Lead / Tungsten Tape Customizer

Enter your measured strung racket specs (or fill in an incomplete preset) and adjust mass across frame zones.

2D Frame Coordinate SchematicL = 68.58 cm (27.0 in)

Tap [+] / [−] or a zone circle to adjust in 0.5 g steps±0.5g

Approximate zone geometry (x = length from butt cap, y = lateral distance from long axis). Replace with frame measurements when available.

Sweetspot effective-mass heatmapShown in the 2D schematic only.Lead tape placement

Enter TW (twistweight) to compute the heatmap.

1. Base Strung Racket Input

My measured racket (recommended)Catalog seed list

Select String Model (Optional)Cross String (Hybrid, Optional)When set, stiffness uses 0.65·main + 0.35·cross and bed tension uses a 16:19 count-weighted average.

Strung weight

Balance (COM from butt)

Swingweight (SW)

kg·cm²

Twistweight (TW, optional)

kg·cm²

Impact height x (for Me)

= 52.00 cm · 20.47 in

1.5. Variable Beam Profile & 3D Geometry23/26/23 mm · aero

Configure 3D aerodynamic beam taper (Tip/Hoop/Throat) and cross-section shape to model 3D inertia tensors and dynamic frame stiffness.

12 o'clock Tip Thickness

23.0 mm

3/9 o'clock Hoop Thickness

26.0 mm

Throat / Shaft Thickness

23.0 mm

Cross-Section Aerodynamic Profile

1.6. Accessories Layer (independent)None selected

Overgrip, leather replacement grip and dampener are modelled separately from lead tape. They affect the physics but the stringer work order prints lead tape only.

Overgrip (1 wrap, +5.5 g)x = 10.5 cm · y = 0 cmLeather replacement grip (+9.0 g)x = 10.5 cm · y = 0 cmVibration dampener (+2.5 g)x = 38.5 cm · y = 0 cm

Lead tape total +0.0 g · Accessories total +0.0 g= 0.0 g

No accessories selected

2. Zone Mass Sliders

Values for paired zones (10 & 2, 3 & 9) are the total for the pair, split equally between left and right sides.

12 o'clock (Tip)

x=68 cm (26.8 in) · y=0 cm (0.0 in)

0.0 g

10 & 2 o'clock (Upper Hoop)Pair total split 50/50

x=60 cm (23.6 in) · y=9.5 cm (3.7 in)

0.0 g

3 & 9 o'clock (Perimeter)Pair total split 50/50

x=52 cm (20.5 in) · y=12 cm (4.7 in)

0.0 g

Throat

x=30 cm (11.8 in) · y=3 cm (1.2 in)

0.0 g

Grip Top

x=18 cm (7.1 in) · y=1.5 cm (0.6 in)

0.0 g

Butt Cap

x=2 cm (0.8 in) · y=1.5 cm (0.6 in)

0.0 g

Total added mass+0.0 g

3. Real-Time Δ Gauges

Enter non-null weight, balance, and swingweight to enable the physics simulation.

Elbow Load Check (Heuristic Model)

Enter all base racket specs to activate the Elbow Shock Index (ESI) and tension loss simulation.

Share & Community Export

Formatted summary (for r/10s, Talk Tennis, communities)

Enter valid base specs to generate the community share summary.

Lead / Tungsten Tape Customizer

Enter your measured strung racket specs (or fill in an incomplete preset) and adjust mass across frame zones.

2D Frame Coordinate SchematicL = 68.58 cm (27.0 in)

Tap [+] / [−] or a zone circle to adjust in 0.5 g steps±0.5g

Approximate zone geometry (x = length from butt cap, y = lateral distance from long axis). Replace with frame measurements when available.

Sweetspot effective-mass heatmapShown in the 2D schematic only.Lead tape placement

Enter TW (twistweight) to compute the heatmap.

1. Base Strung Racket Input

My measured racket (recommended)Catalog seed list

Select String Model (Optional)Cross String (Hybrid, Optional)When set, stiffness uses 0.65·main + 0.35·cross and bed tension uses a 16:19 count-weighted average.

Strung weight

Balance (COM from butt)

Swingweight (SW)

kg·cm²

Twistweight (TW, optional)

kg·cm²

Impact height x (for Me)

= 52.00 cm · 20.47 in

1.5. Variable Beam Profile & 3D Geometry23/26/23 mm · aero

Configure 3D aerodynamic beam taper (Tip/Hoop/Throat) and cross-section shape to model 3D inertia tensors and dynamic frame stiffness.

12 o'clock Tip Thickness

23.0 mm

3/9 o'clock Hoop Thickness

26.0 mm

Throat / Shaft Thickness

23.0 mm

Cross-Section Aerodynamic Profile

1.6. Accessories Layer (independent)None selected

Overgrip, leather replacement grip and dampener are modelled separately from lead tape. They affect the physics but the stringer work order prints lead tape only.

Overgrip (1 wrap, +5.5 g)x = 10.5 cm · y = 0 cmLeather replacement grip (+9.0 g)x = 10.5 cm · y = 0 cmVibration dampener (+2.5 g)x = 38.5 cm · y = 0 cm

Lead tape total +0.0 g · Accessories total +0.0 g= 0.0 g

No accessories selected

2. Zone Mass Sliders

Values for paired zones (10 & 2, 3 & 9) are the total for the pair, split equally between left and right sides.

12 o'clock (Tip)

x=68 cm (26.8 in) · y=0 cm (0.0 in)

0.0 g

10 & 2 o'clock (Upper Hoop)Pair total split 50/50

x=60 cm (23.6 in) · y=9.5 cm (3.7 in)

0.0 g

3 & 9 o'clock (Perimeter)Pair total split 50/50

x=52 cm (20.5 in) · y=12 cm (4.7 in)

0.0 g

Throat

x=30 cm (11.8 in) · y=3 cm (1.2 in)

0.0 g

Grip Top

x=18 cm (7.1 in) · y=1.5 cm (0.6 in)

0.0 g

Butt Cap

x=2 cm (0.8 in) · y=1.5 cm (0.6 in)

0.0 g

Total added mass+0.0 g

3. Real-Time Δ Gauges

Enter non-null weight, balance, and swingweight to enable the physics simulation.

Elbow Load Check (Heuristic Model)

Enter all base racket specs to activate the Elbow Shock Index (ESI) and tension loss simulation.

Share & Community Export

Formatted summary (for r/10s, Talk Tennis, communities)

Enter valid base specs to generate the community share summary.

RacketSpec Lab

Lead / Tungsten Tape Customizer

3. Real-Time Δ Gauges

Elbow Load Check (Heuristic Model)

Share & Community Export

RacketSpec Lab

Lead / Tungsten Tape Customizer

3. Real-Time Δ Gauges

Elbow Load Check (Heuristic Model)

Share & Community Export