The Bay Dynamics Service Unit (BDSU) Unit 201, operated under the name BDSU Tuai, was designed specifically for flooded Hydro Tunnel inspections with a number of different configurations available but specialising in real time VSLAM 3D model visualisation & generation.

Depending on the type of data capture required. Tether ranges available up to 12,000m via high strength Fibre Optic Cable.

Specs include:

• *Battery capacity of 72Ah for duration dives exceeding 10 hours
• *Front & Rear Navigation HD cameras
• *Options for up to 12 Lights
• *Options for up to 4 additional cameras
• *4 Channel Ethernet Ports
• *10Gb/s Fibre Optic Topside communications
• *4 Survey Ports for serial data RS485 / RS232
• *Universal Payload bay 
• *Survey Grade Altimeter
• *Survey Grade Gyro
• *Integrated HD Multibeam Navigation Sonar
• *Manipulator Options
• *Integrated Photogrammetry Stereo Cameras
• *360 Profiling Sonar

This ROV is currently in use by Bay Dynamics’ own Operations Team around NZ for a range of hydro-power companies.