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# A4WD3 Frame Only

Last modified by Eric Nantel on 2024/10/21 14:51
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Table of Contents

- Description
- Features
- Specifications
- Dimensions
- CAD Files
- Media
- User Guide
- What's Included

# Description

The Lynxmotion A4WD3 Rugged Rover is a general purpose mobile robotic platform. The frame is intended to be used in three configurations: 4WD; Mecanum & Tracked, and variations of each platform include without electronics (so developers can integrate their own parts); an RC version and microcontroller-based for autonomous or semi-autonomous use.

The machined aluminum frame integrates rotary seals around each motor shaft, and solid rubber cord between the frame and all panel openings, making it dust and water resistant. A large marine inspection hatch on the top panel provides easy access to internal parts as well as being able to quickly swap or recharge batteries. Aside from the internal electronics mounting plate, the platform is symmetric and can be inverted.

The rover includes four powerful 12V DC motors coupled to 51:1 all metal planetary gears. The rear shaft of each motor is equipped with a magnetic encoder which provides 12 pulses per revolution (PPR). These motors provide 4WD and allow the rover to reach a top speed of around 3m/s (120”/s) without payload.

Front and rear access panels are made of G10 composite and are intended to allow users to machine openings to add their own components, which may include a wired tether for power and control, LED or LCD feedback, a handle, or whatever else their application may need. Included are a pair of transparent polycarbonate panels which allow for an internally mounted camera and/or or LED lights for increased visibility. Additional panels are available separately.

# Features

- 4x planetary geared DC motors (12V) with rear encoders
- Machined aluminum frame with G10 composite plates
- Shaft seals & solid rubber cord for water and dust resistance
- Internal mounting plate for electronics & battery

# Specifications

A4WD3 Chassis

- Weight: 3.12kg (6.89lbs)
- Rating: Water and dust resistant
- Chassis: Aluminum frame & G10 (fiberglass) Pannels

Motors

- Output Shaft: D-Shape 8mm
- Operating Voltage: 12VDC
- Gears: Metal planetary gear
- Unload Speed: 170RPM (±10%)
- Loaded Speed: 145RPM (±10%)
- Torque: 11.5kg.cm (9.98lb.in)
- Gear Ratio: 51:1
- Current: ≤3A

Encoder

- Operating Voltage: 5V
- Signal: Square wave AB 90 deg,
- Pulse: 12 PPR
- Frequency: 800kHz

# Dimensions

- Length: 320mm / 12.598"
- Width: 241mm / 9.488"
- Height: 78.5mm / 3.091"

# CAD Files

- A4WD3-Chassis.zip

# Media

# User Guide

| A4WD3 Frame Only Rover KIT steps: 01 - Frame 02 - Parts

# What's Included

A4WD3 Parts
2x - A4WD3-FP | 2x A4WD3-SP | 1x A4WD3-TP | 1x A4WD3-BP | 1x A4WD3-EP | 2x A4WD3-FA-L
Front Plate | Side Plate | Top Plate | Bottom Plate | Electronic Plate | Large Access
4x A4WD3-FA-S | 4x A4WD3-FA-S-S | 4x A4WD3-FA-S-Clear | 6x A4WD3-H-G-6IN |  |
Small Access | Access Surrounding | Transparent Access | Hatch Gasket |  |

Screws | Standoffs | Nuts |
60x SHS-16 | 38x SHS-17 | 6x FHS-02 | 10x AHS-22-BA | 6x SLN-05 |
SHS M3 x 5mm | SHS M3 x 10mm | M5 x 16mm | Aluminum M3 x 10mm Standoff | M5 Lock Nut |

Miscellaneous
4x A4WD3-OS-16x8 | 10ft ORING-2MM | 1x A4WD3-H-6IN | 20x ZIP-TIE-7IN | 2x VCS-09 |
8mm Oil Seal | O-Ring Material | Marine 6" Hatch | Cable Ties 7" | Velcro Strap |

Brushed DC Motors | Hex Keys |  |  |
4x 36GP 540-51-EN | 1x HEX-2.5mm | 1x HEX-3mm |  |  |
12V Gear Motor | Hex Key 2.5mm | Hex Key 3mm |  |  |

Tags:
Created by Eric Nantel on 2021/07/28 07:37

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