Stringing MachineStringing VariationCalibration
Why the Same Reference Tension Feels Different Between Stringers
Machine type, calibration, clamps, work sequence, and stringer technique can all affect the finished result.
Player overview
Constant-pull and crank operation, machine calibration, pull speed, clamp slippage, and knots can each change the finished string bed.
Measurement guide
- If the issue repeats, record each shop's result with the same racquet, string, and reference tension.
- Clearly communicate the machine type, recent calibration, and any prestretch or knot requests.
- Measure immediately afterward with the same procedure, but compare repeatability rather than one absolute number.
Latest measurement
A reproducible string job preserves process details along with the tension number.
TENNIS TENSION LAB
Tension Lab: String Tension
Measure string tension, track every change, and plan your next restring.