Golf club heads

A golf club head, comprising:

• a face, a sole, a crown, a hosel portion with a hosel bore defining a shaft axis, an adjustable head-shaft connection assembly coupled to the hosel portion and operable to adjust at least one of a loft angle or a lie angle formed when the golf club head is attached to a golf club shaft via the adjustable head-shaft connection assembly;
• the golf club head has a head mass of 195-209 grams, a head volume of at least 410 cc, a center of gravity having a head origin y-axis CGy coordinate of 36-44 mm and a Zup value of 20-28 mm, a moment of inertia about a club head CG x-axis, Ixx, of at least 320 kg·mm2, and a moment of inertia about a golf club head CG z-axis, Izz, of 520-625 kg·mm2;
• wherein:
• at least a portion of the crown is formed of non-metallic material;
• the face has a center face defining an origin for an origin x-axis, an origin y-axis, and an origin z-axis, wherein the origin x-axis is tangential to the face at the origin and parallel to a ground plane, the origin y-axis is perpendicular to the origin x-axis and extends away from the face and is parallel to the ground plane, and the origin z-axis extends vertically from face center and is perpendicular to the ground plane;
• a face center vertical plane extends through the center face and includes the origin y-axis and the origin z-axis;
• a face center horizontal plane extends through the center face and is perpendicular to the face center vertical plane;
• a shaft axis vertical plane is parallel to the face center vertical plane and includes the shaft axis;
• a 1F vertical plane is parallel to the shaft axis vertical plane and offset 10 mm forward of the shaft axis vertical plane, and a 2F vertical plane is parallel to the shaft axis vertical plane and offset 20 mm forward of the shaft axis vertical plane;
• a 1R vertical plane is parallel to the shaft axis vertical plane and offset 10 mm rearward of the shaft axis vertical plane, a 2R vertical plane is parallel to the shaft axis vertical plane and offset 20 mm rearward of the shaft axis vertical plane, a 3R vertical plane is parallel to the shaft axis vertical plane and offset 30 mm rearward of the shaft axis vertical plane, a 4R vertical plane is parallel to the shaft axis vertical plane and offset 40 mm rearward of the shaft axis vertical plane, a 5R vertical plane is parallel to the shaft axis vertical plane and offset 50 mm rearward of the shaft axis vertical plane, a 6R vertical plane is parallel to the shaft axis vertical plane and offset 60 mm rearward of the shaft axis vertical plane, a 7R vertical plane is parallel to the shaft axis vertical plane and offset 70 mm rearward of the shaft axis vertical plane, a 8R vertical plane is parallel to the shaft axis vertical plane and offset 80 mm rearward of the shaft axis vertical plane, a 9R vertical plane is parallel to the shaft axis vertical plane and offset 90 mm rearward of the shaft axis vertical plane, and a 10R vertical plane is parallel to the shaft axis vertical plane and offset 100 mm rearward of the shaft axis vertical plane;
• a 1T vertical plane is parallel to the face center vertical plane and offset 10 mm toeward of the face center vertical plane, a 2T vertical plane is parallel to the face center vertical plane and offset 20 mm toeward of the face center vertical plane, a 3T vertical plane is parallel to the face center vertical plane and offset 30 mm toeward of the face center vertical plane, a 4T vertical plane is parallel to the face center vertical plane and offset 40 mm toeward of the face center vertical plane, a 5T vertical plane is parallel to the face center vertical plane and offset 50 mm toeward of the face center vertical plane, a 6T vertical plane is parallel to the face center vertical plane and offset 60 mm toeward of the face center vertical plane, a 7T vertical plane is parallel to the face center vertical plane and offset 70 mm toeward of the face center vertical plane, and a 8T vertical plane is parallel to the face center vertical plane and offset 80 mm toeward of the face center vertical plane;
• a 1H vertical plane is parallel to the face center vertical plane and offset 10 mm heelward of the face center vertical plane, a 2H vertical plane is parallel to the face center vertical plane and offset 20 mm heelward of the face center vertical plane, a 3H vertical plane is parallel to the face center vertical plane and offset 30 mm heelward of the face center vertical plane, a 4H vertical plane is parallel to the face center vertical plane and offset 40 mm heelward of the face center vertical plane, a 5H vertical plane is parallel to the face center vertical plane and offset 50 mm heelward of the face center vertical plane, a 6H vertical plane is parallel to the face center vertical plane and offset 60 mm heelward of the face center vertical plane, a 7H vertical plane is parallel to the face center vertical plane and offset 70 mm heelward of the face center vertical plane, and a 8H vertical plane is parallel to the face center vertical plane and offset 80 mm heelward of the face center vertical plane;
• a 1C horizontal plane is parallel to the face center horizontal plane and offset 10 mm above the face center horizontal plane, a 2C horizontal plane is parallel to the face center horizontal plane and offset 20 mm above the face center horizontal plane, a 3C horizontal plane is parallel to the face center horizontal plane and offset 30 mm above the face center horizontal plane, and a 4C horizontal plane is parallel to the face center horizontal plane and offset 40 mm above the face center horizontal plane;
• a 1S horizontal plane is parallel to the face center horizontal plane and offset 10 mm below the face center horizontal plane, and a 2S horizontal plane is parallel to the face center horizontal plane and offset 20 mm below the face center horizontal plane;
• a post-10R mass is a mass of a portion of the golf club head behind the 10R vertical plane;
• a pre-1F mass is a mass of a portion of the golf club head located forward of the 1F vertical plane;
• a 2T-2H, post-9R mass is a mass of a portion of the golf club head (a) behind the 9R vertical plane, and (b) between the 2T vertical plane and the 2H vertical plane;
• a mid-section mass is a mass of a portion of the golf club head between the 8R vertical plane and the 3R vertical plane;
• a 8R-7R mass is a mass of a portion of the golf club head between the 8R vertical plane and the 7R vertical plane;
• a 7R-6R mass is a mass of a portion of the golf club head between the 7R vertical plane and the 6R vertical plane;
• a large forward toe region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the 1F vertical plane, (b) between the 5T vertical plane and the 8T vertical plane, and (c) between the 3S horizontal plane and the 1C horizontal plane;
• a limited heel region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the shaft axis vertical plane, (b) between the 4H vertical plane and the 6H vertical plane, and (c) between the 2S horizontal plane and the 1C horizontal plane;
• a forward heel and toe mass is a sum of:
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4H vertical plane and the 8H vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• and
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4T vertical plane and the 8T vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• a forward-HT-to-mid-section mass ratio is a ratio of the forward heel and toe mass to the mid-section mass, the forward-HT-to-mid-section mass ratio is at least 0.8, the forward heel and toe mass is 22-36 grams, and the mid-section mass is 18-30 grams;
• a rear-center-to-mid-section mass ratio is a ratio of the 2T-2H, post-9R mass to the mid-section mass, and the rear-center-to-mid-section mass ratio is at least 1.2, and the 2T-2H, post-9R mass is 27.5-50 grams;
• a rear-center-to-forward-HT mass ratio is a ratio of the 2T-2H, post-9R mass to the forward heel and toe mass, and the rear-center-to-forward-HT mass ratio is 1.05-1.85;
• and
• the 7R-6R mass is within 20% of the 8R-7R mass.

A golf club head, comprising:

• a face, a sole, a crown, a hosel portion with a hosel bore defining a shaft axis, an adjustable head-shaft connection assembly coupled to the hosel portion and operable to adjust at least one of a loft angle or a lie angle formed when the golf club head is attached to a golf club shaft via the adjustable head-shaft connection assembly;
• the golf club head has a head mass of 195-209 grams, a head volume of at least 410 cc, a center of gravity having a Zup value of 20-28 mm, a moment of inertia about a club head CG x-axis, Ixx, of at least 300 kg·mm2, and a moment of inertia about a golf club head CG z-axis, Izz, of at least 480 kg·mm2;
• wherein:
• at least a portion of the crown and a portion of the sole are formed of non-metallic material;
• the face has a center face defining an origin for an origin x-axis, an origin y-axis, and an origin z-axis, wherein the origin x-axis is tangential to the face at the origin and parallel to a ground plane, the origin y-axis is perpendicular to the origin x-axis and extends away from the face and is parallel to the ground plane, and the origin z-axis extends vertically from face center and is perpendicular to the ground plane;
• a face center vertical plane extends through the center face and includes the origin y-axis and the origin z-axis;
• a face center horizontal plane extends through the center face and is perpendicular to the face center vertical plane;
• a shaft axis vertical plane is parallel to the face center vertical plane and includes the shaft axis;
• a 1F vertical plane is parallel to the shaft axis vertical plane and offset 10 mm forward of the shaft axis vertical plane, and a 2F vertical plane is parallel to the shaft axis vertical plane and offset 20 mm forward of the shaft axis vertical plane;
• a 1R vertical plane is parallel to the shaft axis vertical plane and offset 10 mm rearward of the shaft axis vertical plane, a 2R vertical plane is parallel to the shaft axis vertical plane and offset 20 mm rearward of the shaft axis vertical plane, a 3R vertical plane is parallel to the shaft axis vertical plane and offset 30 mm rearward of the shaft axis vertical plane, a 4R vertical plane is parallel to the shaft axis vertical plane and offset 40 mm rearward of the shaft axis vertical plane, a 5R vertical plane is parallel to the shaft axis vertical plane and offset 50 mm rearward of the shaft axis vertical plane, a 6R vertical plane is parallel to the shaft axis vertical plane and offset 60 mm rearward of the shaft axis vertical plane, a 7R vertical plane is parallel to the shaft axis vertical plane and offset 70 mm rearward of the shaft axis vertical plane, a 8R vertical plane is parallel to the shaft axis vertical plane and offset 80 mm rearward of the shaft axis vertical plane, a 9R vertical plane is parallel to the shaft axis vertical plane and offset 90 mm rearward of the shaft axis vertical plane, and a 10R vertical plane is parallel to the shaft axis vertical plane and offset 100 mm rearward of the shaft axis vertical plane;
• a rear weight having a density of at least 7 g/cc and extending behind the 10R vertical plane;
• a 1T vertical plane is parallel to the face center vertical plane and offset 10 mm toeward of the face center vertical plane, a 2T vertical plane is parallel to the face center vertical plane and offset 20 mm toeward of the face center vertical plane, a 3T vertical plane is parallel to the face center vertical plane and offset 30 mm toeward of the face center vertical plane, a 4T vertical plane is parallel to the face center vertical plane and offset 40 mm toeward of the face center vertical plane, a 5T vertical plane is parallel to the face center vertical plane and offset 50 mm toeward of the face center vertical plane, a 6T vertical plane is parallel to the face center vertical plane and offset 60 mm toeward of the face center vertical plane, a 7T vertical plane is parallel to the face center vertical plane and offset 70 mm toeward of the face center vertical plane, and a 8T vertical plane is parallel to the face center vertical plane and offset 80 mm toeward of the face center vertical plane;
• a 1H vertical plane is parallel to the face center vertical plane and offset 10 mm heelward of the face center vertical plane, a 2H vertical plane is parallel to the face center vertical plane and offset 20 mm heelward of the face center vertical plane, a 3H vertical plane is parallel to the face center vertical plane and offset 30 mm heelward of the face center vertical plane, a 4H vertical plane is parallel to the face center vertical plane and offset 40 mm heelward of the face center vertical plane, a 5H vertical plane is parallel to the face center vertical plane and offset 50 mm heelward of the face center vertical plane, a 6H vertical plane is parallel to the face center vertical plane and offset 60 mm heelward of the face center vertical plane, a 7H vertical plane is parallel to the face center vertical plane and offset 70 mm heelward of the face center vertical plane, and a 8H vertical plane is parallel to the face center vertical plane and offset 80 mm heelward of the face center vertical plane;
• a 1C horizontal plane is parallel to the face center horizontal plane and offset 10 mm above the face center horizontal plane, a 2C horizontal plane is parallel to the face center horizontal plane and offset 20 mm above the face center horizontal plane, a 3C horizontal plane is parallel to the face center horizontal plane and offset 30 mm above the face center horizontal plane, and a 4C horizontal plane is parallel to the face center horizontal plane and offset 40 mm above the face center horizontal plane;
• a 1S horizontal plane is parallel to the face center horizontal plane and offset 10 mm below the face center horizontal plane, and a 2S horizontal plane is parallel to the face center horizontal plane and offset 20 mm below the face center horizontal plane;
• a post-10R mass is a mass of a portion of the golf club head behind the 10R vertical plane;
• a pre-1F mass is a mass of a portion of the golf club head located forward of the 1F vertical plane;
• a 2T-2H, post-9R mass is a mass of a portion of the golf club head (a) behind the 9R vertical plane, and (b) between the 2T vertical plane and the 2H vertical plane;
• a mid-section mass is a mass of a portion of the golf club head between the 8R vertical plane and the 3R vertical plane;
• a 8R-7R mass is a mass of a portion of the golf club head between the 8R vertical plane and the 7R vertical plane;
• a 7R-6R mass is a mass of a portion of the golf club head between the 7R vertical plane and the 6R vertical plane;
• a large forward toe region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the 1F vertical plane, (b) between the 5T vertical plane and the 8T vertical plane, and (c) between the 3S horizontal plane and the 1C horizontal plane;
• a limited heel region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the shaft axis vertical plane, (b) between the 4H vertical plane and the 6H vertical plane, and (c) between the 2S horizontal plane and the 1C horizontal plane;
• a forward heel and toe mass is a sum of:
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4H vertical plane and the 8H vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• and
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4T vertical plane and the 8T vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• a forward-HT-to-mid-section mass ratio is a ratio of the forward heel and toe mass to the mid-section mass, the forward-HT-to-mid-section mass ratio is at least 0.8;
• a rear-center-to-mid-section mass ratio is a ratio of the 2T-2H, post-9R mass to the mid-section mass, and the rear-center-to-mid-section mass ratio is at least 1.2;
• and
• the 7R-6R mass is within 20% of the 8R-7R mass.

A golf club head, comprising:

• a face, a sole, a crown, a hosel portion with a hosel bore defining a shaft axis, an adjustable head-shaft connection assembly coupled to the hosel portion and operable to adjust at least one of a loft angle or a lie angle formed when the golf club head is attached to a golf club shaft via the adjustable head-shaft connection assembly;
• a metallic front body portion comprising an aluminum alloy and having a front opening that is closed by a portion of the face, wherein a portion of the face is adhesively bonded to the metallic front body portion;
• the golf club head has a head mass of 195-209 grams and a head volume of at least 410 cc;
• wherein:
• at least a portion of the crown and a portion of the sole are formed of non-metallic material;
• the face has a center face defining an origin for an origin x-axis, an origin y-axis, and an origin z-axis, wherein the origin x-axis is tangential to the face at the origin and parallel to a ground plane, the origin y-axis is perpendicular to the origin x-axis and extends away from the face and is parallel to the ground plane, and the origin z-axis extends vertically from face center and is perpendicular to the ground plane;
• a face center vertical plane extends through the center face and includes the origin y-axis and the origin z-axis;
• a face center horizontal plane extends through the center face and is perpendicular to the face center vertical plane;
• a shaft axis vertical plane is parallel to the face center vertical plane and includes the shaft axis;
• a 1F vertical plane is parallel to the shaft axis vertical plane and offset 10 mm forward of the shaft axis vertical plane, and a 2F vertical plane is parallel to the shaft axis vertical plane and offset 20 mm forward of the shaft axis vertical plane;
• a 1R vertical plane is parallel to the shaft axis vertical plane and offset 10 mm rearward of the shaft axis vertical plane, a 2R vertical plane is parallel to the shaft axis vertical plane and offset 20 mm rearward of the shaft axis vertical plane, a 3R vertical plane is parallel to the shaft axis vertical plane and offset 30 mm rearward of the shaft axis vertical plane, a 4R vertical plane is parallel to the shaft axis vertical plane and offset 40 mm rearward of the shaft axis vertical plane, a 5R vertical plane is parallel to the shaft axis vertical plane and offset 50 mm rearward of the shaft axis vertical plane, a 6R vertical plane is parallel to the shaft axis vertical plane and offset 60 mm rearward of the shaft axis vertical plane, a 7R vertical plane is parallel to the shaft axis vertical plane and offset 70 mm rearward of the shaft axis vertical plane, a 8R vertical plane is parallel to the shaft axis vertical plane and offset 80 mm rearward of the shaft axis vertical plane, a 9R vertical plane is parallel to the shaft axis vertical plane and offset 90 mm rearward of the shaft axis vertical plane, and a 10R vertical plane is parallel to the shaft axis vertical plane and offset 100 mm rearward of the shaft axis vertical plane;
• a 1T vertical plane is parallel to the face center vertical plane and offset 10 mm toeward of the face center vertical plane, a 2T vertical plane is parallel to the face center vertical plane and offset 20 mm toeward of the face center vertical plane, a 3T vertical plane is parallel to the face center vertical plane and offset 30 mm toeward of the face center vertical plane, a 4T vertical plane is parallel to the face center vertical plane and offset 40 mm toeward of the face center vertical plane, a 5T vertical plane is parallel to the face center vertical plane and offset 50 mm toeward of the face center vertical plane, a 6T vertical plane is parallel to the face center vertical plane and offset 60 mm toeward of the face center vertical plane, a 7T vertical plane is parallel to the face center vertical plane and offset 70 mm toeward of the face center vertical plane, and a 8T vertical plane is parallel to the face center vertical plane and offset 80 mm toeward of the face center vertical plane;
• a 1H vertical plane is parallel to the face center vertical plane and offset 10 mm heelward of the face center vertical plane, a 2H vertical plane is parallel to the face center vertical plane and offset 20 mm heelward of the face center vertical plane, a 3H vertical plane is parallel to the face center vertical plane and offset 30 mm heelward of the face center vertical plane, a 4H vertical plane is parallel to the face center vertical plane and offset 40 mm heelward of the face center vertical plane, a 5H vertical plane is parallel to the face center vertical plane and offset 50 mm heelward of the face center vertical plane, a 6H vertical plane is parallel to the face center vertical plane and offset 60 mm heelward of the face center vertical plane, a 7H vertical plane is parallel to the face center vertical plane and offset 70 mm heelward of the face center vertical plane, and a 8H vertical plane is parallel to the face center vertical plane and offset 80 mm heelward of the face center vertical plane;
• a 1C horizontal plane is parallel to the face center horizontal plane and offset 10 mm above the face center horizontal plane, a 2C horizontal plane is parallel to the face center horizontal plane and offset 20 mm above the face center horizontal plane, a 3C horizontal plane is parallel to the face center horizontal plane and offset 30 mm above the face center horizontal plane, and a 4C horizontal plane is parallel to the face center horizontal plane and offset 40 mm above the face center horizontal plane;
• a 1S horizontal plane is parallel to the face center horizontal plane and offset 10 mm below the face center horizontal plane, and a 2S horizontal plane is parallel to the face center horizontal plane and offset 20 mm below the face center horizontal plane;
• a post-10R mass is a mass of a portion of the golf club head behind the 10R vertical plane;
• a pre-1F mass is a mass of a portion of the golf club head located forward of the 1F vertical plane;
• a pre-SAVP mass is a mass of a portion of the golf club head located forward of the shaft axis vertical plane;
• a 2T-2H, post-9R mass is a mass of a portion of the golf club head (a) behind the 9R vertical plane, and (b) between the 2T vertical plane and the 2H vertical plane;
• a mid-section mass is a mass of a portion of the golf club head between the 8R vertical plane and the 3R vertical plane;
• a 8R-7R mass is a mass of a portion of the golf club head between the 8R vertical plane and the 7R vertical plane;
• a 7R-6R mass is a mass of a portion of the golf club head between the 7R vertical plane and the 6R vertical plane;
• a large forward toe region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the 1F vertical plane, (b) between the 5T vertical plane and the 8T vertical plane, and (c) between the 3S horizontal plane and the 1C horizontal plane;
• a limited heel region mass is a mass of a portion of the golf club head located (a) between the 3R vertical plane and the shaft axis vertical plane, (b) between the 4H vertical plane and the 6H vertical plane, and (c) between the 2S horizontal plane and the 1C horizontal plane;
• a forward heel and toe mass is a sum of:
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4H vertical plane and the 8H vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• and
• a mass of a portion of the golf club head (a) in front of the 2R vertical plane, (b) between the 4T vertical plane and the 8T vertical plane, and (c) between the 1S horizontal plane and the 4C horizontal plane;
• a rear-center-to-mid-section mass ratio is a ratio of the 2T-2H, post-9R mass to the mid-section mass, and the rear-center-to-mid-section mass ratio is at least 1.2, and the 2T-2H, post-9R mass is 27.5-50 grams;
• a rear-center-to-forward-HT mass ratio is a ratio of the 2T-2H, post-9R mass to the forward heel and toe mass, and the rear-center-to-forward-HT mass ratio is 1.05-1.85;
• and
• the mid-section mass is no more than 50% of the pre-SAVP mass.