Manufacturer Listing -> Brunswick -> Large Pin-Out
Layout 2 - Aggressive layout: Delayed roll
Layout 3 - Aggressive layout: Earlier Roll
Use X-holes to increase or decrease track flare learn more here
Note: Finger, Thumb and X-holes must have at least a moderate bevel and the riser Pin must be at least one in from any drilled hole to comply with the brunswick warrenty.
Typical semi-roller
CG/Heavy spot below the grip center for approximately 3/4 oz positive side weight.
Pin above the finger 5 1/2" from axis.
Typical semi-roller
CG/Heavy spot below the grip center for approximately 3/4 oz positive side weight
Pin above the finger 3 3/8" from axis
Place the pin near the span line, 5" from axis and at least 1" below the finger holes.
Place the CG/Heavy spot in the positive/thumb quadrant at the 4:30 orientation from the grip center
Drill X-hole in the positive/thumb quadrant approximately 6" out in the 4:30 direction, brining the ball back to statically legal amount of side weight.
This -Xhole position will inscrease track flare and raise the bow-tie positions making this layout usable
Balls with large pin-outs (4"-5.5") are sometimes a cause of concern. Included are three drilling for a large pin-out bowling balls. The first two layouts place the pin well above the finger holes. This position will provide slightly more length than the more common lower pin layouts. The third layout produces an aerlier roll giving the ball driller a full range of ball reacion options when drilling large pin-out balls.
- Tame Layout - Delayed Roll
Pin close to the Span Line above the fingers
- Aggressive layout - Delayed roll
Pint close to the leverage position above the fingers
- Aggressive layout - Earlier Roll
Pin under the fingers
CG in the 4:30 direction
X-hole to bring the ball back to statically legal.
