Final_Match_Point
Semi-Pro
Alot of people are confused with the page on balance in the racquet finder guide. Heres a step by step how to...(Note I have not checked my work. Not 2. Its is 11:40 at night, and I am extremly tired from a 4 hour tennis session)
I Just added about 30 grams worth of lead to my TT-Scream, and it plays great. So now, Im going walk all of the math haters through a step by step procedure on how your balance point is figured out
Racquet Stats:
Head Size: 110 sq. in. / 710 sq. cm.
Length: 27.5 inches / 70 cm
Strung Weight: 10oz / 284g
Balance: Even Balance
Swingweight: 305
Stiffness: 68
s = d*(m / (M + m))
s = shift in balance, in cm.
A "point" is 1/8 inch, or 0.3175 cm. Points head-heavy (or head-light) are measured from the midpoint of the racquet's length.
d = distance from added weight to original balance point, in cm
m = amount of added weight, in grams
M = original racquet weight, in grams
Ill be explaining this Explicitly
It says here to Find S. S is the total shift in balance, MEASURED IN CENTIMETERS!!!
d- is talking about the original balance point, and the distance(How far away) you added your weight too.
m- How much weight you added in total In GRAMS
M- Is the racquets Original Weight.
I will now be putting this with the prince tt-screams specs. I First added Weight to the handle. (I am using wilson weights they are 3 grams each)
s = d*(m / (M + m))
d= in this case the tt-scream is Evenly balanced, therefore The original balance point is smack dab in the middle of the racquet(Half) I added the weight 5 centimeters from the handle, Making it 5 centimeters AWAY from the original balance point. (35cm-5cm=30cm)
m= is how much weight ive added to the handle. I added 6- 3gram wilson weights, so 4x3=18grams of weight in total
M=the original weight, is stated as being 284 grams STRUNG
THe end equation Ends up looking like this...
s=30cm x (18grams/ (284grams+18grams))
Solving this is EASY.
Start by using PEMDAS (Parenthesis, exponent, multiplication OR division, addition OR subtraction[Or stands for whichever comes first])
Step 1. Parenthesis. 284grams+18grams= 302 grams
Step 2. Parentesis#2. 18grams/302grams=.06(Rounded from .059)
Step 3. Multiplication. 30cm x .06=1.8cm Moved Towards the handle End.
WHAT DOES THE 1.8 CM MEAN?
Yes its not in points YET.
A "point" is 1/8 inch, or 0.3175 cm.
So all you have to do is Divide your answer for s(In this case 1.4cm) by .3175 centimeters.
SO by adding 18grams to the Handle, Youve made your racquet 5.67 points Headlight.
WERE NOT DONE YET-
Lets say you want to add another 6 grams to 9 and 3 clock positions for stability.
You take all the New values.(Meaning all the stuff that changed because of adding the 18 grams in the handle)
So the NEW values for
d=20cm (The old balance point minus the 1.8cm it moved towards the handle= 35-1.8=33.2. Then We added to 9-3 positions which are 20 cms away from the balance point)
m=2 wilson weight bars for a total of 6 grams.
M=The Weight with the previously added lead is now 302 grams
s=20cm*(6grams/(302grams+6grams)
20cm*.02
.38cm=s .38/.3715= 1.05 points moved towards Head Heavyness.
CONCLUSION
5.67 points headlight from adding 18 grams in the handle
1.point headHeavy from adding 3 grams at 9 and 3 positiosn for a total for 6 grams.
5.67-1=4.67
CONGRATULATIONS. You've effectivly made your racquet 4.67 points headlight from a previous Even Balance
(Part 2 about matching swingweight to come soon)
I Just added about 30 grams worth of lead to my TT-Scream, and it plays great. So now, Im going walk all of the math haters through a step by step procedure on how your balance point is figured out
Racquet Stats:
Head Size: 110 sq. in. / 710 sq. cm.
Length: 27.5 inches / 70 cm
Strung Weight: 10oz / 284g
Balance: Even Balance
Swingweight: 305
Stiffness: 68
s = d*(m / (M + m))
s = shift in balance, in cm.
A "point" is 1/8 inch, or 0.3175 cm. Points head-heavy (or head-light) are measured from the midpoint of the racquet's length.
d = distance from added weight to original balance point, in cm
m = amount of added weight, in grams
M = original racquet weight, in grams
Ill be explaining this Explicitly
It says here to Find S. S is the total shift in balance, MEASURED IN CENTIMETERS!!!
d- is talking about the original balance point, and the distance(How far away) you added your weight too.
m- How much weight you added in total In GRAMS
M- Is the racquets Original Weight.
I will now be putting this with the prince tt-screams specs. I First added Weight to the handle. (I am using wilson weights they are 3 grams each)
s = d*(m / (M + m))
d= in this case the tt-scream is Evenly balanced, therefore The original balance point is smack dab in the middle of the racquet(Half) I added the weight 5 centimeters from the handle, Making it 5 centimeters AWAY from the original balance point. (35cm-5cm=30cm)
m= is how much weight ive added to the handle. I added 6- 3gram wilson weights, so 4x3=18grams of weight in total
M=the original weight, is stated as being 284 grams STRUNG
THe end equation Ends up looking like this...
s=30cm x (18grams/ (284grams+18grams))
Solving this is EASY.
Start by using PEMDAS (Parenthesis, exponent, multiplication OR division, addition OR subtraction[Or stands for whichever comes first])
Step 1. Parenthesis. 284grams+18grams= 302 grams
Step 2. Parentesis#2. 18grams/302grams=.06(Rounded from .059)
Step 3. Multiplication. 30cm x .06=1.8cm Moved Towards the handle End.
WHAT DOES THE 1.8 CM MEAN?
Yes its not in points YET.
A "point" is 1/8 inch, or 0.3175 cm.
So all you have to do is Divide your answer for s(In this case 1.4cm) by .3175 centimeters.
SO by adding 18grams to the Handle, Youve made your racquet 5.67 points Headlight.
WERE NOT DONE YET-
Lets say you want to add another 6 grams to 9 and 3 clock positions for stability.
You take all the New values.(Meaning all the stuff that changed because of adding the 18 grams in the handle)
So the NEW values for
d=20cm (The old balance point minus the 1.8cm it moved towards the handle= 35-1.8=33.2. Then We added to 9-3 positions which are 20 cms away from the balance point)
m=2 wilson weight bars for a total of 6 grams.
M=The Weight with the previously added lead is now 302 grams
s=20cm*(6grams/(302grams+6grams)
20cm*.02
.38cm=s .38/.3715= 1.05 points moved towards Head Heavyness.
CONCLUSION
5.67 points headlight from adding 18 grams in the handle
1.point headHeavy from adding 3 grams at 9 and 3 positiosn for a total for 6 grams.
5.67-1=4.67
CONGRATULATIONS. You've effectivly made your racquet 4.67 points headlight from a previous Even Balance
(Part 2 about matching swingweight to come soon)
