Rankings: High, low, average, median, SD
The following are based on racquet specifications measured by technicians of the U.S. Racquet Stringers Association, and published in Racquet Tech magazine for 2002.
| Torque Nms of torque | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 67.54 | 90.37 | 60.03 | 75.04 | 57.51 |
| Standard Deviation | 5.73 | 6.74 | 5.10 | 6.37 | 4.29 |
| Worst | 81.70 | 107.12 | 72.62 | 90.78 | 68.16 |
| Best | 54.00 | 74.24 | 48.00 | 60.00 | 47.24 |
| Median | 67.22 | 90.12 | 59.75 | 74.69 | 57.35 |
| Impulse Reaction Newtons of force 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | -12.12 | -21.33 | -10.77 | -13.46 | -13.57 |
| Standard Deviation | 5.97 | 7.10 | 5.31 | 6.64 | 4.52 |
| Worst | -31.18 | -41.81 | -27.71 | -34.64 | -26.61 |
| Best | 2.43 | -6.87 | 2.16 | 2.70 | -4.37 |
| Median | -12.17 | -21.18 | -10.82 | -13.53 | -13.48 |
| Shock Joules of energy 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 19.41 | 50.79 | 2.52 | 3.93 | 20.57 |
| Standard Deviation | 1.49 | 3.37 | 0.21 | 0.33 | 1.37 |
| Worst | 22.75 | 58.23 | 3.06 | 4.79 | 23.58 |
| Best | 15.77 | 42.44 | 2.00 | 3.13 | 17.18 |
| Median | 19.43 | 50.89 | 2.52 | 3.94 | 20.61 |
| Work Joules of energy 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 21.63 | 70.62 | 3.44 | 5.38 | 28.60 |
| Standard Deviation | 1.52 | 4.22 | 0.35 | 0.54 | 1.71 |
| Worst | 25.10 | 81.54 | 4.49 | 7.01 | 33.02 |
| Best | 18.14 | 62.03 | 2.63 | 4.11 | 25.12 |
| Median | 21.39 | 69.90 | 3.43 | 5.36 | 28.31 |
| Shoulder Pull Newtons of force 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 48.56 | 155.16 | 7.73 | 12.07 | 62.83 |
| Standard Deviation | 2.30 | 6.36 | 0.61 | 0.95 | 2.57 |
| Worst | 54.31 | 171.64 | 9.54 | 14.91 | 69.51 |
| Best | 42.79 | 139.54 | 6.21 | 9.70 | 56.51 |
| Median | 48.50 | 154.66 | 7.71 | 12.04 | 62.63 |
| Shoulder Crunch Newtons of force 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 43.58 | 111.56 | 5.65 | 8.82 | 45.18 |
| Standard Deviation | 2.32 | 4.88 | 0.34 | 0.54 | 1.97 |
| Worst | 48.62 | 122.62 | 6.52 | 10.19 | 49.66 |
| Best | 37.19 | 97.78 | 4.72 | 7.37 | 39.60 |
| Median | 43.48 | 111.36 | 5.66 | 8.84 | 45.10 |
| Elbow Crunch Newtons of force 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 60.61 | 153.83 | 7.85 | 12.27 | 62.29 |
| Standard Deviation | 2.71 | 5.54 | 0.41 | 0.64 | 2.24 |
| Worst | 66.90 | 167.37 | 8.88 | 13.88 | 67.78 |
| Best | 52.74 | 137.33 | 6.69 | 10.45 | 55.61 |
| Median | 60.56 | 153.80 | 7.84 | 12.26 | 62.28 |
| Wrist Crunch Newtons of force 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 107.86 | 267.47 | 13.97 | 21.83 | 108.31 |
| Standard Deviation | 2.93 | 6.24 | 0.49 | 0.76 | 2.53 |
| Worst | 115.93 | 283.90 | 15.25 | 23.83 | 114.97 |
| Best | 99.18 | 249.86 | 12.58 | 19.66 | 101.18 |
| Median | 108.02 | 267.44 | 13.98 | 21.84 | 108.30 |
| Impact Force Newtons acting at mass center 1 Newton = 0.2248 lb 167 Racquets 2002 | 1 BC 70 mph forehand, received at 20 mph | 2 BC 110 mph serve | 3 BC 40 mph volley, received at 40 mph | 4 BC 50 mph return, received at 50 mph | 5 BC 70 mph serve |
|---|---|---|---|---|---|
| Average | 54.32 | 301.60 | 214.60 | 268.25 | 191.93 |
| Standard Deviation | 1.34 | 7.10 | 5.31 | 6.64 | 4.52 |
| Worst | 58.61 | 322.08 | 231.55 | 289.43 | 204.96 |
| Best | 51.05 | 287.13 | 201.67 | 252.09 | 182.72 |
| Median | 54.33 | 301.44 | 214.65 | 268.32 | 191.83 |
| Sweet Spot Average (cm from tip) | 18.31 |
| Standard Deviation | 1.10 |
| Worst | 21.76 |
| Best | 15.51 |
| Median | 18.35 |
| Moment Average (Nms of torque about axis 7 cm from butt) | 0.799 |
| Standard Deviation | 0.042 |
| Worst | 0.942 |
| Best | 0.688 |
| Median | 0.803 |
| Flex Average | 67.65 |
| Standard Deviation | 5.52 |
| High | 80 |
| Low | 52 |
| Median | 68 |
| Swingweight Average (kgf/cm² about axis 10 cm from butt) | 313.5 |
| Standard Deviation | 18.30 |
| High | 395 |
| Low | 277 |
| Median | 313 |
| Mass Average (grams) | 293.47 |
| Standard Deviation | 32.04 |
| High | 354 |
| Low | 221 |
| Median | 289 |