Ghost Robotics Spirit 40

Our Verdict: Purpose-built for indoor tactical operations. Fills a critical gap between small drones and full-size military quadrupeds.

The Ghost Robotics Spirit 40 is a mid-size quadruped designed for indoor reconnaissance, urban security, and tactical operations where the larger Vision 60 would be impractical. At roughly 12 kg, it can navigate tight corridors, stairs, and confined spaces.

Built with the same ruggedized philosophy as its larger sibling, the Spirit 40 features sealed electronics, all-terrain feet, and support for lightweight ISR payloads. It is increasingly adopted by law enforcement and security firms for building clearance and perimeter monitoring.

Indoor tactical reconnaissance Building security and clearance Law enforcement operations Confined space inspection

Specifications

Weight 12 kg (26 lbs)
Battery Life 120 minutes
Max Speed 2.0 m/s
Payload Capacity 5 kg (11 lbs)
IP Rating IP54
Navigation Visual SLAM, GPS-denied
Noise Level Low-noise operation mode

Pros & Cons

A quick summary of where this model performs well and where it falls short.

Pros

  • Compact enough for indoor operations
  • GPS-denied navigation capability
  • Low-noise operation mode
  • Proven Ghost Robotics reliability

Cons

  • Restricted availability
  • Limited payload compared to Vision 60
  • High price for its size
  • Requires operator certification

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