Golf club heads with optimized characteristics and related methods
First Claim
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1. A golf club head comprising:
- a head body comprising;
a head interior bounded by;
a head front portion;
a head rear portion;
a head heel portion;
a head toe portion;
a head top portion; and
a head sole portion;
anda hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a head center of gravity;
a head horizontal axis extending through the head center of gravity, from the head heel portion to the head toe portion, and parallel to a ground plane when the golf club head is at an address position over the ground plane;
a hosel moment of inertia about the hosel axis; and
a horizontal moment of inertia about the head horizontal axis;
wherein the horizontal moment of inertia is greater than or equal to 39% of the hosel moment of inertia;
a strikeface having a strikeface centerpoint; and
a head vertical axis extending through the head center of gravity, from the head top portion to the head sole portion, and perpendicular to the ground plane when the golf club head is at the address position over the ground plane; and
wherein;
the head body comprises a driver-type body;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint and parallel to the hosel axis;
a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane;
a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point;
a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point;
a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between;
a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG height is approximately 0 mm to approximately 5.08 mm;
the head CG depth is approximately 25 mm to approximately 102 mm;
a head volume of the golf club head is approximately 420 cc to approximately 470 cc; and
a head weight of the golf club head is approximately 185 grams to approximately 225 grams.
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Abstract
Embodiments of golf club heads with optimized characteristics including optimizing the center of gravity location as it relates to the head volume, and the hosel moment of inertia relative to the horizontal and vertical moments of inertia. Other examples and related methods are also disclosed herein.
69 Citations
21 Claims
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1. A golf club head comprising:
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a head body comprising; a head interior bounded by; a head front portion; a head rear portion; a head heel portion; a head toe portion; a head top portion; and a head sole portion; and a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis; a head center of gravity; a head horizontal axis extending through the head center of gravity, from the head heel portion to the head toe portion, and parallel to a ground plane when the golf club head is at an address position over the ground plane; a hosel moment of inertia about the hosel axis; and a horizontal moment of inertia about the head horizontal axis; wherein the horizontal moment of inertia is greater than or equal to 39% of the hosel moment of inertia; a strikeface having a strikeface centerpoint; and a head vertical axis extending through the head center of gravity, from the head top portion to the head sole portion, and perpendicular to the ground plane when the golf club head is at the address position over the ground plane; and wherein; the head body comprises a driver-type body; a loft plane of the golf club head is tangent to the strikeface centerpoint; a front plane of the golf club head extends through the strikeface centerpoint and parallel to the hosel axis; a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane; a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point; a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point; a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between; a second intersection point located at an intersection between the front plane and the ground plane; and a third intersection point located at an intersection between the head vertical axis and the ground plane; the head CG height is approximately 0 mm to approximately 5.08 mm; the head CG depth is approximately 25 mm to approximately 102 mm; a head volume of the golf club head is approximately 420 cc to approximately 470 cc; and a head weight of the golf club head is approximately 185 grams to approximately 225 grams. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for providing a golf club head, the method comprising:
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providing a head body comprising; a head interior bounded by; a head front portion; a head rear portion; a head heel portion; a head toe portion; a head top portion; and a head sole portion; a strikeface having a strikeface centerpoint; and a head vertical axis extending through a head center of gravity, from the head top portion to the head sole portion, and perpendicular to a ground plane when the golf club head is at an address position over the ground plane; and wherein; the head body comprises a driver-type body; a loft plane of the golf club head is tangent to the strikeface centerpoint; a front plane of the golf club head extends through the strikeface centerpoint and parallel to a hosel axis; a head depth plane extends through the strikeface centerpoint, parallel to a head horizontal axis and perpendicular to the loft plane; a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point; a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point; a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between; a second intersection point located at an intersection between the front plane and the ground plane; and a third intersection point located at an intersection between the head vertical axis and the ground plane; the head CG height is approximately 0 mm to approximately 5.08 mm; the head CG depth is approximately 25 mm to approximately 102 mm; a head volume of the golf club head is approximately 420 cc to approximately 470 cc; and a head weight of the golf club head is approximately 185 grams to approximately 225 grams; and a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis; and coupling the golf club shaft to the hosel structure; wherein; a head horizontal axis extends through a head center of gravity of the golf club head, from the head heel portion to the head toe portion, and parallel to the ground plane when the golf club head is at the address position over the ground plane; the head vertical axis extends through the head center of gravity, from the head top portion to the head sole portion, and perpendicular to the ground plane when the golf club head is at address over the ground plane; and providing the head body comprises at least one of; establishing a horizontal moment of inertia about the head horizontal axis to be greater than or equal to 39% of a hosel moment of inertia about the hosel axis;
orestablishing a vertical moment of inertia about the head vertical axis to be greater than or equal to 59% of the hosel moment of inertia about the hosel axis. - View Dependent Claims (21)
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Specification