What is COR?
Coefficient of Restitution Golf Club Technology

Coefficient of Restitution, or COR, is a scientific term for a measurement for how much energy a given head transfers to the ball at impact. Top physicists argue that the ball has left the club head long before the club face actually "bounces back."

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Core Club Coefficient of Restitution (COR) golf club technology exhibits these traits:
• The ball speed off the face is comparably much faster.
• The distance the ball travels is increased
• The spin rate is usually reduced (this can also contribute to increased distance, as long as the launch angle is optimized).
Taking into account what physicist have to say, COR should, perhaps, be taken with a grain of salt.

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