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SPOTTED: A PXG “XXF prototype” driver in Charles Howell III’s bag

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In December, we spotted a PXG XXF driver, along with two other PXG drivers, on the USGA conforming clubs list. Flash forward to Monday at the 2018 CareerBuilder Challenge, we spotted an XXF prototype driver in person in the bag of PXG staffer and club-tinkerer Charles Howell III.

We are told the XXF driver in CHII’s bag is only a prototype, and that it may never actually be released to the public.

As we originally postulated, it seems from the layout of the weights, or screws, that the XXF prototype is a fade-biased driver; that’s because there are three screws out on the toe portion of the sole, but none on the heel portion. We also guessed that the PXG ZZ has a neutral bias and the PXG XX is a draw-biased driver.

The last official driver release from PXG was a line of 0811X drivers that introduced thermoplastic elastomer inserts into the soles of the drivers to help lower center of gravity — making the drivers more forgiving and spin less — and to dampen vibrations, enhancing sound and feel. Since we haven’t cut open the XXF prototype driver we spotted in CHIII’s bag, we don’t know whether it also has a TPE insert in the sole. But, if the material lowered CG in the 0811X drivers, it’s likely the material would make it’s way into the XXF prototype driver in some capacity to achieve similar results.

From the photos, CHIII is testing the XXF prototype driver with a Mitsubishi Tensei CK Blue shaft. We’ll keep an eye out to see whether he puts the driver into play this week, and we’ll update you with more information on the XXF driver if it becomes available.

Discussion: See what GolfWRX members are saying about the PXG XXF driver in our forums

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7 Comments

7 Comments

  1. SK

    Jan 18, 2018 at 1:17 am

    Hmmmm ….. back weighting, face weighting, toe weighting …. but NO HEEL WEIGHTING …!!!
    Wonder why!

  2. AllanG

    Jan 17, 2018 at 2:20 pm

    Next PXG model will be “SXFK69″…. 😎

  3. Wondering

    Jan 17, 2018 at 2:11 pm

    Why are some of the tungsten weighting skrews colored black and some silver? What’s the difference or is it just cosmetics?

    • stan

      Jan 18, 2018 at 6:42 pm

      Black skrews are ‘big’ and silver skrews are ‘white’…. so obvious

  4. Dot

    Jan 17, 2018 at 2:23 am

    Where do they find these utterly stupid model numbers because they sound like something that’s intended to bamboozle gullible golfer into thinking their clubs are special?
    In the advertising world they invent model numbers as acronyms for something exciting, like “SX” which everybody wants.

  5. Moderation

    Jan 16, 2018 at 10:50 pm

    😮

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Whats in the Bag

Akshay Bhatia WITB (September 2020)

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Driver: Callaway Mavrik Sub Zero (8.5 degrees)
Shaft: Project X HZURDUS “Hulk” Smoke Green 75 6.5 TX

3-wood: Callaway Mavrik Sub Zero (15 degrees)
Shaft: Project X HZURDUS Hulk Smoke Green 85 6.5 TX

Irons: Callaway Epic Forged (3), Callaway Apex MB 18 Raw (4-PW)
Shafts: KBS TG Hybrid Proto 95 X (3), KBS $-Taper Black 125 S+ (4-PW)

Wedges: Callaway MD5 Jaws Raw (50S, 54S, 60C)
Shafts: KBS $-Taper 125S+

Putter: Odyssey SL Black Armlock 7

Grips: Iomic Sticky 2.3 Black

 

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Top 5 strokes gained: around-the-greens 2020 and the wedges they used

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#5 Hideki Matusyama (.458% AVG, 27.951 SG) 


Wedges: Cleveland RTX Forged Prototype (52-10, 56-8 @57.5, 60-08 @62)
Shafts: True Temper Dynamic Gold Tour Issue S400

#4 Brandt Snedeker (.514% AVG, 25.685 SG) 

Wedges: Callaway Mack Daddy 4 (52-10S, 56-10S) Vokey SM8 (60K)
Shafts: True Temper Dynamic Gold Tour Issue S400

#3 Aaron Baddeley (.520% AVG, 19.257 SG) 

Wedges: Ping Glide 2.0 (52-12SS), Ping Glide (56-10), Titleist Vokey 260 (60-12, @59)
Shafts: True Temper Dynamic Gold Tour Issue S400

#2 Rob Oppenheim (.536% AVG, 24.106 SG)

Wedges: Ping I210 UW (52) Ping Glide 2.0 Stealth (56-12SS, 60-10SS)
Shafts: Ping ZZ-65

#1 Jason Day (.632% AVG, 25.287 SG AVG) 

Wedges: TaylorMade MG2 Satin (50-09SB, 54-11SB, 60-10SB)
Shafts: True Temper Dynamic Gold Tour Issue S400

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GolfWRX Spotted: Titleist TSi4 on USGA Conforming List

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After all the excitement caused by the Titleist TSi2 and TSi3 driver and fairway woods, it didn’t take long for another Titleist TSi series driver to pop up on the USGA and R&A conforming club lists, and this time it’s the TSi4.

left-handed driver head from USGA list

Based on the entirety of the information provided in the submission, including the fact that it has been submitted both right and left-handed, leaves us to believe that along with the TSi2, and TSi3, which are currently going through the seeding process on the PGA and Korn Ferry Tours, the TSi4 will also be coming to retail in the near future.

If you remember last year in the spring of 2019, Titleist added the line extension of the TS1 and TS4 drivers to cater to further reaches of the fitting bell curve, for players that needed more launch and spin, and for those that needed further reduction respectively.

The line for the TS4 was simple—the smallest and lowest spinning member of the TS family of drivers. It reduced spin by an average of 300-400 RPM compared to the TS2 and TS3 drivers. All of this while also in a player preferred 430cc package. 

To achieve those kinds of dynamics, MOI of the driver’s head has to be sacrificed in favor of creating a low and forward center of gravity to create lower spin. The curious thing with the TSi4 is if Titleist engineers have been able to boost the head size to a full 460 and keep a similar profile or if they have reverted to a sub 460cc design to replicate the TS4’s mass properties and CG location in a new package with new technology to increase ball speed around the head and increase spin robustness.

Time will tell if and when this becomes available at retail, but based on this information, it’s most likely sooner rather than later.

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