- Distance
- 40 ft
- Length
- Medium
- Ratio
- 1.59:1
- Series
- U.S. Open
- Total oil
- 33.15 mL
- Forward
- 19.80 mL
- Reverse
- 13.35 mL
Volume note. Kegel’s published sheet lists 28.51 mL for this pattern. We show 33.15 mL, computed directly from Kegel’s downloadable machine file — whose per-board oil dose differs from the dose printed on Kegel’s PDF. The board layout, loads, and oil ratio match Kegel exactly.
Lane diagram
scale light heavy
Oil volume per board
forwardreverse
Machine load specs
Forward
| Boards | Loads | Mics | Speed | Feet | Crossed | Oil µL |
|---|---|---|---|---|---|---|
| 2L–2R | 9 | 50 | 18 | 0.0–20.4 | 333 | 16650 |
| 11L–9R | 3 | 50 | 18 | 20.4–28.0 | 63 | 3150 |
| 2L–2R | 0 | 50 | 18 | 28.0–40.0 | 0 | 0 |
Reverse
| Boards | Loads | Mics | Speed | Feet | Crossed | Oil µL |
|---|---|---|---|---|---|---|
| 2L–2R | 0 | 50 | 30 | 36.0–31.0 | 0 | 0 |
| 10L–8R | 3 | 50 | 18 | 31.0–23.4 | 69 | 3450 |
| 6L–6R | 3 | 50 | 18 | 23.4–15.8 | 87 | 4350 |
| 2L–2R | 3 | 50 | 18 | 15.8–8.2 | 111 | 5550 |
| 2L–2R | 0 | 50 | 14 | 8.2–0.0 | 0 | 0 |