All patterns
PR4.5
- Distance
- 40 ft
- Volume
- 24.56 mL
- Ratio
- 3.75:1
- Drop brush
- 38 ft
- Forward
- 16.24 mL
- Reverse
- 8.32 mL
- Tanks
- FIRE
- Pump
- 45µL
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 4 | 45 | 14 | 3 | A - Fire | 0 → 6 | 6,660 |
| 2 | 4L | 4R | 1 | 45 | 18 | 3 | A - Fire | 6 → 8 | 1,485 |
| 3 | 5L | 7R | 2 | 45 | 18 | 3 | A - Fire | 8 → 13 | 2,610 |
| 4 | 9L | 9R | 2 | 45 | 18 | 3 | A - Fire | 13 → 18 | 2,070 |
| 5 | 11L | 10R | 2 | 45 | 18 | 3 | A - Fire | 18 → 24 | 1,800 |
| 6 | 12L | 11R | 2 | 45 | 18 | 3 | A - Fire | 24 → 29 | 1,620 |
| 7 | 2L | 2R | 0 | 45 | 22 | 3 | A - Fire | 29 → 40 | 0 |
| Total | 16,245 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 45 | 30 | 3 | A - Fire | 38 → 27 | 0 |
| 2 | 11L | 11R | 2 | 45 | 22 | 3 | A - Fire | 27 → 21 | 1,710 |
| 3 | 9L | 9R | 3 | 45 | 18 | 3 | A - Fire | 21 → 13 | 3,105 |
| 4 | 8L | 8R | 2 | 45 | 18 | 3 | A - Fire | 13 → 8 | 2,250 |
| 5 | 7L | 6R | 1 | 45 | 14 | 3 | A - Fire | 8 → 6 | 1,260 |
| 6 | 2L | 2R | 0 | 45 | 10 | 3 | A - Fire | 6 → 0 | 0 |
| Total | 8,325 µL | ||||||||
Pinlocity Rating (PR)
How hard this pattern plays, 1 (a walled house shot) to 10 (long, flat, and heavy). Moderate. Computed from the sheet numbers and the load tables; no opinions involved.
- Ratio 45%5.7Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%3.039 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%4.2Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%3.920 to 26 mL is typical; heavier or lighter both add difficulty.
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Notes
Kegel Pattern Library: Usbc Patterns / USBC Senior Queens.
Sheet dated 2019-01-01. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and USBC.

