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1.5.6 - XRP Launcher Game

Check out the 3D Model of the XRP Bot With Ping Pong Shooter Attached

We will make the shooter concept together, following a collaborative design process for a physical product. Following these steps will help you successfully achieve a working product, but feel free to iterate on your own—just be sure not to veer too far off and return to this tutorial to complete the challenge.

Testing Ping Pong Shooter

Testing Ping Pong Shooter.

Main Components of the Build

Section titled “Main Components of the Build”
  1. Magazine/Hopper and Shooter Structure
    • The primary assembly for ball storage and shooter mounting; includes the feeder mount.
  2. Winch Roller
    • Custom roller designed to manage the string used for shooter angle adjustment.
  3. Electronics Board
    • Mounting plate for the Arduino and additional circuitry.
  4. Feeder Wheel
    • Mechanism that moves balls from the hopper into the flywheel path.
  5. Flywheel
    • High-speed wheel made of TPU for shooting the ping-pong balls.
  6. Pivot Mount
    • Main interface to the XRP chassis that allows the launcher to tilt on a 10-32 axle.
  7. Winch Mount
    • Dedicated bracket to secure the winch motor to the XRP frame using zipties.

Students are provided all 3D printed components as a kit, and will be able to modify and/or improve them if they want to. The game is designed to be completed with the default robot design and should be able to score points as a standard kitbot.