PBA PBA Jr. Patterns Challenge

2023 PBA Jr. McEwan

PBA Jr. Patterns

The 2023 PBA Jr. McEwan is a medium-length pattern at 41 feet with a forgiving walled design, characterized by its 5.75:1 ratio that creates defined track areas and reduces transition variance between boards. The asymmetrical oil distribution (14.4mL forward to 12.05mL reverse) promotes a controlled backend reaction without excessive skid, making it playable for bowlers who need consistency without requiring precision line play. This pattern rewards controlled speed and hand position while the 529 total boards crossed emphasizes area play over sharp angles, ideal for junior bowlers developing their fundamentals in a competitive environment.

DISTANCE: 41' RATIO: 5.75:1 VOLUME: 26.45 FORWARD: 14.4 REVERSE: 12.05 PUMP: 50ยตL DROP BRUSH: 35' TANKS:

โ€ข Reverse Drop Brush

41'
Length
26.5mL
Volume
5.75:1
Ratio
529
Boards Crossed
Forward 14.4 mL (54%)
Reverse 12.05 mL (46%)
Conditioner
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 7 (1150 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
5.75
8L-12L : 18L-18R
Middle Track : Middle
1.64
13L-17L : 18L-18R
Inside Track : Middle
1.02
18L-18R
Middle
1.00
18L-18R : 17R-13R
Middle Inside : Track
1.00
18L-18R : 12R-8R
Middle Middle : Track
1.64
18L-18R : 7R-3R
Middle Outside : Track
5.75
Zone
Ratio
0 0 150 150 300 300 450 450 600 600 750 750 900 900 1050 1050 1200 1200 124681012141618191918161412108642
Forward
Reverse

Forward Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 2 50 10 3,700
2 5 35 1 50 14 1,550
3 7 33 1 50 14 1,350
4 8 33 1 50 18 1,300
5 9 32 1 50 18 1,200
6 11 30 2 50 18 2,000
7 12 29 2 50 18 1,800
8 14 28 2 50 18 1,500
9 2 38 0 50 18 0
10 2 38 0 50 22 0
11 2 38 0 50 30 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 0 50 30 0
2 13 27 2 50 18 1,500
3 11 28 2 50 18 1,800
4 10 29 1 50 18 1,000
5 9 30 2 50 18 2,200
6 8 31 2 50 14 2,400
7 7 32 1 50 14 1,300
8 2 38 1 50 14 1,850
9 2 38 0 50 14 0
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