Golf Driver Technology
As golfers are seeking every advantage to reduce their handicaps
to single digits, they are turning to the latest in golf club technology
to overcome golf swing technique shortfalls.
Golf driver technology is a combination of head and shaft.
Golf Driver Head
The golf driver head can be either made of steel, titanium or a
composite material the combines non-metal materials with titanium.
Steel headed drivers are slightly less expensive but heavier than
titanium drivers. Due to the increased weight of the steel and its
relative weakness, the head of a steel driver is smaller. Golf drivers
made of steel are extremely durable and offer a solid, consistent
The titanium driver head is probably the biggest breakthrough in
recent golf technology. The light weight of titanium allows larger
headed drivers, which both increases the sweet spot and the forgiveness
of the club. The forgiveness means that a decent shot can still
be achieved from an off centre connection. This is one place where
technology out drives technique. Titanium is currently the most
expensive golf driver material, but it is long lasting and resistant
to impact damage or corrosion.
In an attempt to get the weight of the driver head even lower,
thereby enabling the size of the head to be even bigger, composites
such as carbon were introduced. Carbon is generally used for the
crown of the club and the entire rear section, with a titanium face
giving more weight and strength to the driver at impact point. By
using the weight differential between the two materials, the centre
of gravity of the club head can be positioned nearer the face, giving
more forgiveness and a larger sweet spot.
Golf Driver Shafts
Golf driver shafts are either made of steel, graphite or multiple
Steel shafts are stronger, more durable and generally less expensive
than graphite. Steel shafts are best suited to mid level golfer
with normal swing speeds. The provide better shaft to shaft consistency
and more control. Being heavier, the steel shaft requires a faster
swing speed to effect the same driving distance as a graphite shaft.
Lady golfers and seniors who cannot produce a fast enough swing
speed to use a steel shaft, have better results with graphite shafts.
Being lighter than steel, they produce greater swing speed, giving
more power to the shot. Unfortunately this comes at a cost. The
flex generated during the swing results in less control. Graphite
shafts are more expensive and less durable than steel shafts, but
with a range of flexes, they are popular with professionals and
amateurs alike. Many players also find that the vibration absorbed
by the shaft reduces occurrences of tendonitis.
Multi-Material shafts are the most recent addition to the shaft
selection. The shaft is typically mainly steel with a graphite tip.
The steel section gives better ball control, whilst the graphite
tip gives just the right amount of whip action to propel the ball
further. The graphite tip also helps filter out unwanted vibrations
at contact, giving more feel to the shot.
Once you have determined your preference for head and shaft materials,
the design factors come into play. There are some R&A limits
here to consider.
The design factors include: head size, launch angle, COR, length
and weight, and weighting.
Head Size - The maximum permitted head size [everything
below the shaft], set by the R&A is 460cc.
Launch Angle - the angle from the ground at which
the ball is struck into the air. Most drivers will have a launch
angle of between 11 and 18 degrees. The lower the angle, the easier
the hit, but shorter the distance. Most mid handicap players use
a 9-11 degree angle. The perfect launch angle will maximise both
carry and roll.
COR – [Coefficient of Restitution] is the
amount of energy transferred between the clubface and the ball at
impact. The higher the COR, the more energy is retained and the
ball rebounds further. A perfect COR would be 1.00 [100%]. The USGA
and the R&A Tour professional maximum COR is 0.83. The R&A
allows drivers to be used in general play by amateurs to have a
maximum COR of 0.89 up until 1 January 2008.
Length & Weight - the length of drivers are
typically 43 to 47 inches long. The longer the length of your driver,
the greater its driving distance, and the less control factor. Long
drivers are only recommended for low handicap players. The lighter
the driver, the faster the swing speed, again producing more distance
and less control.
Plugs and Weights – the latest driver technology
is the use of plugs or weights in the driver head. Tungsten inserts
placed behind the face of the driver add to the sweet spot; the
position of the weight affects the way in which it works. The further
the weight is away from the face, the higher the ball flight Weights
are generally removable, with up to four weights placed giving different
shapes and velocities. The Rules of Golf do not permit weight changes
during a round, but can be played between rounds to adjust the ball
flight for different wind conditions.
It seems that technology has been winning the game a little too
much for R&A. A recent announcement that the rules will be changed
to “restore the historic importance of driving accuracy in
the game based on extensive research into the effect of club face
groove markings on spin generation for balls hit from the rough”.
Whilst this is not directed at drivers as such, it does indicate
that the rules of the game are going to keep it as fairly matched
to skill as possible. Read
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