Glossary/Equipment/Coefficient of Restitution

Coefficient of Restitution

Equipment

This is the efficiency of energy transfer from one object to another. With regard to drivers, this is the efficiency of the clubhead in transferring energy to the ball. The Legal COR limit set by the R&A and USGA is 0.83.

Related Topics

equipmentphysics

Related Terms

Driver

The longest golf club. It is usually 43 to 45 ½ inches long and has a loft that varies from 7 degrees to 14 degrees. The head size is generally between 300cc and 460cc although they used to be considerably smaller.

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