What is characteristic time (CT) in driver testing?
CT measures how long a golf ball stays on the face of a driver upon impact. If the ball remains on the face for more than 257 microseconds, the club is considered nonconforming.
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Golf / Equipment
USGA Stands Firm on Driver Testing Amidst Player Concerns
Amidst growing concerns from professional golfers regarding driver conformity, the USGA has affirmed its commitment to its current testing protocols. This decision follows instances of high-profile players like Scottie Scheffler and Rory Mc...
Key Insights
- USGA CEO Mike Whan stated that the governing body has no plans to change its driver testing approach, citing that current failure rates are minimal and don't warrant increased scrutiny.
- Driver testing focuses on characteristic time (CT), measuring how long a ball stays on the driver face; a club is deemed nonconforming if the ball remains for over 257 microseconds.
- Bryson DeChambeau supports the USGA's current testing methods, noting that his drivers are tested frequently due to his high swing speed and use of Krank drivers.
- Some LIV golfers, including Patrick Reed and Matt Jones, have suggested flaws in the system, with claims that players may submit backup drivers for testing to avoid issues with their primary clubs.
- There are concerns among LIV players that testing is not consistently applied across the field, raising questions about fairness.
In-Depth Analysis
The USGA's driver testing process has come under scrutiny following incidents at the PGA Championship, where drivers used by Scottie Scheffler and Rory McIlroy were found to be nonconforming. The characteristic time (CT) test, which measures the spring-like effect of a driver's face, is the primary method used to ensure clubs meet regulations. According to USGA CEO Mike Whan, the organization tests around 30 drivers at each PGA Tour event and finds minimal failures.
However, this stance hasn't quelled concerns among players. Xander Schauffele has advocated for testing every driver and recording serial numbers to prevent the use of 'hot' drivers. LIV golfers such as Patrick Reed and Matt Jones have voiced suspicions that some players submit backup drivers for testing, potentially circumventing the process. Reed also highlights the uncertainty that testing adds during major tournaments, as players worry about their driver's conformity.
Bryson DeChambeau, known for his meticulous approach to equipment, supports the USGA's methods and says his drivers are tested regularly. He typically goes through two driver heads per month due to wear and tear from his high swing speed. Other LIV players, like Richard Bland, question the fairness of only testing a sample of players, suggesting that longer hitters like DeChambeau might be tested more frequently than others. Despite these concerns, there is general agreement among LIV golfers, including Sergio Garcia and Dustin Johnson, that driver testing is necessary to maintain fair competition.
FAQ
How often are PGA Tour golfers' drivers tested?
According to USGA CEO Mike Whan, drivers are tested two or three times per season, with about 30 drivers tested at each tournament.
What do LIV golfers think about driver testing?
While some LIV golfers support regular testing to ensure fair play, others have raised concerns about the consistency and fairness of the current testing methods, suggesting that not all players are tested equally.
Takeaways
- The USGA is maintaining its current driver testing protocols despite calls for more stringent measures.
- Driver testing focuses on the spring-like effect of a driver's face, measured by characteristic time (CT).
- Some professional golfers have concerns about the fairness and consistency of current testing methods, with potential loopholes that could be exploited.
- Regular driver testing is seen as important for maintaining fair competition in professional golf.
Discussion
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