Tour News
Tiger Woods lofting up for thin air? Examining the switch and what happens when you play at altitude
It’s not very often a Tiger Woods equipment change flies under the radar, but for one of the world’s most recognizable golfers, a little fairway wood switch should have some big impacts. Per the Darrell Survey and some insider information, the Big Cat has switched from a 13-degree TaylorMade M5 Ti fairway to the same model in 15 degrees (Woods is sticking with the same Mitsubishi Diamana D+ White 80TX shaft).
In his press conference at the Genesis Open Tiger said
“I’ve always been pretty good at taking spin off, but I’m trying to get the ball up for this week and trying to hit the ball high. I knew that that was going to be one of the things I needed to do. And also getting ready if I was going to play Mexico, it was going to be two weeks of trying to get that ball up because obviously it’s at altitude next week and the ball doesn’t spin a lot. So to be able to send that ball up in the air and have it pretty soft when it lands I thought was important.”
It’s an interesting point by Tiger, and this also gives us another reason to pay a little extra attention to the shots hit with that club over the next couple weeks. Also, it’s not every day I get to explain, or in this case, help correct, a misunderstanding in a Tiger Woods quote.
Here is the part of the statement “it was going to be two weeks of trying to get that ball up because obviously it’s at altitude next week and the ball doesn’t spin a lot.”
Let me explain: The golf ball in an inanimate object has no idea it’s at altitude; the air will not have an effect on how much the ball will actually spin. YES increasing loft should, by almost every imaginable measure, increase spin (so Woods’ switch is the right one, from that standpoint) but the air it travels through will not change the spin rate.
However, playing at altitude does have effects. Let’s break down what happens
- Thinner air exerts less drag force (resistance) on the ball. The ball moves more easily through this less dense air and won’t decelerate as quickly as it flies. But note that the faster an object moves the more drag force will occur.
- Less resistance also means that it harder to shape shots. So you when you see Shot Tracer, the pros are going to be hitting it even straighter (like they need the help – eye roll)
- Less force = less lift, the the ball will also fly lower and on a flatter trajectory
Time for some fun math from Steve Aoyama, a Principal Scientist at Titleist Golf Ball R&D (full piece here: The Effect of Altitude on Golf Ball Performance)
“You can calculate the distance gain you will experience (compared to sea level) by multiplying the elevation (in feet) by .00116. For example, if you’re playing in Reno, at 1 mile elevation (5,280 ft.) the increase is about 6% (5,280 x .00116 = 6.1248). If you normally drive the ball 250 yards at sea level, you will likely drive it 265 yards in Reno.”
With Club de Golf Chapultepec sitting just over 7,800 feet above sea level, we’re looking at 9.048 or an increase of just over 9 percent. THATS A BIG DEAL! That makes this 7,341 yard course play 6,677 yards (+/- where the tees are placed).
We often see the question of what would happen is pros played “my” course, and in the case of the WGC in Mexico City we might have a pretty good idea, owing to the effective yardage.
As for the fairway wood switch, the lofted-up TaylorMade M5 should help Woods navigate the tight, tree-lined fairways at Club de Golf Chapultepec, and potentially help him add to his impressive list of WGC titles.
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Tour Photo Galleries
Photos from the 2024 Zurich Classic of New Orleans
GolfWRX is live on site this week at the Zurich Classic of New Orleans for the PGA Tour’s one-and-only two-man team event.
As usual, general galleries, WITBs, and pullout albums — including some pretty spicy custom putters and headcovers — await your viewing.
Be sure to check back for more photos from the Big Easy, as we’ll continue to update this page with additional galleries throughout the week.
General Albums
- 2024 Zurich Classic – Monday #1
- 2024 Zurich Classic – Monday #2
- 2024 Zurich Classic – Tuesday #1
- 2024 Zurich Classic – Tuesday #2
WITB Albums
- Alex Fitzpatrick – WITB – 2024 Zurich Classic
- Austin Cook – WITB – 2024 Zurich Classic
- Alejandro Tosti – WITB – 2024 Zurich Classic
- Davis Riley – WITB – 2024 Zurich Classic
- MJ Daffue – WITB – 2024 Zurich Classic
- Nate Lashley – WITB – 2024 Zurich Classic
- James Nicholas – WITB – 2024 Zurich Classic
- Kevin Streelman – WITB – 2024 Zurich Classic
- Rasmus Hojgaard – WITB – 2024 Zurich Classic
- Tom Whitney – WITB – 2024 Zurich Classic
- SangMoon Bae – WITB – 2024 Zurich Classic
- Daniel Berger – WITB – 2024 Zurich Classic
- Rory McIlroy – WITB – 2024 Zurich Classic
- Russ Cochrane – WITB – 2024 Zurich Classic
- Aldrich Potgieter – WITB – 2024 Zurich Classic
Pullout Albums
- MJ Daffue’s custom Cameron putter – 2024 Zurich Classic
- Cameron putters – 2024 Zurich Classic
- Swag covers ( a few custom for Nick Hardy) – 2024 Zurich Classic
- Custom Bettinardi covers for Matt and Alex Fitzpatrick – 2024 Zurich Classic
- Doug Ghim’s custom Cameron putter – 2024 Zurich Classic
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Tour Photo Galleries
Photos from the 2024 RBC Heritage
GolfWRX is on site this week at Harbour Town Golf Links on Hilton Head Island for the RBC Heritage. Plenty of golfers who competed in the Masters last week will be making the quick turnaround in the Lowcountry of South Carolina as the Heritage is again one of the Tour’s Signature Events.
We have general albums for you to check out, as well as plenty of WITBs — including Justin Thomas and Justin Rose.
We’ll continue to update as more photos flow in from SC.
Check out links to all our photos, below.
General Albums
- 2024 RBC Heritage – Monday #1
- 2024 RBC Heritage – Monday #2
- 2024 RBC Heritage – Tuesday #1
- 2024 RBC Heritage – Tuesday #2
WITB Albums
- Justin Thomas – WITB – 2024 RBC Heritage
- Justin Rose – WITB – 2024 RBC Heritage
- Chandler Phillips – WITB – 2024 RBC Heritage
- Nick Dunlap – WITB – 2024 RBC Heritage
- Thomas Detry – WITB – 2024 RBC Heritage
- Austin Eckroat – WITB – 2024 RBC Heritage
- Xander Schauffele – WITB – 2024 RBC Heritage
- Jason Day – WITB – 2024 RBC Heritage
- Will Zalatoris – WITB – 2024 RBC Heritage
- Patrick Cantlay – WITB – 2024 RBC Heritage
- Ludvig Aberg – WITB – 2024 RBC Heritage
- Collin Morikawa – WITB – 2024 RBC Heritage
- Sam Burns – WITB – 2024 RBC Heritage
- Stephen Jaeger – WITB – 2024 RBC Heritage
Pullout Albums
- Wyndham Clark’s Odyssey putter – 2024 RBC Heritage
- JT’s new Cameron putter – 2024 RBC Heritage
- Justin Thomas testing new Titleist 2 wood – 2024 RBC Heritage
- Cameron putters – 2024 RBC Heritage
- Odyssey putter with triple track alignment aid – 2024 RBC Heritage
- Scotty Cameron The Blk Box putting alignment aid/training aid – 2024 RBC Heritage
- Cameron putter – 2024 RBC Heritage
- Odyssey Ai One Eleven T putters – 2024 RBC Heritage
- Christian Bezuidenhout – testing new Callaway Ti 340 mini driver – 2024 RBC Heritage
- Rory McIlroy testing the new TaylorMade BRNR Mini Driver Copper – 2024 RBC Heritage
- Xander Schauffele testing the Callaway Ti 340 mini driver & the DUW – 2024 RBC Heritage
- Byeong Hun An, two new L.A.B. Golf putter builds with “T” alignment – 2024 RBC Heritage
See what GolfWRXers are saying and join the discussion in the forums.
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Tour Photo Galleries
Photos from the 2024 Valero Texas Open
GolfWRX is on site this week at the Valero Texas Open.
The event has been around since 1922, making it one of the oldest on the PGA Tour calendar. Over the years, it’s been held at a variety of courses across the Lone Star State, but it’s found its home at TPC San Antonio in recent years. Some of the biggest names in golf have taken home the title here, including Arnold Palmer, Ben Hogan, Lee Trevino, and Ben Crenshaw.
GolfWRX has its usual assortment of general galleries, WITBs and special pull-out albums. As always, we’ll continue to update the links below as more photos come in from TPC San Antonio.
General Albums
WITB Albums
- Ben Taylor – WITB – 2024 Valero Texas Open
- Paul Barjon – WITB – 2024 Valero Texas Open
- Joe Sullivan – WITB – 2024 Valero Texas Open
- Wilson Furr – WITB – 2024 Valero Texas Open
- Ben Willman – SoTex PGA Section Champ – WITB – 2024 Valero Texas Open
- Jimmy Stanger – WITB – 2024 Valero Texas Open
- Rickie Fowler – WITB – 2024 Valero Texas Open
- Harrison Endycott – WITB – 2024 Valero Texas Open
- Vince Whaley – WITB – 2024 Valero Texas Open
- Kevin Chappell – WITB – 2024 Valero Texas Open
- Christian Bezuidenhout – WITB (mini) – 2024 Valero Texas Open
- Scott Gutschewski – WITB – 2024 Valero Texas Open
Pullout Albums
- Cameron putter – 2024 Valero Texas Open
- Ben Taylor with new Titleist TRS 2 wood – 2024 Valero Texas Open
- Swag cover – 2024 Valero Texas Open
- Greyson Sigg’s custom Cameron putter – 2024 Valero Texas Open
- Davis Riley’s custom Cameron putter – 2024 Valero Texas Open
- Josh Teater’s custom Cameron putter – 2024 Valero Texas Open
- Hzrdus T1100 is back – – 2024 Valero Texas Open
- Mark Hubbard testing ported Titleist irons – 2024 Valero Texas Open
- Tyson Alexander testing new Titleist TRS 2 wood – 2024 Valero Texas Open
- Hideki Matsuyama’s custom Cameron putter – 2024 Valero Texas Open
- Cobra putters – 2024 Valero Texas Open
See what GolfWRXers are saying in the forums.
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gery katona
Feb 18, 2019 at 6:47 pm
I wonder if club-head speed is also greater with less resistance?
Henry Adam
Feb 18, 2019 at 11:36 am
Friction between a spinning ball and the air causes the spin rate to decrease as the ball travels through the air. I have no idea how big this effect is, or how much it changes with different densities of air. However, it is the case that given a particular spin at launch, a ball stuck in thinner air should have a higher spin rate on landing than one struck in denser air. It will therefore also have a higher average spin rate throughout its flight. So thinner air will not allow a given spin to cause the ball to rise after launch as much as it would do in denser air, but that will be compensated to some (unknown) extent by the higher overall average spin rate. Any comment Bryson? 🙂
Reid Sheftall MD
Feb 18, 2019 at 11:35 am
Actually Tiger (who thinks the ball will spin less at altitude) AND the author (who thinks the thinner air will have no effect) are both wrong. The ball spins MORE at altitude because of less drag. Take extreme examples: In a vacuum (the thinnest air possible because there is none) the ball will spin “forever” . Spin the ball under water (the thickest air…) and it will come to a halt very quickly.. Therefore, the thicker the air, the less the spin. signed, an M.I.T. physics major, pro golfer in Asia and the author of an upcoming book dispelling this and many other myths of golf that have been passed down through the generations. I also introduce a mathematical model that will help all golfers make the most of their practice time from tour pros to beginners… coming in the summer of 2019 I hope…
Reid Sheftall MD
Feb 20, 2019 at 12:42 am
Actually Tiger (who thinks the ball will spin less at altitude) AND the author (who thinks the thinner air will have no effect) are both wrong. The ball spins MORE at altitude because of less drag. Take extreme examples: In a vacuum (the thinnest air possible because there is none) the ball will spin “forever” . Spin the ball under water (the thickest air…) and it will come to a halt very quickly.. Therefore, the thicker the air, the less the spin.I am writing a book dispelling this and many other myths of golf that have been passed down through the generations. I also introduce a mathematical model that will help all golfers make the most of their practice time from tour pros to beginners… coming in the summer of 2019 I hope…
Reid Sheftall MD
Feb 20, 2019 at 12:47 am
I apologize to all readers of my response for acting like a jerk. I have tried to delete it or at least part of it but I can’t seem to be able to do it. Please forgive me!
Tiger Noods
Feb 17, 2019 at 4:53 pm
Altitude: vertical distance between an object and the local surface of the Earth.
Elevation: vertical distance between the local surface of the Earth and global sea level. The local surface of the Earth will be either land or water surface.
Also, “altitude” within aviation is a combination of these… vertical distance between current location and global sea level.
Elevation + Altitude = Aviation Altitude.
Not intended to be anything other than clarification with the way these words often are used interchangeably.
A
Feb 17, 2019 at 10:45 am
Yeah but is that actually turning the hosel, or is he actually switching heads from an actual 13 to an actual 15? I doubt he’s going to just dial the adaptor on the 13 closer to the 15 because the face will shut too much and he’d be pulling it, so I’m presuming it’ll be a 15 degree with a face angle he likes
KB
Feb 17, 2019 at 1:08 pm
I think it’s safe to assume Tiger uses a glued hosel over the off the shelf adjustables we all get.
Needles
Feb 17, 2019 at 1:29 pm
Why not get a new head that sets up just how he wants? Makes sense. He has the entire company at his disposal.
.
I also doubt he’s just changing the adapter.
Chris
Feb 18, 2019 at 2:12 pm
That’s not how it works. Changing the loft does change the face angle but it’s relative to where it was at the neutral setting. If you line up the face square at address on a club that has its loft increased it’s not going to magically shut on the down swing.