Golf instruction - what is essential to the swing and what is merely style?
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Golf Instruction - What is essential to the swing and what is merely a matter of style? A page for everybody who loves golf! Here I will discuss the swing, architecture, equipment, players and the general state of the game.
Shots struck off the ground need to be hit with a descending blow and shots struck off an elevated tee are better when hit with an upward blow- fact! While TrackMan stats for the PGA Tour may show that on average Tour players hit down on their driver (1.3 degrees), as mere mortal golfers, we need to make sure we are efficient and get the most distance we can out of the driver by hitting up on the ball. If you need some more convincing how about this: Golfer A swings at 90mph and hits 5 degrees down on the ball (-5 attack angle). Their average well struck tee ball goes 234 yards. Now, golfer B swings at 90mph and hits 5 degrees up on the ball (+5 attack angle). Their average well struck tee shot travels 256 yards- a gain of 22 yards while swinging the same speed! Ready to listen now....?
I have recently started noticing that many golfers actually set up to hit their irons in the same manner as their woods or vice versa. Ever wondered why so many of your playing partners are either good with the woods and not the irons or no good off the turf and solid with the driver? The answer is, is that there are two different types of swings. One that suits shots hit off the ground or close proximity to it and a swing that suits the upward, efficient hit of a driver off a high tee.
The picture above is an excellent illustration of what I have been seeing. Here, I have a student setting up to a driver and an iron. Notice any similarities? In case you're wondering the seven iron stance is on the right. They look decidedly alike don't they? The good news is that this was taken at the beginning of the lesson, she made the necessary changes and gained 14 yards with her driver while maintaining a solid descending impact with the irons.
It should stand to reason that if there are two swings then there should be two different set up positions. Here are the important differences...
Setting up for shots off the ground:
As in the picture at the top of the page the weight should be anywhere from a 50/50 split to favoring the front foot slightly
Your head should be centered between the heels
There should be very little spine tilt away from the target and as a result the shoulders will be fairly level
Setting up for shots off a high tee:
As in the picture below the feet are fairly far apart and there should actually be a little more weight on the back foot than the front foot
The ball is positioned inside the left heel and teed high
The spine should be tilting away from the target a little as you prepare to "swing uphill"
Set Up for an Upward Strike
The best teacher you have available to you to help with this is a mirror. You are now aware as to what it should look like, but you don't quite have the feel yet. Get in front of a mirror, set up so that it looks correct (your feel might have something else to say about it!) and take that with you to practice or play.
We all want to hit the ball straight and far of the tee don't we? In more technical terms our goals with the driver are to achieve the highest ball speed possible (distance), along with the desired flight pattern (accuracy). We want cake and we want to eat it too! There are numerous elements built into most drivers that often assist us in achieving these goals, yet so many of these small factors almost go unnoticed. Almost...
Factors in driver technology that influence distance are: length of club; shaft weight; head weight; loft; face material and thickness (CoR) and roll (vertical gear effect). Distance comes from our ability to convert clubhead speed into ball speed - often referred to as smash factor. Smash factor is an indicator of our efficiency at impact - are we getting out what we (our driver included!) are putting in?
It seems to be fashionable these days for club companies to stretch the length of their drivers to 46 inches and claim that they are "superfast". The laws of physics indicate they are faster, but in my hands any speed gains are sacrificed with a loss of control. Ben Hogan used a driver that was 42.5 inches long and nowhere have I ever read that he was a short hitter. Personally I am not a fan of anything over 45 inches as this seems to be my threshold where distance decreases and control and centerdness of hit diminishes. I believe beginning golfers could use a 43 inch driver with far better results.
Over the last decade shaft technology has come a long way and the most notable upgrade has been shaft weight. Miyazaki makes an incredible 39 Series driver shaft that can be as light as 44 grams - if you you cannot swing that faster then we have a problem. Barring feel and control issues I am a big fan of lightweight shaft technology and know it is something we should all take advantage of - even Keegan Bradley did.
In pursuit of the "lighter is faster" formula a few companies have sought to reduce the weight of the clubhead. Cleveland Golf has theirUltralight line of drivers that are the lightest on the market today. A little known fact is that we could actually hit the ball further with a heavier clubhead (with speed being equal). By increasing the mass ratio of clubhead to ball you can increase ball speed, however the problem here is that as you increase weight you decrease speed, so once again there is a threshold to consider. The good news is the club companies have done all the research for us and most driver heads fall somewhere between 197 and 212 grams - something we can all manage.
The loft of your driver is something that should be determined by an expert (someone who does this for a living!) fitter. A nice option with the new adjustable heads is that you can now alter the loft of your club without buying a whole new club. The more loft you introduce to the ball at impact the more spin and less ball speed you will create. The lower the loft, the more ball speed. One problem however - we would like to get the ball in the air and so, once again, there is a trade off. When it comes to loft, where possible, I encourage a golfer to go with less loft and show them how to overcome the reduction in launch angle by learning how to hit up on the ball. The golfer does most of the work here, but a reduction in loft can help with distance.
The coefficient of restitution (CoR) is the spring like effect the face has when it collides with the golf ball. As you might expect the highest CoR on the face is in the center with lower numbers working out from the there. Golf's governing bodies have made it a rule that this spring like effect cannot be higher than 0.83 and as a result all club companies have made sure that their equipment is right up against the limit.
The final, and perhaps most interesting, factor that increases the distance your driver makes the ball go is due to roll - no not roll on the ground, but roll on the face. Roll is the curvature of the face from top to bottom or crown to sole. Manufacturers include roll into the face design in order to create vertical gear effect on hits that are below or above center. A ball that is struck above center will actually spin less due to gear effect and as a result launch high with low spin - a winning formula for the long ball. Of course balls hit low on the face will spin more, but they more than likely need a little more air time. Please see Part 2 of this article for a full explanation of gear effect.
I know of no face design or treatment that increases distance - unless you're working the Chapstick for more than just your lips!
The most efficient a golfer could be with the big stick would be to have a clubhead and shaft that fits them in every way, hit the ballfrom the inside with an ascending blow and strike the ball slightly above the center of the face and a touch towards the toe. The reason to favor the toe - the toe of a driver travels about 14% faster than the heel of the club!
I love this PGATour stat that measures how efficient each player on tour is with the driver. It quantifies a player's average distance divided by their average swing speed. It also shows each players average swing speed - an interesting read.
Check back soon to learn about what the driver can do for your accuracy....
Andrew Rice Golf
Andrew Rice Golf. Providing golf instruction for all levels of golfers. Here you will find advice on golf instruction, golf course management and golf tips. Andrew Rice Golf is located at the Westin Savannah Harbor Resort and Golf Club. Three-Day Golf School information may also be found here.
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