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FRC Build System
  • Overview and Features
    • Stage Tube Lengths
    • Tubing Hole Pattern
  • General Info
    • Kit Contents
      • Complete Kits
      • Individual Components
      • Ratio Kits
    • Ratio Options
      • Custom Gear Ratios
    • Configurations
  • Assembly Instructions
    • Getting Started
    • Bottom Block
    • Top Block
    • Base Gearbox
      • Step 1-5
      • Step 6-10
    • Base Gearbox with Brake
      • Step 1-5
      • Step 6-11
    • Base Gearbox with Ratchet
      • Step 1-5
      • Step 6-11
    • Base Gearbox (Flipped)
      • Step 1-5
      • Step 6-11
    • Final Assembly
  • Applications
    • Mounting
      • External String
      • Internal String
    • Hooks
    • Combined Gearbox
  • Misc
    • Maintenance
    • FAQ & Trouble Shooting
    • Changelog
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  1. Overview and Features

Tubing Hole Pattern

PreviousStage Tube LengthsNextKit Contents

Last updated 7 months ago

The holes in the bottom of the Base Tube and top of the Intermediate/Base Tubes are used to pin the Top Blocks and Gearbox to their respective tubes. The holes in the bottom of the Intermediate Tube are used to install the Bottom Blocks, Hardstops, and CF Springs to their respective tubes. The top of the output tube will be determined by the user. This is the recommended spot for the Telescope String to anchor to, as it is the easiest place to do so.

Unless otherwise specified all holes are 0.196”, or clearance for #10-32 Bolts

Drilling Guides

The jigs below ensure perfectly aligned and positioned holes for the 1 to 4 stage tubes. Simply cut your desired tube to length, slide it into the jig, and drill out the necessary holes.

We recommend installing a bolt after drilling the first hole to secure the tube and prevent misalignment.

All of the Step files below are compatible with the WCP Press Fit Drill Bushings ().

WCP-0321
97KB
1x1 Drill Guide.SLDPRT
123KB
1.5x1.5 Drill Guide.SLDPRT
115KB
2x2 Drill Guide.SLDPRT
115KB
2.5x2.5 Drill Guide.SLDPRT
105KB
3x3 Drill Guide.SLDPRT