About RoboSub




Launched in 1997, RoboSub is an international level competiton that is held annually in San Diego . College and high schools teams from across the globe build their own Autonomous Underwater Vehicles (AUV) and compete in various categories. The goal of this competition is to further the research in the field of AUVs with the help of the new generation. The tasks assigned to the vehicles mimic real world situations and give students a chance to find innovative way of working through them.

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RoboSub 2025 Submission

Matsya 7, our vehicle for RoboSub 2025, brings together a refined monohull design, smarter electronics, and enhanced autonomy. With improved accessibility and thermal management, our new hull design enables faster assembly and better component integration. We've transitioned to a single-board RPi Pico stack for streamlined control, real-time power monitoring, and safer actuator operation. A robust carbon fibre frame and custom mounts improve handling and protection. On the software front, the OakD stereo camera powers depth perception and onboard YOLO inference, while our custom GUI accelerates debugging. Matsya 7 is faster, safer, and built to perform.




Oct, 2024

The side walls for Matsya 7 were custom-designed and manufactured to ensure optimal hydrodynamics and structural integrity. They played a crucial role in minimizing drag and protecting internal components during underwater operations.

Nov, 2024

Matsya 6 successfully returned from RoboSub 2024 (RS24), marking the end of its competitive journey. The vehicle’s performance and learnings now pave the way for Matsya 7’s development and future missions.

Dec, 2024

Camera hull was successfully manufactured, enhancing the visual capabilities for underwater navigation and object detection.

Matsya 6 was proudly displayed at TechConnect 2024, IIT Bombay, showcasing its engineering and design excellence.

Structural frames were manufactured to provide a robust skeleton for Matsya 7’s assembly.

Baseplate and flange were fabricated to ensure stable mounting of internal systems and watertight integrity.

Secured runner-up position in a national-level case competition on the ROV market in India, emphasizing sustainable marine solutions.

Jan, 2025

The new marker dropper assembly was manufactured with improved precision and reliability for underwater task execution.

Preliminary testing of the marker dropper confirmed that its deployment mechanism functions as intended.

The frames were anodized to enhance their resistance to corrosion and wear in harsh marine environments.

The main hull was welded to provide a strong, watertight enclosure for the vehicle’s internal components.

Feb, 2025

The main hull was anodized to improve its corrosion resistance and surface durability in underwater conditions.

The first waterproofing test was conducted to evaluate the hull’s integrity and identify any potential leaks.

Based on the test results, the main hull was rewelded to seal minor imperfections and strengthen structural joints.

Vacuum Pressure Impregnation (VPI) was performed on the main hull to further enhance its waterproofing and ensure long-term reliability.

March, 2025

The vehicle passed its first 5-minute waterproof test using marine weld epoxy, followed by successful 1-hour and 8-hour waterproof tests, after which it was officially declared waterproof.

Preliminary electrical stack testing and assembly were completed, culminating in the first full electrical assembly and in-air testing during an intense overnight session.

A working solution for servo integration was successfully figured out through jugaad and experimentation.

All thruster shrouds were 3D printed and prepared for integration, contributing to safe and efficient propulsion.