USBC USBC Senior Masters Sport

2024 USBC Senior Masters

USBC Senior Masters

The 2024 USBC Senior Masters presents a medium 41-foot pattern with a moderately heavy 32.5mL oil volume and a 2.29:1 ratio that creates a defined yet playable track geometry favoring controlled angular ball motion. The forward-weighted oil distribution (18.65mL vs. 13.8mL reverse) combined with 649 boards crossed generates a pattern with moderate wall shape that rewards precision in the breakpoint; the ratio's leaning toward length rather than hook encourages bowlers to play straighter angles rather than relying on extreme entry angles. This ICE & ICE conditioner pattern sits in a sweet spot for senior competition: enough oil to prevent ball skidding but reactive enough to punish poor line selection, making it equally challenging for strokers and crankers who must dial in their preferred play area early in the squad.

DISTANCE: 41' RATIO: 2.29:1 VOLUME: 32.45 FORWARD: 18.65 REVERSE: 13.8 PUMP: 50ยตL DROP BRUSH: 38' TANKS: ICE & ICE

โ€ข Reverse Drop Brush

41'
Length
32.5mL
Volume
2.29:1
Ratio
649
Boards Crossed
Forward 18.65 mL (57%)
Reverse 13.8 mL (43%)
Conditioner ICE & ICE
Pump Type 50ยตL
Dual Tank No
Peak Oil Board Board 12 (1100 ยตL)

Board-by-Board Volume

Zone
Ratio
3L-7L : 18L-18R
Outside Track : Middle
2.29
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
1.02
18L-18R : 7R-3R
Middle Outside : Track
2.24
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 4 50 18 7,400
2 3 36 1 50 18 1,700
3 5 35 3 50 18 4,650
4 8 33 2 50 18 2,600
5 9 31 2 50 18 2,300
6 2 38 0 50 18 0

Reverse Loads Data

# Start Stop Load Mics Speed T.Oil
1 2 38 0 50 30 0
2 9 32 6 50 18 7,200
3 6 34 2 50 18 2,900
4 2 38 2 50 18 3,700
5 2 38 0 50 14 0
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