Brackets and mounts
Lunar Excavation Rover
- Bounding box
- 87 × 143.8 × 61.8 mm
- Engine
- 3D Printing B-rep
- Parameters
- 29
- Published
- November 4, 2026
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The prompt
You are an expert Robotics Engineer and Webots Simulation Developer specializing in space exploration systems. Task: I need you to design the specifications and generate the Webots PROTO file code (and equivalent 3D CAD parameters) for a lunar excavation rover. Rover Specifications: Environment: Lunar surface simulation (gravity: 1.62 m/s²). The physics and bounding objects must account for low gravity and regolith interaction. Chassis: Box-style or rigid frame made of lightweight aerospace materials (simulated appearance: metallic thermal blankets or anodized aluminum). Locomotion: 4 or 6-wheeled skid-steer or articulated suspension (like a rocker-bogie). The wheels must be wide, metallic mesh-style wheels designed for lunar regolith traction. Excavation Payload: A simple, front-mounted robotic arm equipped with an excavation bucket/scoop for collecting lunar soil. It needs a base shoulder joint (pitch) and a bucket wrist joint (pitch) using Webots HingeJoint nodes with appropriate RotationalMotor limits. Sensors: Include a front-facing Camera (for teleoperation) and a basic Lidar for mapping the terrain in front of the bucket. Power: Top-mounted solar panel array. Deliverables Required: Webots PROTO Code: Write a complete, structurally sound Webots .proto file for this rover. Include the Solid base node, physics properties (mass distribution), boundingObject primitives, and fully configured HingeJoints for the wheels and the excavation arm. CAD Modeling Guide: Provide a brief breakdown of the precise geometric dimensions (in meters) and parent-child hierarchy that I should use if I am modeling this manually in Blender or Fusion360 before exporting to Webots (VRML97/OBJ). Controller Stub: A basic Python controller script template to drive the wheels forward and actuate the excavation bucket down and up.
Parameters
| Name | Value | Range |
|---|---|---|
| Chassis length | 90 mm | 60 – 140 |
| Chassis width | 50 mm | 30 – 90 |
| Chassis height | 24 mm | 12 – 50 |
| Chassis underside height | 14 mm | 6 – 40 |
| Wheel diameter | 36 mm | 20 – 70 |
| Wheel width | 12 mm | 6 – 30 |
| Wheelbase | 60 mm | 30 – 110 |
| Spokes per wheel | 8 mm | 4 – 16 |
| Traction grousers on rim | 12 mm | 6 – 24 |
| Arm beam width | 10 mm | 6 – 24 |
| Arm beam thickness | 7 mm | 4 – 16 |
| Bucket offset ahead of chassis | 26 mm | 10 – 60 |
| Bucket width | 44 mm | 20 – 90 |
| Bucket depth | 24 mm | 12 – 50 |
| Bucket height | 24 mm | 12 – 60 |
| Bucket plate thickness | 3 mm | 1.6 – 6 |
| Bucket bottom above ground | 4 mm | 0 – 30 |
| Rocker beam width | 6 mm | 3 – 12 |
| Rocker beam thickness | 6 mm | 3 – 12 |
| Rocker clearance outside wheel | 1 mm | 0 – 6 |
| Solar panel length | 46 mm | 20 – 90 |
| Solar panel width | 44 mm | 20 – 90 |
| Solar panel thickness | 2 mm | 1 – 6 |
| Panel height above chassis | 9 mm | 3 – 30 |
| Frame border / post inset | 3 mm | 1 – 8 |
| Camera mast height above chassis | 14 mm | 6 – 40 |
| Lidar body diameter | 16 mm | 8 – 40 |
| Lidar body height | 10 mm | 4 – 30 |
| Lidar mounting tower height | 6 mm | 2 – 20 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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