USBC Junior Gold Sport

2021 USBC Junior Gold Qualifying (U18 U20) 35ft.

Junior Gold

The 2021 USBC Junior Gold Qualifying 35ft pattern presents a moderately challenging test with its 2.64:1 forward-to-reverse ratio and medium oil volume, demanding precision from the approach. The forward-heavy oil distribution (18.75mL vs 8.85mL reverse) creates a relatively flat front with defined walls in the back, rewarding controlled speed and line selection over excessive revs: strokers and tweeners gain an advantage here over crankers. At 35 feet with 552 boards crossed by the KEGEL conditioner, the pattern compresses the typical reaction window into a shorter distance, so even small adjustments in targeting or ball selection become magnified, making it an ideal stage for evaluating junior bowlers' fundamentals and adaptability.

DISTANCE: 35' RATIO: 2.64:1 VOLUME: 27.6 FORWARD: 18.75 REVERSE: 8.85 PUMP: 50ยตL DROP BRUSH: 22' TANKS: KEGEL

โ€ข Reverse Drop Brush

35'
Length
27.6mL
Volume
2.64:1
Ratio
552
Boards Crossed
Forward 18.75 mL (68%)
Reverse 8.85 mL (32%)
Conditioner KEGEL
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 11 (950 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
2.26
8L-12L : 18L-18R
Middle Track : Middle
1.08
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
2.64
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 1 50 14 1,850
2 2 37 1 50 14 1,800
3 2 36 1 50 14 1,750
4 5 35 2 50 18 3,100
5 7 34 3 50 18 4,200
6 9 33 3 50 18 3,750
7 10 32 2 50 18 2,300
8 2 38 0 50 22 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 8 32 2 50 18 2,500
2 4 33 2 50 18 3,000
3 2 34 1 50 14 1,650
4 2 35 1 50 14 1,700
5 2 38 0 50 10 0
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