Tennis swing weight calculator. com/n1ugz/pie-chart-for-categorical-data-in-excel.

So the problem could be worked backwards but you'd need the weight and balance for the unstrung frame plus an estimate for string weight (e. The effects of weight centered at the 12 o'clock location are: A 20 cm strip = 2. The tool is great for seeing what happens to your shot when your opponent sends balls with different spins, speeds, and trajectories. Total Club Weight (Grams) Balance Point (Inches) Fraction (1/16) Please enter all fields. If you look at the formula that's a ratio of Balance (R) / Swing Weight @ 0 cm (I) times the Mass (in grams) times gravity (980. Rated 5. 3 strung: M = 0. RW = SW − m(xB − 10cm)2. 330 Duel Gs at 12. It is the swingweight that more than makes up the difference to result in higher power potential. and it would calculate the new swingweight for you. If your final SW are within +/- 10 points you’re lucky. 0. Enter the club name, weight and balance point into the fields below. Enter the above two values in a swing weight calculator to measure the swing weight. EDIT: for example, if you add 8 g of mass 45 cm above the axis point your SW will increase . There is also a way to measure swingweight with more general-purpose tools: a postal scale and a ruler. Jun 2, 2019 · And I was able to remove 10 g of weight from the 320 g, thank to the weight system of the Angell TC 100. Jul 22, 2023 · The formula for calculating driver swing weight is as follows: Swing Weight = (Club Weight * (Balance Point – 14)) / 0. 15 inches of "high density" 1/2 inch wide lead tape. 4:16 – Weight Ranges Table. Stringway Official said: I think that it is much better to offer the clients a SW test: - Because that is what the player actually feels. A tennis racquet customization tool that calculates the amounts and locations of lead tape to place in order to achieve user defined desires for end-result racquet weight, balance, and swingweight. 6 balance. Once you have balanced and marked the balance point of the shaft, make sure to measure the distance from the tip end. g. 4 to 12. You will receive a confirmation mail with a file containing:-Customization calculator-Swingweight calculator-MGRI/, Polarization, Recoilweight calcualtor-AIM Calculator-Extended Racket Calculator-String weight database-Pro player’s specifications database-And more Aug 29, 2016 · If you have a 27" racket and place the lead inside the hoop at 12 o'clock your distance is ~58 cm. Therefore, this question is easy: assuming the swingspeed is the same, racquet A has more power, significantly more. This value matches the swingweight fulcrum setting used by the vast majority of commercially-available swingweight balances. Use different cross strings and I think you will get different results. It determines how much force is required to move the racket, and this affects the player’s ability to generate power and control the ball. Nov 3, 2015. 5. 2:50 – Racquet Swingweight. . ~4 1/8" of 1/4" lead tape is a gram. 6. 1 SW decrease. A racket with a higher swingweight will be harder to swing, but will also have more power. Mar 7, 2020 · The swing weight code can be determined from the above value. - Enter target values for the racquet and let RacquetTune distribute the weights automatically. 3:22 – Hammer Analogy. Heavy. You may want to try this some time if you have a way of measuring balance and SW that you think is accurate. Sometimes a faster swing with a lower swingweight can make up for power lost in swingweight. 005) ~28 cm from the 10 cm axis or ~38 cm from the butt. - Choose any point to calculate the swing weight at. The calculation will be tainted if the swing is too large. Swing Weight is how the club feels in your hands, specifically how “heavy” the club head feels when holding/swinging the golf club. , weight, balance, swingweight, flex) contribute to a racquet's power and includes interactive Mar 21, 2016 · it feels good because it is good. A rough rule of thumb is that 1g added at 3/9 is 2 swingweight units, whereas the same 1g added at 12 is 3 swingweight units. 5” are constants used in Nov 26, 2015 · Nov 26, 2015. Stiffness calculator - Simulate various racquet and string configurations A tennis racquet customization tool that allows the user to define the amounts and locations of lead weight to add to the racquet, and the tool then calculates the resulting weight, balance, swingweight, twistweight, plowthrough, and power. SWi = initial swingweight. louis netman said: Ok. Always be sure to measure! Mar 9, 2013 · YouTek Graphene Speed PWR has a mass of only 9. Length Cm. (1) It’s called recoilweight because it’s a measure of how stable the racket is during the contact – how much it recoils and how much of the recoil shock is transferred to This calculator expresses swingweight using the lorythmic scale, which implies a fourteen-inch swingweight fulcrum (355 mm). I can't seem to find that link from using search words. Swingweight with commercial machines is measured about 10 cm (4 in) from butt. every atp player, with 1 or 2 exceptions, is playing with a sw of over 350. Balance is 32. Here are timestamps to the different sections if you’d like to jump directly to any section in the video. on the many women use the 11oz more or less unstrung and with sw around 330. Some swingweights are expressed for a twelve-inch swingweight fulcrum (305 mm). 44 kg. Weight influences balance and swingweight, but by itself, pure and simple, it is rarely what the player is directly Jun 14, 2010 · It isn't racquet specific and you can pick any point you want. 2:01 – Measuring Balance. 35 points per inch. In tennis swing weight the length is measured in cm while the weight is measured in Kg. 5. Swing weight is the measure of a racket’s resistance to movement. 4. Racquet swing second time. Can anyone help me figure out an accurate swing weight measure? Thanks! Mar 12, 2014 · These are the numbers you would see on a swing weight device such as the Babolat RDC, Alpha Accuswing, and Prince RTC. Let the racket swing for 10 periods and get the complete time. Club. SW1 Racquet Swingweight Machine. When choosing the weight of a tennis racket, a player first needs to assess his or her tennis level. 001 or 3. 6 ozs with mass centered at the middle of the hoop). The most basic explanation of swing weight is that it is a measure of a golf club’s balance point. -i am using the same tennis racquet principles to calculate the balance point of my pickleball paddles. Oct 7, 2020. m = added mass in Kg. SW = mr^2 therefore (. Of course there are no limits on swing weight if you can handle it. TW Swingweight Measurement Question According to TW swingweight calculator Weight is what you feel if you pick the racquet up by the tip or handle while allowing the opposite end to hang straight down to the ground. At 3&9, 1 gram of lead tape increases SW by about 2 SW units. Dec 17, 2009 · Adam, It is an easy way to try and explain inertia, ('swingweight') - as 'SW' are is commonly measured on an RDC, etc easily shows that the more the weight is towards the head, the higher the #'s - I've often made-up two racquets to be like what I mentioned prior, and used them for Clinics - quickly proving to anyone who handles them - now, if you want to discuss MOI, (moment-of-inertia) that Jun 14, 2010 · Power Potential at 21" : 38. Mar 3, 2023 · Mar 3, 2023. M is mass of racquet in kg. Dec 20, 2016 · Swing weight = MR^2. Jul 11, 2024 · @IowaGuy I like to get all my rackets with the same MgR/I. Where: SW = new swing weight. If I customize and add lead tape, I want to keep as close to the original swing weight as possible. The swingpoint is the point around which you calculate the swingweight. The essence; IT customization process; Important parameters; AIM – Average Impact Mass; Customization calculator; Effective mass calculator; Extended Oct 28, 2017 · A frame with a relatively high swingweight would measure in the neighborhood of 350, and an exceptionally maneuverable frame would be below 300, with the center of the swingweight universe falling Jun 27, 2021 · Tinker your own tennis rackets without expensive tools. 1:14 – Racquet Balance. Generally speaking, heavier racquets are Jul 24, 2021 · Aug 3, 2021. The Ideal Weight Calculator computes ideal body weight (IBW) ranges based on height, gender, and age. The values “14” and “0. Balance Point: The distance, in inches, from the butt end of the grip to the club’s balance point. So, for your example, 10g at 3/9 would add 20 SW, whereas 10g at 12 would add 30 SW. - Can be used to measure the swing time of any pendulum with 0. com for free downloads of tools and additional information. Racquet 2 : 324 SW, +6g overgrip 325g 32. Tennis racket swingweight - what is it? Tennis racket swingweight is a subtle feature, but it does influence the feel of your shots. 4:08 – Examples & Comparisons. - Choose any point to hang the equipment at (independent of the swing point) - Faster and more accurate than the traditional way to measure swing weight. 1 SW point or 2 grams. This tool measures in the middle of the paddle face. But you're starting with data for a strung racquet. 0 through 4. Allow the racquet to swing a few times to settle in. Subtract 14 inches from the result obtained in step 1. 001 Kg so SW increase is 58*58*. This app calculates the balance point and swing weight of a tennis racquet base on filled field such as weight and length of the racquet and other info. The results are as follows with 1) PK Black Ace Kinetic 315, modified to 350g 31cm, and 2) PK Black Ace KInetic 300, modified to 337 32cm. 6 oz and a swing weight of only 301. If all is working well, use the swing weight calculator below to enter your club info. Sep 11, 2023 · Of rackets currently available, the Yonex Astral 115 has the highest twist weight at 17. My Sub70 8 iron comes out to have a D2. 4. 008*57*57) 26 points. R is balance of racquet in cm. Example. Or if I buy two of the same paddle, I would want to match them to static and swing weight. That is what you input into the TW SW calculator. A heavier racket has a higher swingweight because its weight helps propel it. The relationships between racquet weight, balance (center of mass — CM), swingweight (moment of inertia — I), swing speed and shot speed are often topics of much confusion among tennis players. I'm just curious as to why some players might enjoy high static The Racquet Comparison Tool compares properties of any two racquets. Thus, divide 7 by 1/8 and the result is the points head heavy for your paddle. For my club it is 30 7/8″ which equals 30. Adding 8 g should give you a 26 point increase. 5 level rec players. This assumes that you are using a standard 27" frame length. Find or make a mark on the floor to count swings. Could be a factor in developing TE/GE, wrist issues or shoulder issues. Oct 4, 2020 · Talk Tennis Guru. Club Length: The length of the club in inches. 8 swing weight. Tennis rackets range in weight from 8 to 13 ounces (226 to 369 grams). Swingweight refers to the ability of a racket to cut through the air when being swung. This calculator expresses swingweight using the lorythmic scale, which implies a fourteen-inch swingweight fulcrum (355 mm). #4. 75 centimeters after my customizations. #7. If the 1g is added at 3&9 it would depend on the head of the racket 3&9 on a 90 si racket would be higher than 3&9 on a 125 si racket so the SW increase would be higher. 5 inches of normal 1/2 inch wide lead tape. Shaft weight difference of 9 grams. 8 oz but a swing weight of 335. With a low SW against a heavy hitter, you will tend to experience a lot of frame shock delivered to your hand & arm. If you leave swingweight blank, the program will tell you how much swingweight increases, but not what its value is. 4 balance. Higher swingweight has more power but is harder to swing, lower swingweight is easier to swing but has less power. Nov 23, 2022 · Talk Tennis Guru. Based on weight & balance point. Use TWU's Customization worksheet and pretend the weight of the strings you've added is a mass added to the frame that distance from the butt. D is diameter of racquet head (width of racquet head) in cm. 2. Commonly referenced in “points” head-light or head heavy – each “point” represents 1/8 inch. 364 Kg cm^2. Racket 1 kgcm2. Results for #1: 340, 340, 339, 340, 340. 3. A 20-centimeter strip cut in half, centered at 12 o'clock, makes the racket one point less head-light and increases swingweight by 10 points. For any serious player, the balance should be around or bellow even (34,3 cm) and above 31 cm. Club Weight: The weight of the club in grams. Racquet tilt = 10 degrees forward. and where you were adding the weight, etc. 45kgcm2 in recoil weight. Explanation. Impact point = 21 inches from butt. 35 points for each inch longer the club is. Jun 20, 2020 · e A is easy to measure or calculate for any given racquet. Swingweight is nearly proportional to hittingweight and hittingweight is proportional to ACOR, or power potential. #6. But adding 5 g to the hand will not increase the SW by 4 points. The other way to measure the swing weight using the above tools is as follows. Jul 24, 2020 · I like to create a spread sheet for the specs of all the racquets I have or demoed, and knowing the formula would save a lot of work from inputting individual parameters into the swingweight calculator, and I can have the spreadsheet automatically fill in the swingweight based on the specs. 045 — this is weird because a higher MGRI is supposed to be easier to swing, whereas I felt the opposite. cm^2) = 10 x racket length in cm + racket weight in grams. Racket 2 kgcm2. Generally, you can compensate for the lack of weight with a more Characteristics. The more mass there is, the great the recoil weight. EDIT: Another way to say it is the the reciprocal of the distance squared from axis to lead will increase the SW 1 point. Multiply the value obtained in step 2 by the total weight of the club. You can get access to them by subscribing to Impacting Tennis tools here. This is due to advancements in technology and the use of new materials which allow rackets to be lighter without sacrificing performance. 5 cm*sec^2. 875. Beginners should stick to lightweight or medium rackets (weighing less than 11oz), with a head heavy balance. Jul 12, 2020 · Tennis Equipment. 338 kg. 2 points. I'm impressed by this little app. The concern is that the securing method can alter performance. Apr 16, 2016 · Whith SwingTool it is automatic but not available in android. Here’s another problem, you’re measure your periods allowing the racket to pivot on a cross string. The essence; IT customization process; Important parameters; AIM – Average Impact Mass; Customization calculator; Effective mass calculator; Extended Aug 7, 2013 · Tennis Equipment. Example: Suppose you have a golf club with a length of 45 inches, a weight of 12 ounces, and a balance point 8 inches from the butt end. This web site tabulates values of e A for over 1000 different racquets, at 15 different impact points on the strings. Sep 11, 2015 · Sep 11, 2015. 00 out of 5 based on 16 customer ratings. Balance, on the other hand, refers to where the weight is distributed within the racket. Recent Content. So you can confidently leave the swingpoint to the default value. Thread starter taurussable; Start date Aug 7 Measure the distance of the balance point of the club from the end of the grip. Swing-weight. 330ish SW absorbs shock, is stable at contact, and provides easier access to power and spin. 3 g SW = 58*58*0. Anyone know what I'm talking Nov 3, 2015 · Hall of Fame. That means that for this combination of shaft weight and starting head weight, you can MOI-match a set of clubs by building them so the swingweight decreases 1. Check TennisTinker. The price paid for that is greater impact shock. formula under twu swing weight calculator formula under twu swing weight calculator. 272 Kg. All you need is to weigh the club with a gram weight scale and measure the balance point of the shaft and enter those two measurements into the calculator and it will give you readings like C7, D1, etc. These are usually characterized by higher weight and swingweight and lower headsize, balance, and stiffness. Find the clubs balance point and mark it on the shaft. Mar 15, 2014 · Interested by this tool, I wanted to test it with my aeropro drive ready to play (strung, overgrip, dampener, 1. Take the same measurements as you did in Step 1 and Step 2 above. Here, Club Weight: The total weight of the golf club in ounces. The comparison parameters include both statically and dynamically measured performance variables. 5g of lead into buttcap) Dec 3, 2020 · Balance and Swing Weight Calculator. d = distance of mass to axis for SW in cm. Nov 23, 2022. The further away mass is located from the balance point, the great the recoil weight. - Because it is one figure instead of 2 like with the balance and the weight. The dynamic specs are measured during the impact between a ball and racquet. However, swing weight is not a measurement of the total weight of the club. the amount of weight and stability you need to return a 130 mph serve is much more than recreational tennis rackets provide. -step 2, divide total length by 2x to get mid point. -as you've stated, most paddles are HEAD heavy. Length. Jan 5, 2023 · Swingweight is a measure of how difficult it is to swing the racket, and is affected by the weight and distribution of the racket’s head. To get a 4 point increase (4/. like a real swingweight scale. So, I am a firm believer in the theory, fine a light racquet you can Sep 19, 2017 · This is what Tennis Warehouse writes on the subject of tennis racquet balance points: “ Static measure of weight distribution in a racquet and measured from the butt end in inches and/or centimeters. Weigh racquet before stringing. For example, enter component weights to the nearest 1/10th of a gram or length measurements to the nearest 1/8" if possible. Impact Location. Jan 4, 2010 · The calculator is intended for use when adding weight to a racquet. Aug 5, 2020 · Measure distance. After entering these values into the calculator and clicking “Calculate,” the result will display the swing weight. so 1 (SW) = 58*58*kg Do the math for a 1 point increase it takes 0. Weight is also what you feel if you pick the racquet up at the balance point. The Briffidi SW1 allows you to quickly and accurately measure the swingweight of racquets. Characteristics. Meanwhile the new Technifibre 315 Ltd with 16 mains weighs in at a mass of 11. How to extend a tennis racket; Customize grip shape; Measure swingweight; Power pads; Fixing broken racket grommets; Change grip size; How to change the racket butt cap; Customization resources. ( 22 customer reviews) $ 249. - Because the square of the balance point is in the SW so 10 % difference in balance point Sep 21, 2009 · The other thing I question is that the machine swings the racquet from the handle, where swingweight SHOULD be measured, but the pencil method measures the swing from the other end (top) of the racquet, so weight added at 12 oclock will have minimal effect. Enter the gram weight and the distance of the balance point to the butt end. 9 ounces (I think the swing weight is 334) I switched to the new Yonex SV98+ (plus) 27. - 690 (constant?) +5 x balance points (+ number for head heavy points, - number for head light points) Swing Weight: Example: A 3 points Head Heavy racquet 70 cm long racquet weighting 265 g has a swing weight of 10*70 + 265 - 690 + 5 * 3 = 290. Calculated numbers will be different because they are calculated from the very end of the racquet instead of 10cm in front of the very end of the racquet. May 5, 2014 · Just measure swingweight on the machine before stringing. Apr 22, 2021 · The Hireko Golf Assembled Club Swingweight Calculator is designed to measure fully assembled clubs. I would think you should be able to feel the SW difference if you added 40" of lead tape. A positive number means head heavy (all paddles we have tested to date are some degree of head heavy). At 12, 1 gram of lead tape increases SW by about 3 SW units (Kg-cm^2). Make a racket more head-light. Weirdly, MGRI also increased by 0. I performed 5 very accurate trials for each frame. A racket with a higher swing weight will offer more power, but it will be difficult to control. Apr 4, 2024 · Click the “Calculate” button to get the Swing Weight. For example, consider a Babolat Pure Control racquet with a weight of 308 g and swingweight SW = 310. Apr 12, 2016 · If the lead were placed inside the heap at 12 that would be ~58 cm above the SW axis 1 g is 0. 01 s accuracy. Jan 18, 2023 · Measure from the butt of the club to the balance point. cm²) despite its modest specs and 100 square-inch head size. There are only three steps needed: measure the club ’s total weight. - Can be used for all types equipment. These include power potential, sweet zone size, and vibration frequency. 5 inch length. Nov 1, 2018 · The weight in the handle is negligible, as it is very close to the pivot point. To calculate recoil weight, you’ll need to measure the Swing Weight, Balance Point and Static Weight of your tennis Mass, Balance and MR^2. -step 3, any 1/8" after mid point is the balance point. if in doubt use 10 cm. Feb 8, 2024 · Based on the measurements and using the tenncom calculator resource, this addition (of 2g blu tack) was a mere increase of 0. measure the distance of the balance point ( CG) of the club from the butt (edge of the grip cap) enter above data into calculator below. 0:30 – Racquet Weight. As you can see, larger head sizes typically have higher twistweights. video stopwatch / second Angle = Horizontal (top of bounce) Incident Swing. Balancepoint Cm. SW320 is minimum for real tennis players and around 330 to 340 sw range is ideal for 4. Aug 18, 2023 · Golf Swing Weight Explained. Put that number in the calculator below. If we know the racket specifications, we can calculate the recoilweight by using the parallel axes theorem as shown in the equation (1). The Dunlop FX 500 2023 also sticks out as a frame with a very high twistweight (16. I disagree, a paddle with a 115 swing weight (e. Make sure to measure the length of the club only and not include the grip. Aug 14, 2023 · Most swing weight calculators use the Imperial system, which means that measurements should be in inches and ounces. By adding a single strip at 10 and 2, we: Icreased the racquet's total mass by roughly 3 grams (0. More advanced players, however, should choose medium or heavy rackets (more than 11oz) with a head light balance. Head tgk 263. The standard that all racquet-manufacturers use is a swing point at the handle 10 cm up from end cap. Explains how each tennis racquet spec (e. Usually, there are no units given when listing swingweight, just a number of about 200-400, which is the industry standard and is used so that the SW is roughly comparable to the mass of the racket. This table represents the general guidelines that I have followed for several years, but they aren't perfect. Jan 2, 2021 · It is very close to a straight line, with a slope of 1. First one should be obvious, a heavier racket can generate more ball speed/power, provided we can swing it with the same swing speed through the contact point. 008*45*45 or 16. This knowledge can help determine how you Jan 10, 2007 · There was a link here somewhere recently that I used and it had several moving bars - weight, swingweight, etc. 6: Constant denominator used in the calculation. Subtract 6 from the calculation in 1. This will get you to within 1 unit. 11. Measure from buttcap to center of the stringbed. Depends on many things. This helps us understand how much mass the racquet carries and where its distributed. Your other option might be to go with a low-to-moderate SW in a frame Power and Control. Last edited: Apr 12, 2016. Each method allows or prevents certain degrees of freedom of movement. Interestingly, the SW did INCREASE by 7 points by REMOVING weight from the handle (at least based on the TW swing weight calculator)! I guess the SW is not monotonous function of static weight, since the balance also affect SW. -step 1, measure total length of paddle. Once the swing starts, start your timing at the apex, when it returns to that point that is one. In stock form, my racquets were both about 316 swing weight. cm². ounces strung is an ounce lighter than the Duel G, but has a higher swing weight of 340. Calculate! swingweight: Tuning. One back-and-forth swing is equal to one swing. #3. This measurement should be in inches. Swing Angle = 19 degrees upward. 0003. Jan 2, 2008 · 3- If I add weights on butt end of a racquet weighing at 330g to increase HL balance, what's the formula to roughly calculate the added swing weight? 4- What about adding weights on the frame head to increase Head Heavy balance, is there a different formula to calculate swing weight in this case? Feb 15, 2009 · SW (kg. Weigh racquet after stringing. Results for #2: 342, 343, 343, 343, 343. Swingweight calculator - Add as many weights as you wish to the frame. SW = m(rT20 g 4π2 −r2 +(xB − 10cm)2) We can use this expression to calculate swingweight by measuring all the parameters. B. #2. Weight Gram. Strung weight is 355 grams without an overgrip. ) Nov 6, 2020 · Strung measurements with swingweight app: All racquets have a slightly different string setup. You could add another 20-30 grams to the handle of racquet B, and as long as it Aug 20, 2023 · The formula used to calculate swing weight is: Swing Weight = (Club Weight * Club Length) / 28. Mar 22, 2017 · I've added 10 grams at noon, with 4 inch strips of lead, to the racquet. 62 kg. Swing speed (2 choices) All racquets swung with same effort as 310 swingweight at 50 mph (default) All racquets swung at 50 mph. Since the weight was 272 grams that is . Racquets . Nov 22, 2010 · The formula for moment of inertia is the distance from the pivot point to the center of mass squared times the weight. 1 oz) Increased swingweight about 7 to 8 points. Determine the total weight of the club, either in ounces or grams. Vatic Prism) feels drastically different than one with a 130 swing weight (Vatic V7). The SV98+ weighs 11. Feb 18, 2018 · The TW swing weight Calculator is only as accurate at the inputs you provide. Changed the balance slightly, making it not quite one full balance point (about 3/4 balance point) less head-light. Twist weight = MD^2/16. Medium. Hittingweight: The ball is not hit with the full weight of the paddle. Nov 3, 2023 · 1 SW increase. Sep 24, 2017 · I recently after playing with Yonex. For a club weighing 300 grams and measuring 36 inches in length: Experiments analyzing racquet performance during collisions with tennis balls use several methods to secure the racquet — free-standing, hand-held, head-clamped, and handle-clamped. Swingweight (gram-inches): With our online calculator and two simple measurements, you can accurately calculate the swing weight of a golf club without a swingweight scale. AVAILABLE ON BACKORDER. We will use the same methodology as in tennis: each 1/8 th of an inch is 1 point. SW = SWi + mdd. Now, don't get wrapped around the specifics of these two frames and relative values. If you add a counterweight, make sure to adjust for the additional length. The idea of finding the IBW using a formula has been sought after by many experts for a long time. 28. Racquet 3 : 340 SW,, +7g overgrip, +12g handle + 9g around the hoop from 4 to 10, 348g, 32 balance. Racket weight can be split into three categories: Lightweight. To measure the length of your club, use a tape measure and measure from the heel to the end of the shaft. This is the most comprehensive property and depends on virtually every other paddle property, but primarily on swingweight, twistweight, hittingweight, weight, balance and hitting location. 99. Might be better to go with a medium to high SW against big hitters. Measure from the end of the grip cap to the balance point in inches. You should now have the calculated swing weight. Oct 1, 2022 · The swing needs to be 1-2 inches on either side of the centre. 8 grams = 1 balance point (less head-light) = 10 swingweight points. Likewise, you can see how changes to your stroke (contact height, tip speed, swing angle, racquet tilt, and impact location) will affect your outgoing ball. Jan 24, 2018 · Jan 24, 2018. Racquet 1 : 325 SW +6g overgrip, 325g, 32. Currently, there persist several popular formulas, and our Ideal Weight Calculator provides their results for side-to-side comparisons. - Move and change weights to visualize how swingweight, balance and sweet spot location are affected. wk nl am iq ex mi if pc qw ri