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What Exactly is Moment of Inertia (MOI)?!

20th February 2008

What Exactly is Moment of Inertia (MOI)?!

posted in golf advice, how to |

Nike High MOI Clubs

With all of the new drivers that have been released recently, we consumers are constantly told how great a club’s Moment of Inertia (or MOI) factor is compared to other drivers. Well, what exactly is MOI and what does it do for my golf game? Is this just marketing speak or is this a real term that you need to be aware of as a golfer?

In the golf sense, Moment of Inertia refers to how a clubhead resists to twisting from center when contact is made with the ball. For instance, if you have a less than perfect swing and you strike the ball off the toe of the club, a clubhead with a higher Moment of Inertia factor will not twist as much because of the mishit. This gives your ball a much better chance of flying further and straighter than if your clubhead had a lower MOI factor. Moment of Inertia is increased by club manufacturers by manipulating the size, shape, and weight of the clubhead.

If you are a higher handicap golfer, a higher MOI club will greatly improve your golf game - especially your position off the tee. These clubs are more forgiving and will increase the likelihood that your mishits are playable. However, if you are a low handicap golfer, you may want to steer clear of higher MOI clubs because they reduce your ability to really shape the ball’s flight path off of the tee. If you’re interested in one of these high MOI clubs, the Nike SQ Sumo Squared 5900 and Cleveland Hibore XLS drivers are two of the more popular newer models that you might want to consider.

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