USBC Junior Gold Sport

2017 USBC Junior Gold U12 Final Advancers

Junior Gold

The 2017 USBC Junior Gold U12 Final Advancers pattern is a 45-foot long oil pattern with light volume (21.3mL) applied in a 3:1 forward-to-reverse ratio, creating a moderately challenging scoring environment that rewards precision over power. The asymmetrical oil distribution, 12.83mL forward and 8.51mL reverse across 474 total boards, produces a relatively flat midlane with defined but manageable edges, allowing bowlers to find multiple angles while punishing careless lines. This pattern favors controlled strokers and smooth releases over aggressive rev rates, as the light volume creates quick downlane transition and modest backend reaction, making consistency and line repeating more critical than raw ball speed or hook potential.

DISTANCE: 45' RATIO: 3:1 VOLUME: 21.33 FORWARD: 12.83 REVERSE: 8.51 PUMP: 45ยตL DROP BRUSH: 40' TANKS: FIRE & FIRE

โ€ข Reverse Drop Brush

45'
Length
21.3mL
Volume
3:1
Ratio
474
Boards Crossed
Forward 12.83 mL (60%)
Reverse 8.51 mL (40%)
Conditioner FIRE & FIRE
Pump Type 45ยตL
Dual Tank No
Peak Oil Board Board 11 (810 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
3.00
8L-12L : 18L-18R
Middle Track : Middle
1.36
13L-17L : 18L-18R
Inside Track : Middle
1.00
18L-18R
Middle
1.00
18L-18R : 17R-13R
Middle Inside : Track
1.00
18L-18R : 12R-8R
Middle Middle : Track
1.36
18L-18R : 7R-3R
Middle Outside : Track
3.00
Zone
Ratio
0 0 150 150 300 300 450 450 600 600 750 750 900 900 124681012141618191918161412108642
Forward
Reverse

Forward Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 6 45 18 9,990
2 10 30 3 45 18 2,835
3 2 38 0 45 18 0
4 2 38 0 45 10 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 10 30 9 45 26 8,505
2 2 38 0 45 10 0
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