1. Catalogs
  2. Sub-Atlantic
  3. NAVAJO Inspection Class ROV Data Sheet

NAVAJO Inspection Class ROV Data Sheet

NAVAJO Inspection Class ROV Data Sheet

NAVAJO Inspection Class ROV Data Sheet

Product catalog summary
Navajo Portable ROV System Overview
The Navajo Portable ROV System is designed for high reliability and easy maintenance, featuring color zoom and low light monochrome cameras, high power LED lighting, and a depth rating of 300 meters (1000 feet). It offers auto-heading and depth capabilities, with a thrust of 55 kgf (121 lbs) and a forward speed of 3.5 knots. The system includes a laser scaling system and can carry a payload of 10 kg (22 lbs), with options for additional tools and manipulators.

Design and Features
The Navajo ROV is engineered to support instruments like CP & UT sensors, task-specific work skids, and small manipulators, enhancing its functionality beyond mere observation. Its design eliminates cables and connectors, utilizing Sub-Atlantic's unique "wet" thruster and a modular design with corrosion-resistant plastics, ensuring enhanced reliability and cost-effectiveness.

System Components
The main components of the Navajo system include:
  • Surface Control Unit
  • Hand Controller
  • Umbilical
  • Navajo Vehicle (ROV)
  • Optional Cable Reel
  • Optional ROV Flight Case

Specifications
  • Depth Rating: 300 msw (1000 fsw)
  • Payload: 10 kg (22 lb) standard, 17 kg (37.5 lb) optional
  • Dimensions: Height 411 mm, Length 1025 mm, Width 628 mm
  • Mass in Air: 42 kg (93 lb)
  • Max Thrust: Forward 55 kgf, Lateral 18 kgf, Vertical 18 kgf
  • Max Velocity: Forward 1.75 m/s, Lateral 0.75 m/s, Vertical 0.75 m/s
  • Turning Rate: 120 Degrees per Second

Surface Control Unit Specifications
  • Height (operation): 600 mm, (transport): 353 mm
  • Width: 510 mm
  • Depth (operation): 630 mm, (transport): 673 mm
  • Mass: 41 kg (90 lb)
  • Power Requirement: 80-264Vac, 1ph, 47-440Hz, 3.0-4.8kW

Tether and Cable
The tether options include standard, light, and neutral, with varying diameters and weights.

Additional Features
The system includes a portable flight case, integral flat screen monitor, PS2 controller, and video overlay. Lighting is provided by three 30-Watt halogen lamps with dimmer control. The frame is made of high impact resistance and buoyant polypropylene with stainless steel fasteners. Optional tooling and manipulators enhance intervention capabilities.
See more

Catalog excerpts

NAVAJO Inspection Class ROV Data Sheet-1

NAVAJO Portable ROV System Navajo is suitable for offshore and inshore use. The compact size and weight allows it to be transported and deployed from a small vehicle, yet it is large enough to provide a stable platform for video and sonar surveys. High Reliability, Easy Maintenance Colour Zoom & Low Light Mono Cameras High Power LED Lighting 300 Metre / 1000 ft Depth Rated Video Overlay 3.5 Knots Forward Speed Laser Scaling System 10 kg / 22 lb Payload with greater options Tools and Manipulator Options Navajo has been designed to carry and control instilments such as CP & UT sensors, dedicated task-specific work skids and small manipulators making this vehicle more than just an "eyeball". En- hanced reliability and low cost of purchase and ownership have been achieved by the elimination of cables and connectors, Sub-Atlantic's unique "wet" thruster and a simple modular design using corrosion resistant plastics. Navajo System Components The main system consists of the following: Surface Control Unit Hand Controller Cable Reel (Optional) ROV Flight Case (Optional) Navajo Datasheet Revision I a Page I

 Open the catalog to page 1
NAVAJO Inspection Class ROV Data Sheet-2

System Conponents Surface Control Unit ■ Portable flight case ■ Integral flat screen monitor ■ 3 off 30-Watt Halogen lamps, dimmer controlled Camera Facilities ■ Integrated low light monochrome & colour zoom ■ High Impact Resistance & Buoyant polypropylene with stainless steel fasteners ■ Different tether options availible Tooling & Manipulators ■ Optional I, 2 or 3 function electrical manipulator ■ A range of tools have been designed to maximise ntervention capability Navajo System Specification Max. Thrust @ 0 Knots with zero voltage losses: MaxVelocity/Operational Current: Surface Control...

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.