GOLF CLUB WITH IMPROVED WEIGHTING
A plurality of two or more golf clubs with improved weighting characteristics is disclosed. More specifically, the present invention discloses a specific relationship between the mass M club of the golf club and the length L club to help improve the performance of the golf club. In addition to the above, the present invention also discloses a change to the balance point of the shaft to help compensate for the change in mass M shaft of the shaft and the length L shaft of the shaft to maintain a desirable swing weight.
1 . A golf club shaft comprising;
a first end, a second end, an inner diameter, and an outer diameter;
wherein a mass M shaft of said shaft deceases with an increase in a length L shaft of said shaft, and
wherein said shaft has a Balance Point shaft that increases as the length L shaft increases according to the relationship, Balance Point shaft (%) 0.1 L shaft +26.33.
2 . The golf club shaft of claim 1 , wherein said relationship between said Balance Point shaft and said length L shaft is, Balance Point shaft (%) 0.3 L shaft +26.33.
3 . The golf club shaft of claim 2 , wherein said relationship between said Balance Point shaft and said length L shaft is, Balance Point shaft (%) 0.5 L shaft +26.33.
4 . The golf club shaft of claim 1 , wherein a relationship between a mass of the shaft M shaft and the length L shaft is, M shaft ≧−6 L shaft +347.
5 . The golf club of claim 4 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−15 L shaft +2367.5.
6 . The golf club of claim 5 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in the length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−20 L shaft +2367.5.
7 . The golf club of claim 6 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in the length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−30 L shaft +2367.5.
8 . The golf club of claim 4 , wherein said mass of said shaft M shaft is between about 104 grams to about 128 grams.
9 . A plurality of golf club shafts comprising:
a first golf club shaft having a length of greater than about 39.5 inches having a first shaft mass;
a second golf club shaft having a length of between about 37.5 inches to 39.5 inches having a second shaft mass;
a third golf club shaft having a length of less than about 37.5 inches having a third shaft mass;
wherein the first shaft mass is less than said second shaft mass and said second shaft mass is less than said third shaft mass;
wherein said first golf club shaft, said second golf club shaft, and said third golf club shaft, all have a Balance Point shaft that increases as the length L shaft increases according to the relationship, Balance Point shaft (%)≧0.1 L shaft +26.33.
10 . The plurality of golf club shafts of claim 9 , wherein said relationship between said Balance Point shaft and said length L shaft is, Balance Point shaft (%)≧0.3 L shaft +26.33.
11 . The plurality of golf club shafts of claim 10 , wherein said relationship between said Balance Point shaft and said length L shaft is, Balance Point shaft (%)≧0.5 L shaft +26.33.
12 . The plurality of golf club shafts of claim 9 , wherein a relationship between said first shaft mass, said second shaft mass, and said third shaft mass and their respective shaft length is, M shaft ≧−6 L shaft +347.
13 . The plurality of golf club shafts of claim 12 , wherein said first shaft, said second shaft, and said third shaft all have a tip frequency shaft that decreases inversely with an increase in length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−15 L shaft +2367.5.
14 . A golf club shaft comprising;
a first end, a second end, an inner diameter, and an outer diameter;
wherein a mass M shaft of said shaft deceases with an increase in a length L shaft of said shaft, and
wherein a relationship between a mass of the shaft M shaft and the length L shaft is, M shaft ≧−6 L shaft +347, and
wherein said shaft has a tip frequency shaft greater than about 800 CPM.
15 . The golf club shaft of claim 14 , wherein said tip frequency shaft greater than about 850 CPM.
16 . The golf club shaft of claim 15 , wherein said tip frequency shaft greater than about 900 CPM.
17 . The golf club shaft of claim 14 , wherein said shaft has a Balance Point shaft that increases as the length L shaft increases according to the relationship, Balance Point shaft (%)≧0.1 L shaft +26.33.
18 . The golf club shaft of claim 17 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−15 L shaft +2367.5.
19 . The golf club shaft of claim 18 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−20 L shaft +2367.5.
20 . The golf club shaft of claim 19 , wherein said shaft has a tip frequency shaft that decreases inversely with an increase in length L shaft according to the relationship, Tip Frequency shaft (CPM)≦−30 L shaft +2367.5.