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Writer's pictureDon Garland

Unitree's Go2-W: Leading the Robotics Innovation with All-Terrain Versatility and Cutting-Edge Technology

Unitree Go2-W robot demonstrating all-terrain mobility and advanced robotics innovation in a rugged desert environment.

Around this time last year, robotics company Unitree captivated the tech world with its $1,600 second-generation robot dog, renowned for its impressive tricks and advanced capabilities. Now, Unitree has unveiled an all-terrain upgrade that promises even more versatility and robotics innovation.


While robot quadrupeds are fast, agile, and endearing, their four-legged design isn’t always ideal for every scenario. Sometimes, wheels are more practical, as demonstrated by the likes of the Swiss-Mile Robot and the W1. Unitree has now embraced this innovative trend with the introduction of the Go2-W.


The new wheeled bot, showcased in the video below, displays a more assertive demeanor compared to its non-wheeled predecessor. It even seems to outpace the original Go2 in a direct sprint, although both models share a top speed of 5.6 mph (2.5 m/s).



Unitree Go2 New Upgrade

The Go2-W retains the advanced features of the original Go2, including super-wide-angle LiDAR and wide-angle vision cameras in its sensor suite, octa-core processing, and connectivity options like Wi-Fi, 4G, and Bluetooth. Its 15,000-mAh battery provides up to four hours of operation per charge, with fast-charging capabilities to minimize downtime.


The key upgrade lies in its mobility. Each leg now ends in a motorized wheel with a 7-inch pneumatic tire, allowing the Go2-W to smoothly navigate flat surfaces and adjust for minor obstacles. The wheels can lock, enabling the bot to switch to a walking gait for tackling more challenging terrain, climbing stairs, overcoming obstacles, or performing acrobatic feats like balancing on its front legs.


Category

Specifications

Mechanical Specifications

Dimension of standing: 70cm x 43cm x 50cm


 Weight (with battery): About 18kg

Electron Parameter

Voltage: 33.6V


 Payload: About 3kg


 Speed: 0-2.5m/s

Performance Parameters

Max Climb Drop Height: < 70cm


 Max Climb Angle: 35°


 Basic Computing Power: 8-core High-performance CPU

Joint Parameters

Aluminum knee joint motor: 16


 Max Joint Torque: About 45N.m


 Tyres: 7 Inch Pneumatic Tire

Sensor Parameters

Super-wide-angle 3D LiDAR


 HD Wide-angle Camera

Feature List

Basic Action


 Upgraded Intelligent OTA


 APP Support


 Manual controller


 Front Lighting Lamp


 WIFI & 4G & Bluetooth


 Voice Function


 Secondary development

Accessories

Expansion Module: Standard 100Tops arithmetic module (Orin NX)


 Battery Type: Long endurance (15000mAh)


 Endurance: 2-4h


 Charger: Fast charge (33.6V 9A)


 Warranty Period: 12 months

This versatile robodog can carry a payload of around 6.6 lb (3 kg), stands taller than the Go2 at 27.6 inches (70 cm), and weighs approximately 40 lb (18 kg). It also features front lighting for nighttime operations and a voice function, likely powered by the same natural-language GPT engine found in the non-wheeled model.


With these enhancements, Unitree's Go2-W represents a significant leap forward in the field of robotics, combining the agility of a quadruped with the versatility of a wheeled vehicle.

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