HIGH-PERFORMANCE METAL-WOOD GOLF CLUB HEAD
The disclosure relates to high-performance metal-wood type golf clubs. An example golf club head includes a heel-side midsole weight, connected to the sole, having a center of mass positioned at a distance (D AH ) rearward from the frontmost point, measured in a front-to-back direction, between 30-70% of a clubhead length (L FB ); and a width (W CG-AH ) heelward of the face center, measured in a heel-to-toe direction, between 5-40% of a clubhead width (CW). The example golf club also includes a toe-side midsole weight, connected to the sole, having a center of mass positioned at: a distance (D AT ) rearward from the frontmost point, measured in the front-to-back direction, between 30-70% of the clubhead length (L FB ); and a width (W CG-AT ) toeward of the face center, measured in the heel-to-toe direction, between 5-40% of the clubhead width (CW).
1 . A metal-wood type golf club head having improved aerodynamic properties, the golf club head comprising:
a striking face having a face center, the striking face defining a frontmost point of the golf club head;
a crown connected to a top side of the striking face;
a sole connected to a bottom side of the striking face;
a heel-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AH ) rearward from the frontmost point, measured in a front-to-back direction, between 30-70% of a clubhead length (L FB ) measured from the frontmost point to an aftmost point of the golf club head; and
a width (W CG-AH ) heelward of the face center, measured in a heel-to-toe direction, between 5-40% of a clubhead width (CW) measured from a heel-most point to a toe-most point of the golf club head; and
a toe-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AT ) rearward from the frontmost point, measured in the front-to-back direction, between 30-70% of the clubhead length (L FB ) measured from the frontmost point to the aftmost point of the golf club head; and
a width (W CG-AT ) toeward of the face center, measured in the heel-to-toe direction, between 5-40% of the clubhead width (CW) measured from the heel-most point to the toe-most point of the golf club head.
2 . The metal-wood type golf club head of claim 1 , wherein:
an aft slice of the golf club head has a centroid height (H Centroid ) that is at least 95% of a height of the face center of the striking face above a ground plane and a height (H Low ) of a lowest point of the aft slice is at least 40% of the height of the face center of the striking face above the ground plane, the aft slice being a portion of the golf club head to a rear of a slice line and between an outer perimeter of the golf club head and an offset perimeter slice curve, wherein:
the slice line extends in a heel-to-toe direction and is located a slice depth rearward from the frontmost point, the slice depth being equal to 70% of a front-to-back length of the golf club head; and
the offset perimeter slice curve is offset from the outer perimeter of the golf club head by a perimeter offset distance of 0.5 inches.
3 . The metal-wood type golf club head of claim 2 , wherein a height (H AH ) of the center of mass of the heel-side midsole weight above the ground is less than 50% of the centroid height (H Centroid ) less than 70%, 60%, or 50% of the height (H Low ).
4 . The metal-wood type golf club head of claim 3 , wherein the height (H Low ) is greater than 10 mm and the centroid height (H Centroid ) is at least 28 mm.
5 . The metal-wood type golf club head of claim 1 , wherein a height (H AH ) of the center of mass of the heel-side midsole weight above ground is less than 20% of a clubhead height (CH).
6 . The metal-wood type golf club head of claim 1 , wherein the heel-side midsole weight and the toe-side midsole weight are positioned rearward of a center of gravity of the golf club head.
7 . The metal-wood type golf club head of claim 6 , further comprising a heel-side fore-sole weight and a toe-side fore-sole weight that are each positioned forward of the center of gravity.
8 . The metal-wood type golf club head of claim 7 , wherein:
the heel-side fore-sole weight is positioned at a width (W CG-FH ) heelward of the face center, measured in the heel-to-toe direction, wherein the width (W CG-FH ) is less than the width (W CG-AH ); and
the toe-side fore-sole weight is positioned at a width (W CG-FT ) toeward of the face center, measured in the heel-to-toe direction, wherein the width (W CG-FT ) is less than the width (W CG-AT ).
9 . The metal-wood type golf club head of claim 1 , wherein an entire structure of the heel-side midsole weight is positioned between 30-70% of a clubhead length (L FB ) and between 5-40% of the clubhead width (CW) heelward of the face center.
10 . A metal-wood type golf club head having improved aerodynamic properties, the golf club head comprising:
a striking face having a face center, the striking face defining a frontmost point of the golf club head;
a crown connected to a top side of the striking face;
a sole connected to a bottom side of the striking face;
a heel-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AH ) rearward from the frontmost point, measured in a front-to-back direction, between 30-70% of a clubhead length (L FB ) measured from the frontmost point to an aftmost point of the golf club head;
a width (W CG-AH ) heelward of the face center, measured in a heel-to-toe direction, between 5-40% of a clubhead width (CW) measured from a heel-most point to a toe-most point of the golf club head; and
a height (H AH ) less than 20% of a clubhead height (CH); and
a toe-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AT ) rearward from the frontmost point, measured in the front-to-back direction, between 30-70% of the clubhead length (L FB ) measured from the frontmost point to the aftmost point of the golf club head;
a width (W CG-AT ) toeward of the face center, measured in the heel-to-toe direction, between 5-40% of the clubhead width (CW) measured from a heel-most point to the toe-most point of the golf club head; and
a height (H AT ) less than 20% of the clubhead height (CH).
11 . The metal-wood type golf club head of claim 10 , further comprising a skirt, wherein:
a rearmost point on the sole is an intersection point of the sole and a lower boundary of the skirt;
a rearmost point on the crown is an intersection point of the crown and an upper boundary of the skirt;
the lower boundary is a skirt height above a ground plane; and
the skirt height is at least 12 mm.
12 . The metal-wood type golf club head of claim 11 , wherein the height (H AH ) is less than the skirt height.
13 . The metal-wood type golf club head of claim 10 , wherein:
the golf club head has a center of gravity;
the center of mass of the heel-side midsole weight is positioned at a height (H CGN-AH ) that is a distance measured perpendicular to a line that extends through the center of gravity in a direction normal to the striking face; and
the height (H CGN-AH ) is greater than the height (H AH ).
14 . The metal-wood type golf club head of claim 13 , wherein the height (H CGN-AH ) is between 10-30% of the clubhead height (CH).
15 . The metal-wood type golf club head of claim 10 , wherein an entire structure of the heel-side midsole weight is positioned between 40-60% of a clubhead length (L FB ) and between 10-30% of the clubhead width (CW) heelward of the face center.
16 . The metal-wood type golf club head of claim 10 , wherein the heel-side midsole weight and the toe-side midsole weight are positioned rearward of a center of gravity of the golf club head.
17 . The metal-wood type golf club head of claim 10 , wherein the heel-side midsole weight and the toe-side midsole weight are replaceable weights.
18 . A metal-wood type golf club head having improved aerodynamic properties, the golf club head comprising:
a striking face having a face center, the striking face defining a frontmost point of the golf club head;
a crown connected to a top side of the striking face;
a sole connected to a bottom side of the striking face;
a heel-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AH ) rearward from the frontmost point, measured in a front-to-back direction, between 40-60% of a clubhead length (L FB ) measured from the frontmost point to an aftmost point of the golf club head; and
a width (W CG-AH ) heelward of the face center, measured in a heel-to-toe direction, between 10-30% of a clubhead width (CW) measured from a heel-most point to a toe-most point of the golf club head; and
a toe-side midsole weight, connected to the sole, having a center of mass positioned at:
a distance (D AT ) rearward from the frontmost point, measured in the front-to-back direction, between 40-60% of a clubhead length (L FB ) measured from the frontmost point to the aftmost point of the golf club head; and
a width (W CG-AT ) toeward of the face center, measured in the heel-to-toe direction, between 10-30% of a clubhead width (CW) measured from the heel-most point to the toe-most point of the golf club head;
wherein an aft slice of the golf club head has a centroid height (H Centroid ) that is at least 95% of a height of the face center of the striking face above a ground plane and a height (H Low ) of a lowest point of the aft slice is at least 40% of the height of the face center of the striking face above the ground plane, the aft slice being a portion of the golf club head to a rear of a slice line and between an outer perimeter of the golf club head and an offset perimeter slice curve, wherein:
the slice line extends in a heel-to-toe direction and is located a slice depth rearward from the frontmost point, the slice depth being equal to 70% of a front-to-back length of the golf club head; and
the offset perimeter slice curve is offset from the outer perimeter of the golf club head by a perimeter offset distance of 0.5 inches.
19 . The metal-wood type golf club head of claim 18 , wherein an entire structure of the heel-side midsole weight is positioned between 30-70% of a clubhead length (L FB ) and between 5-40% of the clubhead width (CW) heelward of the face center.
20 . The metal-wood type golf club head of claim 18 , wherein the center of mass of the heel-side midsole weight is positioned at a height less than 20% of a clubhead height (CH).