Here's the comparison between the two Mission Specialist ROVs:
| Mission Specialist Wraith | Mission Specialist Defender | |
|---|---|---|
| Thrusters | 10 | 7 |
| Payload (lifting capacity) | 36.3 kg | 9.5 kg |
| Dimensions (L × W × H) | 1312 × 776 × 343 mm | 711 × 394 × 238 mm |
| Weight | Not listed in the catalog | 17.2 kg |
Both ROVs share the same vision platform: an Ultra 4K Smart Camera powered by an NVIDIA Jetson Orin NX with a 1 TB SSD onboard. avinc.com +1avinc.com ↗“Ultra 4K Smart Camera uses an NVIDIA Jetson Orin NX processor with a 1 TB SSD”avinc.com ↗“Ultra 4K Smart Camera uses an NVIDIA Jetson Orin NX processor with a 1 TB SSD”
Summary of the differences:
- Thrusters: The Wraith is a ten-thruster compact maritime ROV rated for 1000 m depth, while the Defender is a seven-thruster ROV built for heavier payloads and intervention with a 300 m standard (and deeper) configuration. avinc.com +1avinc.com ↗“ten-thruster compact maritime ROV with a 1000 m depth rating”avinc.com ↗“seven-thruster ROV for heavier payloads and intervention, with 300 m standard”
- Payload: The Wraith offers substantially more lifting capacity at 36.3 kg versus the Defender's 9.5 kg. avinc.com +1avinc.com ↗“36.3 kg lifting capacity”avinc.com ↗“robot.payload_kg=9.5 kg”
- Size: The Wraith's published Expeditionary configuration measures 1312 × 776 × 343 mm, roughly twice the footprint of the Defender at 711 × 394 × 238 mm. avinc.com +1avinc.com ↗“1312 x 776 x 343 mm (L x W x H)”avinc.com ↗“711}”
Both are AeroVironment products in the VideoRay Mission Specialist line. If you'd like, you can find more detail in their datasheets: Wraith and Defender.