All patterns
PR7.5
- Distance
- 42 ft
- Volume
- 26.85 mL
- Ratio
- 1.57:1
- Drop brush
- 34 ft
- Forward
- 17.75 mL
- Reverse
- 9.10 mL
- Tanks
- KEGEL
- Pump
- 50µL
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 2 | 50 | 10 | 3 | A - KEGEL | 0 → 1 | 3,700 |
| 2 | 2L | 2R | 1 | 50 | 14 | 3 | A - KEGEL | 1 → 3 | 1,850 |
| 3 | 4L | 4R | 3 | 50 | 18 | 3 | A - KEGEL | 3 → 11 | 4,950 |
| 4 | 6L | 6R | 3 | 50 | 22 | 3 | A - KEGEL | 11 → 20 | 4,350 |
| 5 | 6L | 6R | 2 | 50 | 26 | 3 | A - KEGEL | 20 → 27 | 2,900 |
| 6 | 2L | 2R | 0 | 50 | 26 | 3 | A - KEGEL | 27 → 42 | 0 |
| Total | 17,750 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 50 | 22 | 3 | A - KEGEL | 34 → 28 | 0 |
| 2 | 9L | 9R | 1 | 50 | 18 | 3 | A - KEGEL | 28 → 25 | 1,150 |
| 3 | 7L | 7R | 1 | 50 | 18 | 3 | A - KEGEL | 25 → 23 | 1,350 |
| 4 | 5L | 5R | 2 | 50 | 22 | 3 | A - KEGEL | 23 → 17 | 3,100 |
| 5 | 3L | 3R | 2 | 50 | 22 | 3 | A - KEGEL | 17 → 11 | 3,500 |
| 6 | 2L | 2R | 0 | 50 | 14 | 3 | A - KEGEL | 11 → 0 | 0 |
| Total | 9,100 µL | ||||||||
Pinlocity Rating (PR)
How hard this pattern plays, 1 (a walled house shot) to 10 (long, flat, and heavy). Tough. Computed from the sheet numbers and the load tables; no opinions involved.
- Ratio 45%9.8Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%4.739 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%7.1Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%5.320 to 26 mL is typical; heavier or lighter both add difficulty.
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Notes
Kegel Pattern Library: International / Norwegian Bowling Federation.
Sheet dated 2022-07-05. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and WTBA.

