USBC USBC Women's Open Championship Challenge

2013 USBC Women's Championships

USBC Women's Open Championship

The 2013 USBC Women's Championships pattern is a medium-length 40-foot track with a notably forgiving wall structure created by its 4.32:1 ratio, which concentrates oil heavily in the front (16.3mL forward versus 6.1mL reverse) and limits total board movement to 447 boards. This forward-loaded design, applied via KEGEL conditioning with 22.4mL total volume, creates a defined track area that rewards consistency and reduces the penalty for minor adjustments, making it more playable for the broader field while still challenging elite competitors. The pronounced wall essentially funnels balls into a manageable breakpoint, favoring strokers and controlled players over extreme angle play, though the medium volume still allows for noticeable backend reaction once balls reach the dry.

DISTANCE: 40' RATIO: 4.32:1 VOLUME: 22.35 FORWARD: 16.3 REVERSE: 6.05 PUMP: 50ยตL DROP BRUSH: 30' TANKS: KEGEL

โ€ข Reverse Drop Brush

40'
Length
22.4mL
Volume
4.32:1
Ratio
447
Boards Crossed
Forward 16.3 mL (73%)
Reverse 6.05 mL (27%)
Conditioner KEGEL
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 7 (950 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
4.32
8L-12L : 18L-18R
Middle Track : Middle
1.70
13L-17L : 18L-18R
Inside Track : Middle
1.01
18L-18R
Middle
1.00
18L-18R : 17R-13R
Middle Inside : Track
1.01
18L-18R : 12R-8R
Middle Middle : Track
1.70
18L-18R : 7R-3R
Middle Outside : Track
4.32
Zone
Ratio
0 0 150 150 300 300 450 450 600 600 750 750 900 900 1050 1050 124681012141618191918161412108642
Forward
Reverse

Forward Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 3 50 14 5,550
2 7 33 2 50 18 2,700
3 9 31 2 50 18 2,300
4 11 29 3 50 18 2,850
5 13 27 3 50 18 2,250
6 14 26 1 50 18 650
7 2 38 0 50 30 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 0 50 30 0
2 12 28 1 50 22 850
3 10 30 2 50 18 2,100
4 8 32 1 50 18 1,250
5 2 38 1 50 14 1,850
6 2 38 0 50 10 0
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