Q & A | 常见问题

 

Club Fitting Q/A
 
1. What does swing weight mean, and what affect does it have?
  With my involvement in club fitting for some 15 years, I have found swing weight to be one of the most misunderstood terms in club fitting firstly by the golfer and also by the club fitters themselves.
  Having been in so many discount golf shops i have seen many dusty old swing weight scales in the corner with a customer placing a club on it trying to work out what it really means and what effect it has, then to confuse matters the sales person rattles off terms such as D1, D3 and so on.
What it is?
 Swing weight in simple terms is the weight /balance relationship between the head and the grip ends of a golf club and is measured on a specialized balance scale known as a swing weight scale.
                                               
Swing weight scale
 
What it does?
 Swing weight is important in maintaining the balance between the head and grip ends of a club. If excessive weight is added to the head of a club, a player will have the feeling that he will have the “heft” the club in order to swing it properly. This could lead to a jerky swing and will most likely cause inconsistency. Fatigue will result more quickly from swinging clubs with heavy swing weights. Lighter swing weights are the result of removing weight from the club head or adding weight to the grip. Clubs with very light swing weights often lack feel.
 In years past swing weight were somewhat uniformed through the industry. most men’s clubs were D-2,while women’s sets were C-9.With the advent of composite materials for shafts, lighter weight metals for heads (namely titanium) and longer club length’s as a result of these two factors, swing weight is no longer such an important parameter in individual clubs. For example, if a player wants a 45.5 inch driver at D-0 swing weight, the likelihood of him finding that is slim. The club will most likely be in the higher “D” range of swing weight. But due to the balance of today’s components, the club will not feel heavy and will perform in the manner in which it was designed. This is due in large part to the lighter weight of the modern golf shaft. Thus when it comes to drivers and individual woods, swing weight is no longer considered to be a major factor in their selection.
 When it comes to irons, the swing weight of all irons in a matched set should be the same, with exception of the wedges, which will be heavier. as the irons are designed for consistent distance between one another, having them all the same swing weight(and feel) will allow this consistency from club to club to be easier to achieve. Wedges will be heavier in swing weight as they are often used in bunkers; heavy grass etc.The heavier weight allows them to cut through these conditions.  
 
2. What is the Lie angle of a golf club mean, and what effect does it have?
Definition: The lie angle of any golf club is the angle formed between the centre of the shaft and the ground line of the club when the club is soled in its proper playing position (as in at address)
 
 
 

Lie angles almost always range from the mid-50 degrees to the mid-60 degrees. Long irons have lower lie angles (referred to as "flatter"), while short irons have larger lie angles (referred to as more "upright").
                                
Finding the proper lie angle to fit a golfer's swing is an important part of the club fitting process. Taller golfers tend to require larger lie angles while shorter golfers tend to require lower lie angles in order to make the best contact with the ball.
What happens if the lie angle of your clubs is ill-fitted for your swing? The clubface will wind up in an improper position at contact, resulting in poorer shots. If a club is in a toe-down position at impact (the toe scraping the ground with the heel up off the ground), it is sign that your clubs have a lie angle that is too flat (meaning, too low of an angle). If a club is in a toe-up position at impact (heel on the ground but toe up off the ground), it is a sign that you have a lie angle that is too upright (meaning too great of a lie angle).
 
The Lie angle can be easily tested by hitting a few shots off a lie board and assessing the point of contact on the sole of the club, adjustments can be made on the spot by the use of a lie loft Machine.

 

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Lie Loft machine
 
3. What Loft do I need on my Driver does the lower the loft mean the further it goes.
 This is an area I find so difficult at times being a teaching professional combined with a custom club fitter. Often I will get a student that says I can’t hit the Driver, let’s firstly understand the least amount of loft on a golf club the more difficult it is to hit combine this with the longer the golf club is yet again the more difficult it is to hit. These two factors alone make the driver the most challenging of all golf clubs.It can be a balancing act where the problem lies is it  equipment or technique? myself having a foot in both sides (teaching and club fitting) it is so obvious to see firstly the student is using an unsuitable driver for them or it’s a technique swing related problem.
There is a few things need to be considered on the golfers side of things.
1. The Golfers Swing speed
2. The Golfers Angle of Attack
3. The Golfers swing Shape/ball flight patterns
 
Swing Speed:   This simply means at what speed the golfer swings the club. This can be tested by a Launch monitor or a simple swing speed monitor.
Launch angle: This means at what angle the golfer attacks the ball. Do they have a downward angle of attack, Level angle of attack, upward angle of attack?
Swing shape/ball flight:


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