USBC Junior Gold Sport

2022 USBC Junior Gold U12 U15 Pattern #1

Junior Gold

The 2022 USBC Junior Gold U12/U15 Pattern #1 is a 37-foot medium oil pattern with a 2.3:1 ratio that presents a moderately challenging environment for developing bowlers. The asymmetrical oil distribution (13.45mL forward, 11.6mL reverse) across 501 boards creates a relatively playable yet defined oil line, rewarding shot makers who can navigate the midlane transition without over-skidding or burning up the backend too quickly. This pattern favors controlled, line-conscious bowlers over high-rev players, as the moderate volume and medium distance leave minimal margin for error: the 2.3:1 ratio provides enough friction differential to punish wild angles while still allowing small adjustments in speed and rotation to move the breakpoint laterally.

DISTANCE: 37' RATIO: 2.3:1 VOLUME: 25.05 FORWARD: 13.45 REVERSE: 11.6 PUMP: 50ยตL DROP BRUSH: 34' TANKS: KEGEL

โ€ข Reverse Drop Brush

37'
Length
25mL
Volume
2.3:1
Ratio
501
Boards Crossed
Forward 13.45 mL (54%)
Reverse 11.6 mL (46%)
Conditioner KEGEL
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 14 (850 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
2.30
8L-12L : 18L-18R
Middle Track : Middle
1.00
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
1.00
18L-18R : 7R-3R
Middle Outside : Track
2.30
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 1 50 18 1,850
2 5 35 4 50 18 6,200
3 7 33 4 50 18 5,400
4 2 38 0 50 18 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 0 50 30 0
2 7 33 4 50 18 5,400
3 5 35 4 50 18 6,200
4 2 38 0 50 18 0
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