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Golf balls spin
Why do new multilayer golf balls used on tour spin
less than the old tour golf balls off the driver but spin the same as the old
wound golf balls off the wedge?
During the collision between the driver and the golf ball (which lasts for
less than half a millisecond, 200 times faster than you can blink your eye),
there's an average force of 1,500 pounds being applied to the golf ball.
This
violent collision compresses the golf ball to about two-thirds of its diameter.
The cover thickness is less than 3 percent of the size of the golf ball but
doesn't much influence the outcome of this collision.
Two-piece golf balls, which have been on the
market for many years, will spin less and go a little farther off the
driver than the soft, wound balata golf balls that were used on tour until five
years ago.
The hard-core two-piece golf ball will spin about the same as the
wound golf ball off the wedge only if it has an extremely soft and relatively
thick cover. But such a cover reduces the golf ball's distance off the driver.
The trick is to get a
golf ball to spin less than a
wound golf ball off the driver
but the same as a wound golf ball
off the wedge. A
multilayer golf ball will do this because it has a soft core (for speed off the
driver face) surrounded by a hard mantle and a thin soft cover.
The mantle reduces spin off
the driver, and the
cover, too thin to influence
driver launch conditions, is
soft enough to significantly
influence the spin off the
wedge.
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The collision between the
wedge and the soft cover,
less violent and more oblique than with a
driver, generates more spin. Thus,
designers combined new
materials with a better
understanding of the synergy
between golf ball and club to
create a more efficient
multilayer golf ball.
Frank Thomas, technical
director of the USGA from
1974-2000, is Golf Digest's
Chief Technical Advisor.
E-mail him at equipment@
golfdigest.com.
COPYRIGHT Golf Digest
Companies and Gale Group
Golf
balls
You'd be surprised at the
technology embedded on golf
balls. From feather
stuffed leather pillows to
two-piece low compression
process that affords long
distance on low power to
multiple icosahedrons that
provide airlift… you’d be
pretty convinced that NASA
engineers are the ones
providing this technology.
For a diminutive golf ball that
has embedded the technology
of rocket science, golf balls have quite a history
run. And adequately saying,
too, that every time a golf
ball comes out with a
radical science the rules of
the game also changes.
The first golf ball was a
leather one stuffed full of
chicken and goose feather.
Tightly stitched, these golf
balls do provide a nice
rolling in the green until
they fall apart in a shower
of feathers. These golf balls are
very expensive due to the
meticulous process of
boiling feathers and
stitching the golf balls together
by hand so that they don’t
easily fall apart. You see,
from the beginning golf was
intended to be played by
royalty.
The next deviant golf ball was
Gutta-percha latex; a sap
derivative from a tree of
the same name.
Chemically, Gutta-percha is
polyterpene somewhat similar
with rubber but with harder
characteristics and non
brittle besides. The
Gutta-percha golf balls did
revolutionize the game,
affording an improved
rolling over the green,
resistance to water (the
feather leather golf balls
do tend to get heavy
especially when water
penetrates the core), and
eliminated the feathery
showers much to the ladies’
displeasure.
Later, when a bungling
Gutta-percha golf ball maker
released a batch of poorly
formed golf balls, which in
fact made a truer flight as
observed by the players,
such golf balls with
patterns and impression
became the newest radical
concept. Hence, golf balls
in production began to be
formed on molds and presses
that created an even
pattern.
Later on, during this spree
of testing the most
aerodynamic design, the idea
of the dimple pattern was
realized and the first
dimpled golf balls were used
in 1908.
The first modern golf ball
appeared on January 1, 1939.
Now complete with
standardization of weight
and size by the United
States Golf Association and
the Royal and Ancient Golf
Club of St Andrews, golf
balls of the modern age are
of rocket science. Titanium
compounds, a hybrid of
several technological
breakthroughs, pressurized
core to convert minimal
energy into explosive
energy, golf balls have more
technology implanted on them
than golf clubs would ever
have. And they are still
intended to be played by
royalty but without those
showers of feathers of
course.
About The Author
Milos Pesic is an avid
golfer and owner of popular
and comprehensive Golf
Information web site. For
more articles and valuable
resources on Golf related
topics, Golf lessons and
instructions, Golf products
and more visit his site at:http://golf.need-to-know.net/
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golf balls
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