Manufacturer→Roto-Grip Drilling Layouts
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| Charts & Legends | Finding the Mass Bias |
| Choose Your Layout | |
|---|---|
| Layout 1 - 1" Pin | Layout 2 - 2" Pin |
| Layout 3 - 3" Pin | Layout 4 - 4" Pin |
| Layout 5 - 5" Pin | Layout 6 - 6" Pin |
| Layout 7 - Full Roller | |
Charts & Legend
Facts:
- Pin Distances: Pin Distance from the PAP (Positive Axis Point) determines the amount of flare and the part of the lane where the ball will maximize it's flare for that particular layout
- Mass Bias: Position of the Mass Bias is used as a fine tuning agent for ball reaction enhancement
- Extra Hole Placement:Placement of an Extra Hole may be required for certain drillings in this guide to achieve legal static balance (see X-hole chart)
Extra Hole Placement:
- (A). On the PAP: Reduces flare and smooths the backend reactions
- (B). Inside the PAP: Extra holes paced inside the PAP or VAL (Vertical Axis Line) enhance flare potential
- (C). Past the PAP: Extra holes placed past the PAP or VAL enhances flare potential, but it is not recommended for high REV players because it may flare over this balance hole.
Finding the Mass Bias
- If Mass Bias is not marked on the ball, then follow these instructions
- To locate the mass bias, draw a line 6-¾" from the Pin through the Center of Gravity (CG) and mark this spot. This indicates the Mass Bias.
Layout 1
1" Pin From PAP
- Flare Potential:
- Minimal Flare; Early
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Earliest Length (1)
Arcing Backend Reaction (1) - Strong:
-
Earliest Length(1)
Slight Angular Backend Reaction (8) - Axis Midplane:
-
Earliest Length (5)
Controlled Backend Reaction (6)
- General Characteristics:
- Works best on medium to heavy oil patterns. Designed for earliest roll and minimal backend reaction.
Layout 2
2" Pin From PAP
- Flare Potential:
- Moderate Flare; Early Mid-lane
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Short Length (3)
Arcing Backend Reaction (4) - Strong:
-
Short Length(3)
Slight Angular Backend Reaction (5) - Axis Midplane:
-
Short Length (3)
Controlled Backend Reaction (3)
- General Characteristics:
- Works best on medium to heavy oil patterns. Designed for early roll and average backend reaction.
Layout 3
3" Pin From PAP
- Flare Potential:
- Maximum Flare; Early to Strong Mid-lane
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Average Length (5)
Hard Arcing Backend Reaction (7) - Strong:
-
Average Length (1)
Angular Backend Reaction (8) - Axis Midplane:
-
Average Length (5)
Controlled Backend Reaction (6)
- General Characteristics:
- Works best on heavy oil patterns. Designed for average length and moderately strong backend reaction.
Layout 4
4" Pin From PAP
- Flare Potential:
- Moderate Flare; Strong Mid-lane and Backend
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Medium Length (6)
Arcing Backend (6) - Strong:
-
Medium Length(6)
Angular Backend (10) - Axis Midplane:
-
Medium Length (6)
Controlled Backend Reaction (7)
- General Characteristics:
- Works best on medium to heavy oil patterns. Designed for medium length and strong backend reaction.
Layout 5
5" Pin From PAP
- Flare Potential:
- Medium Flare; Late Mid-lane and Backend
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Moderate Length (8)
Arcing Backend Reaction (4) - Strong:
-
Moderate Length (8)
Angular Backend Reaction (6) - Axis Midplane:
-
Moderate Length (8)
Controlled Backend Reaction (5)
- General Characteristics:
- Works best on medium to short oil patterns. Designed for moderate length and moderate backend reaction.
Layout 6
6" Pin From PAP
- Flare Potential:
- Minimal Flare; All on the Backend
- Mass Bias Positions and Reaction Characteristics:
-
- Ball Track:
-
Maximum Length (10)
Arcing Backend Reaction (3) - Strong:
-
Maximum Length (10)
Angular Backend Reaction (4) - Axis Midplane:
-
Maximum Length (10)
Controlled Backend Reaction (3)
- General Characteristics:
- Works best on drier oil patterns. Designed for most length and minimal backend reaction.
| Full Roller Layouts | ||
|---|---|---|
| Pin @ 7:30 to CG | Pin @ 9:00 to CG | Pin @ 11:00 to CG |
Pin @ 7:30 to the Center of Gravity
- General Characteristics:
- Maximum Flare Potential and Strongest Backend Reaction.
Pin @ 9:00 to the Center of Gravity
- General Characteristics:
- Moderate Flare Potential and Moderate Backend Reaction
Pin @ 11:00 to the Center of Gravity
- General Characteristics:
- Minimal Flare Potential and Minimal Backend Reaction.
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