How to extend UAV flight time beyond 2 hours using hydrogen fuel cell propulsion

Dumarey’s Partnership with FC4Drones and MavTech

In collaboration with MavTech, we develop a hydrogen-powered UAV solution designed to maximize flight endurance, improve operational efficiency, and ensure safe, reliable performance for demanding mission profiles.

Clients:

FC4Drones

Industries:

Aviation

Applications:

Agriculture| Delivery| Emergency response| Firefighting| Surveillance

Customer Benefits

A high-endurance, low‑maintenance drone platform offering extended flight time, simplified refueling, and safe, silent operations.

Customer Requirements

The project consists in developing a drone capable of performing long‑endurance missions without compromising operational flexibility, safety, or ease of use.

Key needs included:

Significantly extending flight time beyond conventional battery-powered drones
Providing a quick and simple refueling process
Ensuring silent operations for surveillance and sensitive missions
Maintaining zero-emission performance
Delivering a robust system suitable for various professional applications

Results

Up to 2 hours of autonomous flight time.
Zero-emission propulsion thanks to hydrogen fuel cell technology.
Quieter, more discreet operation for sensitive missions.
Rapid and straightforward refueling process.
Improved operational safety through system integration and testing.
Compliance with relevant drone and hydrogen safety regulations.

Dumarey Solutions

Dumarey provided a complete development and integration package, including:

System Integration: definition of key system requirements, general layout, and interface design based on the drone’s intended mission.
Engineering Support & Consultancy: design of the full hydrogen fuel cell propulsion system.
Project & Supplier Management: project coordination and procurement of critical components.
Software & Controls: specification and development of the control unit for the propulsion system.
Testing & Calibration: verification of the operational profile and performance parameters.
Regulation & Certification: analysis and definition of applicable regulations for UAVs and hydrogen technologies.

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