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Golf Balls - Dimples |
Why Golf Balls have Dimples -
Dimples marked onto the surface of a golf ball are not simply for decorative purposes.
Golf ball dimples play a major role in determining the distance traveled by the golf ball.
Two of the principal effects of golf ball dimples are to increase lift and reduce air resistance,
which results in longer distances traveled and greater stability in shot trajectory.
Although golf ball dimples appear to be all alike to the untrained eye, they do in fact come in a variety of dimple patterns.
Their impacts differ depending on dimple alignment and the depth of depressions.
The number of dimples on a ball is also a consequence of alignment and depth.
The number of dimples generally range between 350 and 500 dimples per golf ball,
their numbers do not significantly affect distance.
Ideally, dimples should be spread evenly across the surface of the ball in recurring
combinations of one shallow and one deep dimple. If this cannot be done with precision,
golfers will lose distance on their shots, or find them veering to the left or right
even on shots where the ball has been hit squarely on center. All
golf ball brand titleist, callaway, nike,topflite,
Bridgestone, Maxfli, Dunlop have different dimples.
Dimpled golf balls travel further than smooth golf balls is because the dimples
on a golf ball create turbulence in the boundary layer. This actually helps
reduce drag and increase lift. The dimples actually scoop up air and move it
back towards the rear of the ball as the ball spins. By moving more air to the
rear, you can -- in effect keep the air pressure behind the ball from dropping.
By doing this, the amount of air pressure pulling backwards on the ball is
decreased creating less drag.
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