Golf club set having similar properties
View Patent ↗A set of ball striking devices, such as a set golf clubs, having similar characteristics between clubs within the set of clubs such as length, weight, and lie angle. Characteristics can include lengths and lie angle.
1. A set of golf clubs comprising:
a plurality of hybrid-type golf clubs, each hybrid-type golf club comprising:
a hybrid-type golf club head having a striking face configured for striking a ball and a body extending rearwardly from the striking face, the body having a crown, a sole, a heel, and a toe, and a hosel including a hosel axis;
a shaft configured to engage with the hybrid-type golf club head at a first end and a grip engaged with the shaft at a second end opposite the first end;
wherein each of the plurality of hybrid-type golf clubs has a first length, a first lie angle, a first weight, a first swing weight, and a first center of gravity;
wherein each of the plurality of hybrid-type clubs include a hybrid-type golf club ground plane origin point located at the point at which a ground plane and the hosel axis intersect; and
wherein each of the plurality of hybrid-type clubs has a loft angle in the range of 21 degrees to 32 degrees and wherein the hybrid-type club head has a hollow portion and a volume within a range of 85 cc to 150 cc;
a plurality of iron-type golf clubs, each iron-type golf club comprising:
an iron-type golf club head having a striking face configured for striking a ball and a body extending rearwardly from the striking face, the body having a top surface, a sole, a heel, and a toe, and a hosel including a hosel axis, wherein the iron-type club head is perimeter-weighted and includes a rear cavity;
a shaft configured to engage with the iron-type golf club head at a first end and a grip engaged with the shaft at a second end opposite the first end;
wherein each of the plurality of iron-type golf clubs has a second length, a second lie angle, a second weight, a second swing weight, and a second center of gravity;
wherein each of the plurality of iron-type clubs include an iron-type golf club ground plane origin point located at the point at which the ground plane and the hosel axis intersect; and
wherein each of the plurality of iron-type clubs has a loft angle in the range of 23 degrees to 60 degrees;
wherein the first, and second lengths are substantially equal; and
wherein the first, and second lie angles are substantially equal; and
wherein a distance between the first center of gravity and the hybrid-type golf club ground plane origin point in a y-axis direction is within 2 mm of a distance between the second center of gravity and the iron-type golf club ground plane origin point in the y-axis direction;
wherein each of the plurality of hybrid-type golf club heads have a first moment of inertia with respect to the hosel axis;
wherein each of the plurality of iron-type golf club heads have a second moment of inertia with respect to the hosel axis; and
wherein the first and second moment of inertia are within 200 g*cm 2 of each other.
2. The set of claim 1 , wherein each of the plurality of hybrid-type golf club heads have a first moment of inertia parallel to a z-axis through the center of gravity;
wherein each of the plurality of iron-type golf club heads have a second moment of inertia parallel to a z-axis through the center of gravity; and
wherein the first and second moment of inertia are within 200 g*cm 2 of each other.
3. The set of claim 1 , wherein each of the plurality of hybrid-type golf club heads have a first ratio of a center of gravity location measured from a hosel origin point ΔX to ΔY;
wherein each of the plurality of iron-type golf club heads have a second ratio of a center of gravity location measured from a hosel origin point ΔX to ΔY; and
wherein the first ratio and the second ratio are within a range of 2.6 to 3.0.
4. A set of golf clubs comprising:
a plurality of hybrid-type golf clubs, each hybrid-type golf club comprising:
a hybrid-type golf club head having a striking face configured for striking a ball and a body extending rearwardly from the striking face, the body having a crown, a sole, a heel, and a toe, and a hosel including a hosel axis;
a shaft configured to engage with the hybrid-type golf club head at a first end and a grip engaged with the shaft at a second end opposite the first end;
wherein each of the plurality of hybrid-type golf clubs has a first length, a first lie angle, a first weight, a first swing weight, and a first center of gravity;
wherein each of the plurality of hybrid-type clubs include a hybrid-type golf club ground plane origin point located at the point at which a ground plane and the hosel axis intersect; and
wherein a first hybrid-type golf club has a loft angle within a range of 21 to 26 degrees, and a second hybrid-type golf club has a loft angle within a range of 25-32 degrees and wherein the hybrid-type club head has a hollow portion and a volume within a range of 85 cc to 150 cc;
a plurality of iron-type golf clubs, each iron-type golf club comprising:
an iron-type golf club head having a striking face configured for striking a ball and a body extending rearwardly from the striking face, the body having a top surface, a sole, a heel, and a toe, and a hosel including a hosel axis, wherein the iron-type club head is perimeter-weighted and includes a rear cavity;
a shaft configured to engage with the iron-type golf club head at a first end and a grip engaged with the shaft at a second end opposite the first end;
wherein each of the plurality of iron-type golf clubs has a second length, a second lie angle, a second weight, a second swing weight, and a second center of gravity;
wherein each of the plurality of iron-type clubs include an iron-type golf club round plane origin point located at the point at which the ground plane and the hosel axis intersect; and
wherein a first iron-type club has a loft angle in the range of 32 degrees to 38 degrees; a second iron-type club has a loft angle in the range of 36 degrees to 42 degrees; a third iron-type club has a loft angle in the range of 40 degrees to 46 degrees; and a fourth iron-type club has a loft angle in the range of 44 degrees to 50 degrees;
wherein the first and second lengths are substantially equal; and
wherein the first and second lie angles are substantially equal; and
wherein each of the plurality of hybrid-type golf club heads has a first moment of inertia with respect to the hosel axis within a range of 7,000 g*cm 2 and 7,800 g*cm 2 and wherein each of the iron-type golf club heads has a second moment of inertia with respect to the hosel axis within a range of 7,000 g*cm 2 and 7,800 g*cm 2 .
5. The set of claim 4 , wherein a distance between the first center of gravity and the hybrid-type golf club ground plane origin point in a y-axis direction is within 2 mm of a distance between the second center of gravity and the iron-type golf club ground plane origin point in the y-axis direction.
6. The set of claim 4 , wherein each of the plurality of hybrid-type golf club heads have a first moment of inertia with respect to the hosel axis within a range of 7,200 g*cm 2 and 7,600 g*cm 2 and wherein each of the plurality of iron-type golf club heads have a second moment of inertia with respect to the hosel axis within a range of 7,200 g*cm 2 and 7,600 g*cm 2 .
7. The set of claim 4 , wherein each of the plurality of hybrid-type golf club have a first ratio of a center of gravity location measured from a hosel origin point ΔX to ΔY;
wherein each of the plurality of iron-type golf club heads have a second ratio of a center of gravity location measured from a hosel origin point ΔX to ΔY; and
wherein the first ratio and the second ratio are within a range of 2.7 to 2.9.