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PR7.8
USBCSport
2023 USBC Jr. Gold - Qualifying (U15B & U20BG)
PR7.8What's this?Designed for: REVERSE DROP BRUSH
- Distance
- 50 ft
- Volume
- 23.90 mL
- Ratio
- 2.11:1
- Drop brush
- 40 ft
- Forward
- 11.75 mL
- Reverse
- 12.15 mL
- Tanks
- KEGEL
- Pump
- 50µL
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 1 | 50 | 14 | 3 | A - KEGEL | 0 → 0 | 1,850 |
| 2 | 4L | 4R | 6 | 50 | 18 | 3 | A - KEGEL | 0 → 15 | 9,900 |
| 3 | 2L | 2R | 0 | 50 | 22 | 3 | A - KEGEL | 15 → 50 | 0 |
| Total | 11,750 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 50 | 30 | 3 | A - KEGEL | 40 → 37 | 0 |
| 2 | 7L | 7R | 5 | 50 | 22 | 3 | A - KEGEL | 37 → 22 | 6,750 |
| 3 | 7L | 7R | 4 | 50 | 22 | 3 | A - KEGEL | 22 → 9 | 5,400 |
| 4 | 2L | 2R | 0 | 50 | 18 | 3 | A - KEGEL | 9 → 0 | 0 |
| Total | 12,150 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%8.4Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%10.039 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%5.8Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%3.520 to 26 mL is typical; heavier or lighter both add difficulty.
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Notes
Kegel Fire Oil Kegel Pattern Library: Usbc Patterns / Junior Gold.
Sheet dated 2023-08-01. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and USBC.

