Optimal Driver Numbers

kyle stanley

We would all like to drive the ball longer off the tee, yet far too often golfers search in all the wrong places to find more distance. There are three primary factors that will help you hit the ball further: a well fitted golf club; a stronger, more flexible and ultimately faster you; and a swing that delivers the clubhead to the ball in a manner that maximizes the force you are putting into the swing -  what I like to call efficiency. Where you get out what you put in. Here's a great example - on the PGATour David Toms swings at 104 mph and Stephen Gangluff swings at 120 mph, yet they average the exact same distance off the tee....hmmm?

Efficiency is the big fish and the area where most golfers can make the greatest gains. With this in mind I created (with the help of TrackMan) a chart that I like to use to show golfers how far they are capable of hitting the golf ball with their current club speed. The chart ranges from swing speeds of 65 mph to 105 mph and assumes no wind, flat terrain, normal ground conditions, sea level and  premium type golf balls. These distances can only be attained with an upward attack angle (+5 degrees) and fairly low spin rates - somewhere between 1900 - 2200 rpm.

Club Speed     Ball Speed     Launch Angle     Carry (yds)     Total (yds)

65 mph             96 mph            16.5                     136                    182

75 mph             111 mph           15.6                     157                    208

85 mph             126 mph           14.6                      193                   242

90 mph             133 mph           14.2                      209                   256

95 mph              140 mph           13.7                      225                   271

100 mph            148 mph            13.2                     242                   286

105 mph             156 mph           12.6                      259                   303

Keep in mind that the above numbers are achievable, but only in a 'best shot' type scenario. David Toms was the most efficient driver on the PGATour in 2012  and at 100 mph he would have averaged 278 yards per drive - very good for an average. Regardless of what our swing speed is we are all capable of this highly efficient delivery of energy from club to ball.

How helpful can this chart be to you? If you're a golf coach with TrackMan technology you can benefit from it immediately. As a golfer you would need to have a rough idea of what your club speed is followed by an honest assessment of how far your ball is travelling in neutral conditions. If you're noticeably shorter than you should be, seek out the nearest golf coach with a TrackMan and get to work.

You may have heard the term high launch, low spin....well, it really is what you should be after off the tee box.

Additional Resources:

Getting More Out of Your Driver | Andrew Rice Golf

Hitting Up or Down? Here's How to Set Up | Andrew Rice Golf

Can You Get Better in 20 Minutes?

I recently ran an interesting promotion where I offered golfers an opportunity to gain 10 yards if they participated in a twenty minute TrackMan session. The cost was $50 and if they didn't gain the yardage their session was free. This meant I had to be on my game and I had to make simple and effective upgrades to get paid...it's not often a golfer can take a lesson and only have to pay for the lesson if they see immediate results!

My reason for running the promotion was primarily to create interest and excitement in the new TrackMan unit and to give the Berkeley Hall membership a peek at what this technology can do for them.

I had eighteen golfers, eleven men and seven ladies sign up and I encouraged each of the participants to focus on the driver. In case a participant wanted to work with an iron I had them each bring their driver and a seven iron along.

When hitting the driver I try to get my students to have an attack angle of somewhere from 1 - 5 degrees up along with a club path of somewhere from 1 - 5 degrees from in to out.  I prefer that most golfers hit out and up on the ball creating a high launch, low spin trajectory with the driver. We all could benefit from a few extra yards, no?

Here is a compilation of points of interest from the day:

• The average swing speed for the men with the driver was 83.9mph. The top speed achieved was 96.1mph while the slowest was 70.1mph. Keep in mind that this event was promoted as a "distance" event and as a result the golfers who came out tended not be the longest of hitters.
• The average speed for the ladies with the driver was 65.6mph with the top speed being 73.4mph and the slowest being 60.3mph.
• Before any changes were made 11 out of the 18 golfers hit down on the ball at an average of 1.6 degrees with the driver.  After the changes had been made the same 11 golfers averaged 0.6 degrees up on the ball. Not bad...
• Before any changes were made 7 golfers (a surprisingly low number in my opinion!) hit from out to in at an average of 3.3 degrees with the big stick. This means that their club path was travelling 3.3 degrees left (for a right hander) of the target at impact. After adjusting, the same 7 golfers averaged 0.8 degrees from in to out - a very positive change.
• Prior to any changes 4 golfers hit too much (in my opinion) from in to out at an average of 6.6 degrees. After the changes they averaged 2.2 degrees in to out - a far more respectable number.
• Not every golfer gained yardage, although the majority did.  A few golfers actually lost some clubhead speed while they were working on the changes which were primarily in the address position.  It was interesting to note how some golfers adapted and changed easily while others had a tough time.
• The golfers with slower swing speeds tended to be more efficient, something I had already noted from the PGA Tour stat on Total Driving Efficiency and as a result it was quite difficult to get them make the "required" yardage gains. They were quite close to optimal already...
• Similarly, I found the ladies to generally be more efficient in transferring the energy they created to the ball than the men. I've also noticed that LPGA golfers also tend to be more efficient than their PGA Tour counterparts, particularly with the driver. The mantra seems to be "the more energy you create, the more likely you are to waste it!" It does not have to be that way though.
• Every golfer who attended the event improved in an important area regarding how they deliver the club to the back of the ball. Quite a few golfers did not gain 10 yards, but they all left feeling like they had the knowledge and feel they needed in order to realize longer tee shots.
• One lady had a fantastic golf swing with very efficient numbers, but, primarily due to her petite size, she was unable to generate much clubhead speed. She had an older, heavy driver with a 70 gram shaft and so I spent most of our time talking to her about what equipment (lighter = faster) suited her best and what exercises (Momentus woosh) she could do to increase her speed with the driver.  I'll be interested to see how she does with the new club.
• Almost all the participants commented that while the "numbers overload" from TrackMan was overwhelming at first, once we had isolated a particular problem (attack angle, club path, spin axis etc.) it seemed very simple. They were able to key in on one area and get a feel for how much change was required in order to reach their goal - all without much in the way of complicated, positional swing changes.
• The twenty minute time format worked well for the students and for me. They did not get overloaded with information and I had be concise and clear (for a change!) in what they needed to upgrade.

So, back to the question, "Can you get better in twenty minutes?" I would have to say an emphatic yes. With the right feedback mechanism, which TrackMan certainly is, and a simple approach, you can make fairly substantial changes in a short period of time. The important thing moving forward is that you practice the changes in order to gain a measure of comfort and confidence in them - and as we know, that takes more than twenty minutes.

Thanks for reading.