron put out by Titleist. I play AP2’s and the 913 but the new Titleist and Ping S55, look closely, pretty much the same design. Golf balls, the same way. The first generation ProV1 is just as long and straight as the current. I have a storage for some old equipment and will safe a couple of sleeves of prior generation balls just for comparison. Marketing, Marketing, Marketing boys.

  5. If manufacturers would keep the same club at the same price as their latest and greatest, they would still hit all of the markets y’all described except us idiots who do want that extra edge, the ones that see all the guys on TV with it and say if they need it to make millions then I need it to hit fairways, sink putts etc. The problem is in the idea that they “need” it; they are employees of whoever they wear on their clothes and bags and thus have to say,”I play something longer than R11″ when they don’t actually except in a simulator. Can anyone who has switched from R9 to R1 over the years and had their balls rocketier boosted twice say that they hit it longer or straighter or more importantly both? We used to call it the TP model because the charateristics of the head, now they do it for the shafts, it will never end until we allow clubs to fail when marketed.

    • I actually just tested my R9 Supertri to my R1 with same shaft and i find that the R1 spins less and goes 7 yards further on average

  6. I have no prob with my ‘old’ Callaway irons or Razr-fit driver – especially after trying out the latest Callaway and TM models. What I find annoying is that the big Co’s have gone to all out war with each other and jumped into instant disposable/obsolete club mentality like never before. It’s not comforting to think that a driver I laid out €360 for is now on sale for €179 and has been superceded by no less than THREE more models within the space of just over 12 months. And who’s to prove that each new model is actually longer and better? Despite many Club golfers claiming they now hit the latest drivers 20, 30 or even 50yds more, I’d like to see the stats. There are strict R&A/PGA rules governing the materials and technology that can be used so all things being equal you might get a 10/15 yard gain – presuming you swing with the consistency of a Pro to begin with. Also, the norm for irons now seems to be to deloft the clubhead. This creates the illusion that you are gaining extra yardage on each of your older irons. But in reality all this means is that your new 5 iron has the loft of your old 4 iron. A Marketing gem maybe, but as the manufacturers don’t reveal this fact openly this is disingenuous to say the least. That said, Callaway still rule. #endofrant

  7. Not one “modern” driver or iron has any engineering logic in the design…total hack clubs by hack engineers at hack manufacturers…actually Callaway have disappointed me with this driver…i thought they were better than trying to imitate others for the $$$$$

  8. Let the OEM’S do as they please…. There’s a sucker born everyday, and they end up buying into this crap. Must say mizzy and titleist do what they are known for the best, and i feel confident buying their products knowing its not gonna be replaced next week or have some goofy name on it, just feel like those few other companies push a lot of disposable gear that is played, gone, and forgotten within weeks/months….it’s sad to see people get beat, but they get sucked in, and within a short amount of time, you say why am I hitting a shaft with a tribal logo?!? Few weeks later there’s a ton of TMAG, Callaway, etc on BST for a fraction of the price…or in some cases, the stuff actually played by pros for astronomical prices as one company is famous for….

  9. What I don’t understand is why anyone cares if cares if the OEM’s do market their clubs the way they do. I get it that its dumb, but for the people who don’t troll golf sites bashing every new club they see because it resembles another club its a great way to get their product out there. Callaway makes great clubs so quit whining and buy what you like and leave the rest alone.

  10. I’m a Callaway fan. I use their FT irons and Razr-fit driver. I decided to get fitted for a new set of irons a couple of months ago by a leading Euro club fitter. I tried out TM’s pocket irons and Callaway’s X-Hot irons. The fitter informed me that I was hitting my FT 6 iron as long, and with tighter dispersion, than the TM and despite trying out a number of different shafts couldn’t improve anything. I did manage to hit the X-Hot about 10 yards longer and the Callaway did feel much better but, when you consider that both the TM Pockets and Callaway X-Hot’s are all set a full club stronger than my old FT’s I decided not to change. My Razr-fit driver was