MC Maullín

The MC Maullín is an ultra-portable, reliable, and versatile ROV designed by Marine Connection for underwater work at depths of up to 100 meters. Its reinforced chassis provides stability and strength for safe performance in inspection and maintenance operations, and it is optimized for rapid deployment and small crews.

It offers precise maneuverability and efficient operation, and is controlled from an ultra-portable computer (Steam Deck), facilitating its transport, setup, and handling in the field. Backed by Marine Connection's local technical service, the MC Maullín delivers continuity and reliability in every operation, making it the ideal choice for those who need a compact, easy-to-deploy unit ready to meet the practical requirements of underwater robotics.

Ultra Compact Version

The MC Maullín is an ROV designed by Marine Connection with a focus on portability and operational simplicity. Unlike other larger and more complex equipment, the Maullín can be deployed quickly without requiring extensive additional equipment.

Thanks to its compact size and light weight, it is easy to transport and handle, making it the ideal solution for tasks that demand speed and mobility. It can be operated from a Steam Deck-type laptop or similar equipment, eliminating the need for bulky control consoles or dedicated command stations.

This independence from complex infrastructure not only streamlines the start of each operation but also reduces logistical and technical costs. In practice, the MC Maullín allows a minimal team to carry out underwater inspections efficiently, safely, and without interruption, while maintaining the reliability and support of Marine Connection's local technical service.

Uses of the MC Maullín

The MC Maullín is designed to perform a wide range of critical tasks in underwater environments, combining reliability and operational versatility. Its main features are:

Underwater inspections of structures such as aquaculture cages, moorings, pipes, docks, vessels, anchor lines and hulls.
Removal of shipwreck debris and objects, supporting recovery maneuvers and cleaning of the seabed.
Cleaning of structures and the seabed, using integrated tools that allow the clearing of sediments and obstructions.
Precision laser measurements, ideal for assessing damage, objects or submerged structures.
Cutting operations, using tools such as discs or clamps to cut ropes, cables, chains or other items underwater.
Environmental monitoring, with audiovisual recording, sediment control and collection of technical information.

Technical Specifications

Dimensions and Weight

Dimensions: Width x Length x Height: 40 × 43 × 33 cm
Weight: 16.5 kg

Power Source (Sold separately)

UPS 1kVA.
1kVA inverter generator, 220V AC.

Umbilical Cable

Conductive material: copper.
Structural reinforcement: reinforced with Kevlar fiber, which gives it high mechanical strength and durability against tension and abrasion.
Diameter: 10 mm.
Maximum traction: supports up to 300 kg of force, ensuring stability and safety during operation under demanding conditions.
Maximum distance: up to 150 meters, allowing for wide coverage for in-depth inspections and maneuvers.
Durability and sealing: designed to work in marine environments, withstanding humidity, pressure and frequent handling without compromising power or data transmission.

Propulsion and Performance

Thrusters: 3 × T200 (1 vertical, 2 horizontal)
Maximum cable distance: 150 m

Construction and Strength

Chassis: Ultra-high-density plastic (Extra UHMW polyethylene)
Umbilical cable: copper reinforced with Kevlar fiber, 10 mm thick, tensile strength up to 300 kg
Pressure sensors: up to 30 BAR

Camera and Lighting

Camera: Full HD 1080p
Lighting: 2 × 1500 lumens

Console and Control

Video console: Steamdeck portable computer. Dimensions 11.7 cm x 29.8 cm x 4.9 cm, weight 669 g.
Controller control: Buttons on the portable Steamdeck.

Optional sensors

CO₂ and H₂S: useful in environmental monitoring and safety, especially in areas where there is a risk of emissions or contamination.
CTDO (Conductivity, Temperature, Depth and Dissolved Oxygen): essential for oceanographic research and water quality studies.
Oil detection in water: ideal for environmental inspections and spill control.
UTM/CP probes: allow measuring corrosion potentials and cathodic protection in underwater metallic structures.

Sonar and advanced vision systems

Image sonar: for explorations in low visibility.
Multibeam or high-definition sonar: environment and help in bathymetry tasks and precise surveys.

Tools and Accessories

Cutting tools: blade or rotating disc for interventions on cables, ropes or underwater structures.
Underwater laser: for making accurate measurements of distances, diameters and deformations in structures.
USBL (Ultra Short Base Line): an acoustic positioning system that allows the ROV to be located in real time, very useful in precision operations or in open water.

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