A golf club including at least one component with a construction that includes a composite material with color/metallic coated fibers. In some embodiments, at least a portion of an outer surface of the golf club head is defined by a layered structure including color/metallic coated fibers. The layered structure may include a non-woven composite layer comprising a plurality of unidirectional fiber composite plies and woven composite layer disposed over the non-woven fiber composite layer and including color/metallic coated fibers. In some embodiments, an optically transparent coating may be disposed over the woven composite layer. In some embodiments, the color/metallic coated fibers may be electroplated fibers.

A golf club head and golf club having a large volume, large head dimensions, and/or large face characteristics, as well as unique mass property attributes driven by relationships not often considered in conventional club head design, to achieve a resistance to squaring the club head during a golf swing that is comfortable to the novice golfer, stability during off-center impacts, and preferred launch characteristics. This is achieved in part via establishing a club head configuration and associated center of gravity location that results in a preferred magnitude of Delta1 and Delta2 values, CG angle, moments of inertia, and associated ratios, relationships, and club head mass property characteristics influenced by these variables, to account for the scale of the club head and achieve improved performance.

Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a set of golf club heads includes a plurality of golf club heads with ach golf club head having a distinct loft angle ranging from 19.5° to 47°. Each golf club head produces a loudness as a result of striking a golf ball at a predetermined golf club head speed. The loudness is in sone units and is based on a sound pressure measurement performed at a predetermined sampling rate and taken for a fixed duration of time with a microphone placed directly above the golf ball at a fixed vertical distance. For a golf club head speed of 80 mph, the loudness of each golf club head ranges from 82.58 to 92.76 sones and is inversely related to loft angle. For a golf club head speed of 85 mph, the loudness of each golf club head ranges from 86.85 to 97.07 sones and is inversely related to loft angle. For a golf club head speed of 90 mph, the loudness of each of golf club head ranges from 92.90 to 101.82 sones and is inversely related to loft angle. Other examples and embodiments may be described and claimed.

A golf practice device is disclosed to derive a proper stance and swing form of a golf club. The device to be installed on a shaft of a golf club with a club head, comprises a fixing part to be installed on the shaft and including a bearing part formed at a part thereof, and a shaft part to be fitted in the bearing part. In a state where a longitudinal direction of the shaft is horizontalized and a toe side of the club head is located on a ground side, the fixing part is installed at a center of gravity position of the entire golf club, on the shaft, and one end in an opposite side of the bearing part in the longitudinal direction, of the shaft part faces a vertical direction with respect to the longitudinal direction of the shaft to point a core of the golf club.

Methods of manufacturing a golf club head comprising one or more stiffening members proximate the face, and particularly solid rods or a plate with one or more cutouts, is disclosed herein. One method comprises the steps of preparing a wax mold of a golf club head including a plate stiffening member with excess material, casting the golf club head, and machining away the excess material. Another method comprises the steps of casting a golf club body, providing a plate stiffening member, providing a face component such as a face cup, tack welding the plate stiffening member and the face component to the golf club body, and welding these parts together.

An iron-type golf club and a method of creating the iron-type golf club including the steps of forming a club head blank having an external sacrificial region with an ESR thickness, an ESR sole portion, an ESR face portion, and an ESR leading edge portion. A finished club head is formed having a finished club head weight of less than 310 grams by machining off an ESR removed mass from at least a portion of the external sacrificial region including at least a portion of the ESR sole portion, a portion of the ESR face portion, and a portion of the ESR leading edge portion.

An iron-type golf club and a method of creating the iron-type golf club including the steps of forming a club head blank having an external sacrificial region with an ESR thickness, an ESR sole portion, an ESR face portion, and an ESR leading edge portion. A finished club head is formed having a finished club head weight of less than 310 grams by machining off an ESR removed mass from at least a portion of the external sacrificial region including at least a portion of the ESR sole portion, a portion of the ESR face portion, and a portion of the ESR leading edge portion.

An apparatus for precisely and accurately measuring the loft and lie of a golf club, and a method of using such apparatus, is disclosed herein. The apparatus includes a clamp assembly powered by a pressure unit to immobilize the head of a golf club, a scoreline measurement unit to capture scoreline angle information, loft and lie measurement arrays that can be moved along horizontal y and x axes to capture loft and lie angle information of the golf club shaft, and a computer with an algorithm that uses information captured by the scoreline measurement unit and loft and lie measurement arrays to calculate final loft and lie angle values that are accurate within +/−0.125°.

An apparatus for precisely and accurately measuring the loft and lie of a golf club, and a method of using such apparatus, is disclosed herein. The apparatus includes a clamp assembly powered by a pressure unit to immobilize the head of a golf club, a scoreline measurement unit to capture scoreline angle information, loft and lie measurement arrays that can be moved along horizontal y and x axes to capture loft and lie angle information of the golf club shaft, and a computer with an algorithm that uses information captured by the scoreline measurement unit and loft and lie measurement arrays to calculate final loft and lie angle values that are accurate within +/−0.125°.

A method of manufacturing a golf club head with a plurality of stiffening members proximate the face, and particularly solid rods or a plate with one or more cutouts, is disclosed herein. The method includes the steps of preparing a wax of a golf club head body having at least one through-hole, a hollow interior, and at least one receiving pocket, preparing waxes of one or more stiffening members, inserting the wax of the stiffening members into the through-hole and seating its opposite end in the receiving pocket, bonding each of the stiffening members to the body with an adhesive material to form a combined wax mold, and casting a golf club head from the combined wax mold.