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Opinion & Analysis

What makes a golf ball curve? (GolfWRX explains)

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At some point, every golfer has asked the question “Why did that shot slice? Why did that shot hook? How did that shot go straight?”

The simple answer is physics, but the actual reason is a little bit more complicated and has to do with the relationship the golf ball has with the golf club as it approaches contact, but that’s why we’re here to explain why your golf ball travels where it does.

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It’s all about spin axis – AKA “sidespin”

Spin Axis – Trackman Golf

Side spin is the commonly used, but incorrect way to describe the spin axis of a golf ball as it travels through the air. Rather than try and define it myself, I will refer to the experts at Trackman to help me explain what’s really going on.

“Spin Axis is the tilt angle relative to the horizon of the golf ball’s resulting rotational axis immediately after separation from the club face (post impact).”

“The spin axis can be associated to the wings of an airplane. If the wings of an airplane are parallel to the ground, this would represent a zero spin axis and the plane would fly straight. If the wings were banked/tilted to the left (right wing higher than left wing), this would represent a negative spin axis and the plane would bank/curve to the left. And the opposite holds true if the wings are banked/tilted to the right.”

Unlike a plane in the example used by our friends at Trackman, a golf ball has no propulsion system, and all the force that causes it to move comes from the golf club. Depending on how the club makes contact with the ball will result in how the ball will fly. It’s no different than how a tennis or ping-pong ball travels through the air after it is struck with a racket or paddle – a golf club is just a “paddle” with a much longer handle length.

Why does a golfball curve right and left?

There are 2 main factors of the impact that influence how a golfball will curve;

  • The direction the clubface is aimed relative to the target line at impact
    Face Angle

  • The direction the club is moving at the moment of impact
    Club Path

Face-to-path – How to hit a draw

So now that we have a better understanding of why the golf ball curves in one direction or the other, the video below from TrackMan and Martin Chuck does a great job explaining the relationship of face to path, and how to hit a draw.

How to hit a straight golf shot

Being able to hit a straight shot is one of the most difficult things to do in the game of golf. The reason professionals don’t intentionally hit straight shots very often is that when it’s not executed properly it can create a shot that misses both right and left and if there is one thing professionals and low handicap players like to see is a golf ball that misses in one direction.

Face Strike Point

Beyond the relationship between the clubface and path, hollow golf clubs also have another factor at play, and that is the bulge and roll – curvature of the face from top to bottom and side to side. This curvature combined with the gear effect of hitting a shot outside the sweet spot results in the club imparting a higher measured spin axis and as a result the ball curves even more.

Check out this video below by TXG demonstrating how strike location on a driver has an effect on how the golf ball curves.

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Ryan Barath is part of the Digital Content Creation Team for GolfWRX. He hosts the "On Spec" Podcast on the GolfWRX Radio Network which focuses on discussing everything golf, including gear, technology, fitting, and course architecture. He 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.

2 Comments

2 Comments

  1. Joe

    Nov 21, 2020 at 7:09 pm

    You say the reason the ball curves is physics but then you don’t even give the right physics explanation. You give a good explanation of how to tilt the spin axis of a golf ball but zero explanation of why a ball actually curves in the air. Just call the article how to affect the spin axis because the content here has nothing to do with how the ball curves.

    • Marc

      Nov 22, 2020 at 10:37 am

      Yup, totally useless article. “How to hit a straight shot…” answer: it’s difficult, so even pros don’t attempt it lol. Fails to explain even a little of the face-to-path relationship. Don’t understand how this guy is a featured writer on here.

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Opinion & Analysis

You went to play, now you want to stay: Homes near Cabot Links & Cliffs

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At some point, we’ve all had that moment during a vacation where we look around and think to ourselves, “Instead of visiting, why don’t we just move here?” It always sounds a little crazy in the moment, but really, what’s stopping you?

Like many, I have done this myself, and it leads me down a rabbit hole of golf destination real estate to places all over North America where you get world-class golf minutes from home.

So whether you’re a big spender or looking to downsize and find a cozy hideaway, these homes near Cabot Links & Cliffs have it all.

Homes near Cabot Links & Cliffs

Inverness, Nova Scotia

Steps away

$1,495,000 – 12 Mine Road Inverness MLS Number: 202011562

Location, location, location!

This is currently the most expensive house in Inverness NS, and for good reason. It’s steps away from Cabot Links and overlooks the resort. It’s over 2,600 square feet of beautiful open concept living, and with a local address, you get a discount on tee times at the course, although with its growing popularity, you aren’t guaranteed times like if you stay on the actual property.

Who wouldn’t want to wake up to this view every day? Listing: 12 Mine Road – Realtor

Just up the road

$980,000 – 30 Broad Cove Road Inverness, MLS Number: 202010717

If the first one seems a bit crazy, this next one might be right up your alley.

This 4,000 square foot home, is only minutes from Cabot Link and Cliffs and has amazing views that overlook the Gulf of St. Lawrence. It has everything you could want including a large chef’s kitchen and enough room to host friends and family.

Listing: 30 Broad Cove Road – Realtor

Just you and the ocean

$394,000 – 6 Bayberry Road, Port Hood, MLS Number: 202015994

If you like golf but want a little more separation from the Cabot golf resort, less than 20 miles down the road is Port Hood, another quiet seaside town filled with quaint shops and endless views of the ocean.

You can wake up every morning to the sounds of the ocean and the smell of sea air, and when you want to play golf at a top 50 course in the world, you just need to make a relaxing drive along the water to get there—heck, if you are so inclined, and happen to have a boat, you can go almost door to door that way too!

Listing: 6 Bayberry Road – Realtor

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Golf's Perfect Imperfections

Golf’s Perfect Imperfections: Kinetic chain engagement in your chipping: The Base of all Swings

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Golf instruction went from, ‘stable-don’t move your legs’ to ‘it’s okay to move your hips in the backswing’ because golf is not worth getting hurt over; to what, are you kidding me, we should have just allowed the legs to be used in the first place like they are supposed to. Just watch Ben Hogan hitting a pitch shot full body with no restrictions tells you that we are right.

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On Spec

On Spec: The best gear of 2020 with guest Johnny Wunder

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After a very interesting year in the golf equipment world, host Ryan Barath welcomes fellow GolfWRX writer and podcaster Johnny Wunder—of The Gear Dive—to chat about everything we saw in 2020 and what could be next.

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