GOLF RULES

Golf Ball Regulations

The rules of golf place certain constraints on golf ball performance in order to maintain consistency and the integrity of the game.

There are several golf rules implemented on clubs that effectively control what the golf ball can do. These rules restrict C.O.R. (golf ball speed) M.O.I. (side spin and consistency) and grooves (wedge spin).

Dimensions

Basic physical limits exist for all golf balls used in tournament play. The main purpose for this is to help restrict performance.

The golf ball can be no smaller than 1.680” (42.67mm) in diameter.

The golf ball can weigh no more than 1.620 ounces (45.93g).

The golf ball must be symmetric, and a such cannot be designed, manufactured or altered such that it has different properties based upon its orientation.

Initial Velocity

There is a limit on the initial velocity a golf ball can generate. This rule is equivalent to a C.O.R. limit on golf clubs.

The governing bodies of golf use a special machine to test the initial velocity of every golf ball. The machine is a large spinning wheel with a club-like paddle hat can be released to hit the golf ball.

Golf ball speed is an important launch condition for distance. This golf rule is intending to limit distance.

Total Distance

The rules of golf limit the total distance as well as initial velocity. Golf balls are only allowed to travel a certain distance under certain criteria.

Historically this limit was measured using a robot and stock club. As technology improved the test has been updated and now nearly the entire process is simulated virtually.