Innovative tee

Numerical simulation and characteristics investigation of golf ball trajectory, September 2019HKIE Transactions 26(3):105-114
DOI:10.33430/V26N3THIE-2018-0040, Authors: Xi WANG, Hanyu CHEN
Xiaofeng LI

Key findings from the study:

1. Club head speed
2. Ball rotational speed
3. Launch angle

The results showed:

• Increasing club head speed improves carry distance, up to a point. Once ball rotational speed exceeds 3000 RPM, further club head speed increases can actually decrease distance.
• Ball backspin contributes significantly to peak height. Higher rotational speeds greatly increase peak trajectory height.
• Launch angle also impacts carry. Lower angles help mitigate loss of distance at very high club speeds and spin rates.
• The three factors together have a stronger combined effect on carry distance rather than peak height.

In terms of optimizing for maximum distance:

• Medium club head speeds, moderate 3000 RPM backspin, and lower launch angles provide the best carry.
• Very high speeds or excessive backspin leads to suboptimal flight that reduces distance.

The study validated these simulation findings with real-world driving tests.

In summary, there are clear sweet spots for each variable that must be balanced to achieve maximum carry. The GolfJoytee’s angled design aims to help golfers consistently achieve these optimal strike conditions.

Main findings:

• Dimples on a golf ball reduce drag by shifting the transition to turbulent flow to lower velocities. This causes separated flow behind the ball to be narrower.
• Golf ball lift is highly dependent on spin rate. At higher spin, a asymmetric separation happens with flow sticking longer on the ”acceleration” side. This creates lower pressure and more lift.
• Spin induces a circular wake behind the ball that shifts in the direction of rotation. Higher spin intensifies this phenomenon.

Potential relevance:

• The angled design of the GolfJoyTee promotes stickier flow on one side, similar to adding spin via backspin. This may similarly induce lift-generating pressure differences around the ball.
• The teed-up angle matches with common swing planes. So the augmented lift would act perpendicular to generate efficient trajectory rather than increased spin.
• Less dependence on spin could produce more consistent flight with straighter dispersion even at higher clubhead speeds.

In summary the aerodynamics research provides analogies between spin effects and how the GolfJoyTee’s angled configuration similarly improve flight. The shaped tee aims for aerodynamic benefits without requiring high spin rates. 
 Download reseach paper Aerodynamic Characteristics and Flow Pattern of a Golf Ball
with Rotation Katsumi Aokia,*, Koji Mutob , Hiroo Okanagaa

The paper demonstrates that maximizing drive distance requires carefully balancing launch angle, speed, and backspin. Small variations in these interdependent parameters can have a measurable impact on total carry and run.

This suggests the GolfJoyTee’s angled design could give golfers an advantage if it helps them achieve more optimal launch conditions. By elevating the ball precisely along the swing plane, it may promote the proper strike with an efficient transfer of clubhead speed.

The analysis shows lower loft is better for faster club speeds in high caliber players. But most average golfers do not optimize the loft for their tempo. By keeping the loft angle consistent, the GolfJoyTee essentially tunes itself to each golfer’s swing. This customized launch could lead to drives that minimize drag and maximize glide across all skill levels.

In essence, the paper reveals that driving distance hinges on coordinated timing to get the launch details right. The GolfJoyTee takes this timing guesswork out of the equation, automatically promoting the matched angle and direct clubface contact needed for less spin and longer carry. Let physics and anatomy sync naturally for your furthest tee shots with the GolfJoyTee system.

In summary, while not directly studied in the research, the GolfJoyTee’s design shows promising potential, based on the governing physics principles, to help golfers of all abilities achieve more optimal and consistent launch conditions for maximum drive distance.