Golf Club FAQ's by Jeff Summitt, Hireko Technical Director
According to The
Rules of Golf, we are allowed to carry up to a maximum of 14 clubs in the
bag during a round of golf, although there is no rule that pertains to using
fewer clubs. The purpose of having multiple clubs has to do with the distance
each are hit from as each club has a different loft or angle to the face to
provide a higher or lower trajectory. In addition each club is made at various
lengths which also has an influence on the overall distance you can hit the
ball. On a regulation sized golf course there will be times that you are going
to need all of the clubs in your bag in order to effectively hit the ball from
all the possible lies and positions you may encounter that day. However, some
days you may use only half of them.
What
Is A Golf Club Driver? (Normal 1 In Your Bag)
This is also referred to as a tee club because this is the one club that is
designed to be hit with the ball elevated off the ground with a tee. This club
is designed to hit the ball the longest as the driver has the lowest loft and
longest in length. Drivers range in loft from 7.5° to 15°. The average lofts
for men range from 10° - 12°, ladies 12 - 15°, while touring professionals and
long drive competitors below 10°. The driver is a single club, no more than
one is needed.
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What
Is A Golf Fairway Wood? (Normal 2-4 In Your Bag)
These clubs are designed to be hit from long distances away on approach shots
for par 4 and 5's. These can be played off a tee too, but normally they will
be played off of the fairway or out of the rough. Most golfers carry at least
2 fairway woods, usually the #3 and 5-woods, but higher lofted versions are
available to replace irons to be hit from a much shorter distance, especially
for lady and senior male golfers who enjoy the addition of #7 and 9-woods.
What
Are Golf Club Irons? (Normal 3-7 In Your Bag)
Irons are the thin, elongated clubs in the bag. These are used to hit from the
intermediate lengths between that of fairway woods and wedges. These are designed
to be hit off the ground and have varied loft angles to hit the ball different
lengths. The lower lofted or lower numbered clubs like the #3 and 4-irons will
hit the ball the furthest of the irons, but may be more difficult to get the
ball airborne and hit toward your target. The mid-lofted irons are the #5, 6,
and 7-irons, while scoring irons or the shortest hitting of the irons, #8 and
9, are the easiest to hit. It used to be customary that all golfers would carry
the 3 through 9 irons, but with the advent of hybrids (see below), that is not
the case anymore.
What
Are Golf Club Hybrids? (Normal 0-3 In Your Bag)
Alternatives to irons, these clubs look like a cross between irons and mini
metal woods. These are designed to replace often hard-to-hit irons in the bag.
As a beginner, consider not even getting a 3, 4 or even 5-iron and look at adding
a hybrid or two.
What
Are Golf Club Wedges? (Normal 2-4 In Your Bag)
If you are starting out, you are bound to miss a lot of greens on approach shots
and require you to get the ball close to the hole from around the green. Wedges
are the highest lofted and highest hitting clubs in the bag and designed to
go the shortest distance to have the ability to stop rolling and land close
to the hole. Wedges are sometimes hit as full shots, but many times as less
than full finesse shots as a way to land the ball softly. One particular model,
the sand wedge, was designed specifically to hit the sand trap, but you will
find this club useful on a number of other shots such as from the deep rough
around the green. The other wedges, a PW or pitching wedge is the club that
comes right after the 9-iron and is an important addition to any bag. There
is also a GW or gap wedge which bridges the gap in distance from the PW to the
SW. A LW or lob wedge has the highest loft and goes the shortest distance on
full shots of any club in the bag. This particular club will be more beneficial
to higher skill level golfers as many beginners will end up hitting the ball
short of their target with this club.
What
Are Golf Putters? (Normal 1 In Your Bag)
Approximately 40% of all your shots during a round will be encountered on the
green, so the putter is considered the single-most important club in the bag
and only one is truly necessary to carry. Putters come in all shapes and sizes
and are designed to be specifically on the short grass of the green.
What
Is A Golf Chipper? (Normal 0-1 In Your Bag)
This is a club designed to be hit short distances around the green and can be
considered a lofted putter as the stroke that is used is similar to it. This
is not a club that you will find in many golfers bag, but is listed as some
golfers might find this to be useful utility-type club. Over time, golfers will
accumulate a collection of clubs in their garage or basement that they do not
use anymore for a variety of reasons. Starting out playing can be intimidating
with all the different choices available. To purchase some sets, you may be
forced to buy the full compliment of clubs instead of picking or choosing like
you can on Hireko's website. But once you start playing more often you will
get a feel of what type of clubs you hit better than others. Some golfers will
find wider soled fairway woods to their liking more so than irons. You may end
up trying a friend?s or fellow player driver, hybrid, putter, etc and find it
better than the clubs in your bag. Regardless, finding the right clubs for you
will become an evolving process.
CLUBHEAD
MATERIAL DIFFERENCES
Golfers have many
options available to them regarding club head materials. To a newcomer to the
game this can also be confusing on why one would select one material over another.
So, let us explain the difference in the materials and why they might be used
for the various golf clubs.
Titanium
The use of titanium for golf clubs came from the technology used in the aerospace
industry. The first golf
clubs made from titanium date back to the early 1990?s and quickly became
the material of choice for driver heads due to the high strength-to-weight ratio.
Titanium is lighter than stainless steel and allows the designer to manufacturer
a much larger club head that meets the weight specifications of a normal driver.
The strength of the material has increased durability for even the strongest
golfers in the world.
There are many
different titanium alloys (materials added to the raw titanium) to change both
the weight and strengths requirements. With driver heads reaching the maximum
volume of 460 cubic centimeters, the most common alloy is 6/4 Titanium, by which
90% of the material is titanium, 6% is aluminum and 4% is vanadium. There are
many other alloys or grades of titanium (sometimes called Beta Titanium) such
as 15-3-3-3, SP700, 10-2-3, etc. available to the club designer. If the higher
grade of titanium is used, then it is normally for the face material only and
not the entire head.
The United States
Golf Association (USGA) and the Royal and Ancient Golf Club of St. Andrews (R&A)
? the two governing bodies in golf ? established rules for how fast
a ball can come off of the club face of a driver. Most manufacturers make drivers
that go to this limit without exceeding it, so there really is no advantage
of one material over another. Typically, smaller drivers (under 400cc) would
utilize the higher cost beta titanium to increase how fast the ball comes off
the face. But with clubs in the 460cc range, standard 6/4 titanium will besufficient
material for the maximum allowable ball speed.
Titanium can also
be used in other clubs, but normally you do not see it much for a couple of
reasons. First, titanium is much more expensive than stainless steel used in
fairway
woods, hybrids
and irons.
Second, the reason for titanium is for the strength and lightweight nature.
If a fairway wood was made with titanium, it would normally be made much larger
in size to achieve a normal weight. By doing so, the head becomes much taller
and makes it effectively harder to hit off of the fairway. The same can be said
for titanium irons. However, you will see some irons with a titanium insert
as a way of increasing the ball speed at impact verses an all stainless steel
clubhead.
Stainless
Steel
Stainless steel is the most used material in golf. The material is generally
inexpensive and easy to cast into all the shapes that you see golf clubs made
plus durable enough for everyday play.There are two main types of stainless
steel used in golf club heads. One is 17-4 stainless steel (comprising of no
more than 0.07% carbon, between 15 an 17% chromium, 4% nickel, 2.75% copper,
and 75% iron and trace elements). 17-4 used primarily for metal woods, hybrids
and some irons. The other type of stainless steel is 431 (comprising of no more
than 20% carbon, 15-17% chromium, 1.25 ? 2.5% nickel, and the remainder being
iron and a few trace elements). This grade of stainless steel is used for irons
and putters.
The majority of
fairway woods today are manufactured from 17-4 stainless steel. Drivers can
also be made of 17-4, but due to the high density of the material, the limit
on size is approximately 250cc without the risk of cracking during normal play.
Because golfers prefer larger, easier-to-hit drivers, few drivers today are
even manufactured from stainless steel. Investment cast irons can be made from
either 431 or 17-4 grades. The 17-4 is slightly harder of the two. This allows
the 431 to be adjusted for loft or lie a little more easily, but other than
that, there is no one greater advantage of one verses the other.
Specialty Stainless
Steel (Maraging Steel)
Another more recent addition to the number of materials used in golf club head
manufacturing is maraging steel, which is an alloy or family of steel with unique
properties. Typically maraging steels are harder than non-maraging steels like
431 or 17-4 and used primarily for face inserts rather than the whole head.
A driver head can be produced wholly from maraging steel, but there is still
a limit on the size of the head (roughly in the low-300cc range). Plus the cost
of the head would not be that much less expensive than one made from titanium.
Since the maraging
steels are harder, the face insert can be made thinner than the normal stainless
steel graded used in golf. As a result, the ball coming off the face will have
a slightly high ball velocity upon impact. Maraging steels are more expensive
to produce, therefore would be more in the premium price range, which is the
trade-off for the higher performance.
Aluminum
Aluminum is a much lighter material than stainless steel. Early metal woods
made from aluminum back in 1970?s and 80?s were not very strong or
durable. This caused these low cost club heads to gain a bad reputation for
easily scratching and denting that still carries over today. However, the aluminum
alloys today are much better than those used in the past and the head sized
can be made to the maximum size for drivers (460cc) under the Rules of Golf.
Heads manufactured
from aluminum are much lower in cost than even stainless steel, which makes
these clubs more affordable and ideal in woods of starter sets or junior sets.
The only downside to the aluminum is that the walls have to be made thicker
as not to crack or cave in. Therefore the ball speed coming off the face would
be less than a comparable titanium driver.
Carbon Graphite
Carbon graphite is an extremely lightweight material and can be used to create
a wood (usually with some sort of metallic soleplate for durability and additional
weight). Few clubs today are produced primarily from carbon graphite; however
there are a number that incorporate the carbon graphite material in the design.
Carbon graphite
is less dense than any other material used in golf and a perfect choice to replace
the top shell (or crown or top of the head). The weight savings from incorporating
the carbon graphite in the crown, allows additional weight to be repositioned
elsewhere in the heads in order to improve the design. Heads made from or partially
from carbon graphite demand a premium price and can be found, not only in drivers,
but fairway woods and hybrids as well.
Some of which are
intentionally un-chromed to rust through normal use. The idea behind the unplated
carbon steel wedges is softer feel and supposable greater spin. Irons, wedges
and putters produced from carbon steel will be more expensive than stainless
steel.
Zinc
Heads produced from zinc are the least expensive of all the materials. Used
mostly for irons, wedges and putters in both starter sets and junior sets, zinc
heads are less durable than their stainless steel counterparts. Zinc heads can
be identified by their non-magnetic properties and their larger-than-normal
hosel diameters.
Wood
Wooden woods are rarely found as a club head material option anymore as it has
lost favor amongst golfers to titanium drivers and stainless fairway woods.
For more technical information, visit our Technical
Index Page, Blog or Golf
Forums. Also, Hireko offers FREE! Technical Service at 800-942-5872.
Other Technical
Articles of Interest:
- What
is the Stimpmeter?
- Custom
Fit Golf Clubs - What is the Fitting Process?
- Understanding
the Golf Handicap System
- Why
Custom Made Golf Clubs Are Superior to Off-the-Shelf Clubs
- How
to Read a Golf Scorecard
- Golf
Terms & Glossary
- Why
Custom Golf Clubs Will Improve Your Game
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