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Inside info on Jason Dufner’s custom LA Golf Shafts long iron shaft

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This week, on the range at the Military Tribute at The Greenbrier, the inaugural event of the 2019 – 2020 PGA Tour season, we spotted Jason Dufner with a very custom LA Golf Shafts long iron shaft.

We reached out to LA Golf Shafts Chief Product Officer John Oldenburg to get the inside info, and John did not disappoint in the details and the story behind the switch by Jason.

“Duff reached out to me shortly after he put our new OLYSS 65 Tour X prototype in play in his driver last season.  He was looking for something for his 4-iron that would get the ball up in the air a bit easier, but maintain (or increase) distance, and keep the spin close to where it was with his existing shaft which was a TT Dynamic Gold AMT S400.  What I worked on providing him was a shaft that had an overall stiffness/frequency and weight that were comparable to his current set up, but with a softer tip section.  And to improve accuracy (decrease dispersion), I wanted to get him something with lower torque than the TT AMT shaft.  So, in a nutshell, that’s what I designed for him.  It’s a 125 gram shaft with a frequency close to the AMT S400, but with a tip that is pretty significantly softer and has 0.3 degrees lower torque.  The combo of a softer tip with lower torque will help him to launch the ball higher but maintain his accuracy.  The “Duff 4-iron”, also has a higher balance point than the AMT S440.  That way Duff can use a heavier head, get the same swingweight he is comfortable with, and put a little more mass behind the ball at impact to get an increase in ball speed and thus distance.”

“That’s the great thing about graphite.  The limitless design capability.  Graphite is a huge family of composite materials, with different stiffness, strength, density, etc..   Steel, although there are more alloys available today, is primarily a single material with a defined, limited set of mechanical properties.  And even with the additional alloys, individual steel shafts are made from one single steel alloy.  I can mix and match any number of composite materials into a single shaft, to change, enhance, fine tune any number of the shaft playing characteristics.  I can lower the torque and soften the tip.  With steel, if you soften the tip, the torque has to go up.  With steel, change the weight and you change the stiffness and torque.  Composites allow me to adjust individual attributes while having little or no effect on the remaining attributes.  This is a huge benefit of graphite and one of the reasons that I am working with Bryson and Duff and complete sets of graphite for their irons.  Stay tuned!”

This hopefully answers some of the questions that have been asked in the forums about a potential full iron set, and thanks to John we can look forward to more individual player-focused products.

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Ryan Barath is a club-fitter & master club builder with more than 17 years of experience working with golfers of all skill levels, including PGA Tour players. He is the former Build Shop Manager & Social Media Coordinator for Modern Golf. He now works independently from his home shop and is a member of advisory panels to a select number of golf equipment manufacturers. You can find Ryan on Twitter and Instagram where he's always willing to chat golf, and share his passion for club building, course architecture and wedge grinding.

3 Comments

3 Comments

  1. David johnson

    Sep 13, 2019 at 4:36 pm

    Great article i am an old golf pro who learnt his golf as a club maker and player the comments make perfect sense and I would love to contact this company for some own use driver and fairway shafts to give me back some length I have lost if you give me the contact details I would be most grateful

  2. dixiedoc

    Sep 12, 2019 at 10:11 am

    Duff’s going to need more that a new four iron

  3. JP

    Sep 11, 2019 at 3:41 pm

    Too bad this isn’t available to the average consumer.

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Equipment

Coolest thing for sale in the GolfWRX Classifieds (4/18/24): TaylorMade BRNR mini driver head

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At GolfWRX, we are a community of like-minded individuals that all experience and express our enjoyment of 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 we all love – buying and selling equipment.

Currently, in our GolfWRX buy/sell/trade (BST) forum, there is a listing for a TaylorMade BRNR mini driver head

From the seller: (@lasallen): “For sale is a BRNR mini 11.5 deg head only in brand new condition.  $325 shipped.”

To check out the full listing in our BST forum, head through the link: TaylorMade BRNR mini driver head 

This is the most impressive current listing 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

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Coolest thing for sale in the GolfWRX Classifieds (4/18/24): Ping PLD Limited Anser – 1988 Open Championship – #2 of only 88 Made

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At GolfWRX, we are a community of like-minded individuals that all experience and express our enjoyment of 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 we all love – buying and selling equipment.

Currently, in our GolfWRX buy/sell/trade (BST) forum, there is a listing for a Ping PLD Limited Anser – 1988 Open Championship – #2 of only 88 Made.

From the seller: (@DLong72): “Ping PLD Limited Anser – 1988 Open Championship – #2 of only 88 Made. ?: $1150. ?? 100% milled collectors item from the limited releases commemorating when Ping putters won every major in 1988 (88 putters made). This was the model Seve Ballesteros used to win the 1988 Open Championship. Condition is brand new, never gamed, everything is in the original packaging as it came. Putter features the iconic sound slot.

Specs/ Additional Details

-100% Milled, Aluminum/Bronze Alloy (310g)

-Original Anser Design

-PING PP58 Grip

-Putter is built to standard specs.”

To check out the full listing in our BST forum, head through the link: Ping PLD Limited Anser – 1988 Open Championship – #2 of only 88 Made

This is the most impressive current listing 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

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Inside Collin Morikawa’s recent golf ball, driver, 3-wood, and “Proto” iron changes

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As you probably know by now, Collin Morikawa switched putters after the first round of The Masters, and he ultimately went on to finish T3.

The putter was far from the only change he made last week, however, and his bag is continuing to change this week at the 2024 RBC Heritage.

On the range of The Masters, Morikawa worked closely with Adrian Reitveld, TaylorMade’s Senior Manager of Tour at TaylorMade, to find the perfect driver and 3-wood setups.

Morikawa started off 2024 by switching into TaylorMade’s Qi10 Max driver, but since went back to his faithful TaylorMade SIM – yes, the original SIM from 2020. Somehow, some way, it seems Morikawa always ends up back in that driver, which he used to win the 2020 PGA Championship, and the 2021 Open Championship.

At The Masters, however, Rietveld said the duo found the driver head that allowed “zero compromise” on Morikawa’s preferred fade flight and spin. To match his preferences, they landed on a TaylorMade Qi10 LS 9-degree head, and the lie angle is a touch flatter than his former SIM.

“It’s faster than his gamer, and I think what we found is it fits his desired shot shape, with zero compromise” Rietveld told GolfWRX.com on Wednesday at the RBC Heritage.

Then, to replace his former SIM rocket 3-wood, Morikawa decided to switch into the TaylorMade Qi10 core model 13.5-degree rocket head, with an adjustable hosel.

“He likes the spin characteristics of that head,” Rietveld said. “Now he’s interesting because with Collin, you can turn up at a tournament, and you look at his 3-wood, and he’s changed the setting. One day there’s more loft on it, one day there’s less loft on it. He’s that type of guy. He’s not scared to use the adjustability of the club.

“And I think he felt our titanium head didn’t spin as low as his original SIM. So we did some work with the other head, just because he liked the feel of it. It was a little high launching, so we fit him into something with less loft. It’s a naughty little piece of equipment.” 

In addition to the driver and fairway wood changes, Morikawa also debuted his new “MySymbol” jersey No. 5 TP5x golf ball at The Masters. Morikawa’s choice of symbols is likely tied to his love of the Los Angeles Dodgers baseball team.

Not enough changes for you? There’s one more.

On Wednesday at the 2024 RBC Heritage, Morikawa was spotted with a new TaylorMade “Proto” 4-iron in the bag. If you recall, it’s the same model that Rory McIlroy debuted at the 2024 Valero Texas Open.

According to Morikawa, the new Proto 4-iron will replace his old P-770 hollow-bodied 4-iron.

“I used to hit my P-770 on a string, but sometimes the distance would be a little unpredictable,” Morikawa told GolfWRX.com. “This one launches a touch higher, and I feel I can predict the distance better. I know Rory replaced his P-760 with it. I’m liking it so far.” 

See Morikawa’s full WITB from the 2024 RBC Heritage here. 

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