DRDO Successfully Demonstrates Solid Fuel Ducted Ramjet Technology

Defence Research and Development Organization (DRDO) successfully demonstrated Solid Fuel Ducted Ramjet (SFDR) technology on February 3, 2026, from Odisha’s Chaandipur coast. The achievement places India in an elite global league of nations possessing this cutting-edge propulsion technology. SFDR will enable the development of long-range air-to-air missiles, significantly enhancing the Indian Air Force’s combat effectiveness and tactical superiority in future aerial warfare.

About Solid Fuel Ducted Ramjet Technology

• Solid Fuel Ducted Ramjet is an advanced air-breathing propulsion system designed for high-speed missiles.
• Unlike conventional rocket motors that burn fuel quickly, SFDR allows controlled combustion of solid fuel, sustaining thrust over a longer duration.
• This enables missiles to maintain high speed and manoeuvrability even at extended ranges, giving them a decisive edge in air combat.
• Only a handful of countries currently possess this sophisticated technology, underlining the strategic importance of India’s success.

Test Details of Solid Fuel Ducted Ramjet Technology

• The SFDR system was initially propelled by a ground booster motor to achieve the desired Mach number.
• After separation, all critical subsystems including the nozzle-less booster, SFDR motor, and fuel flow controller performed exactly as designed.
• The missile’s performance was tracked using advanced instrumentation deployed along the Bay of Bengal coast, validating system efficiency through real-time flight data collected at ITR Chandipur.

Key DRDO Laboratories Involved

• The demonstration was monitored by senior scientists from leading DRDO laboratories, including the Defence Research & Development Laboratory, High Energy Materials Research Laboratory, Research Centre Imarat, and Integrated Test Range.
• Their coordinated efforts reflect India’s growing expertise in indigenous missile propulsion and systems integration, aligning with the broader vision of self reliance in defense technology.

Strategic and Defence Significance

• SFDR technology is a game changer for India’s missile arsenal.
• It will form the backbone of next-generation long-range air-to-air missiles, enabling higher kill probability against agile enemy aircraft.
• This advancement enhances deterrence capability, strengthens air superiority, and reduces dependence on foreign propulsion technologies.
• It also supports the government’s Aatmanirbhar Bharat push in defense manufacturing.

About DRDO

Key Summary at a Glance

Question

Q. SFDR technology is primarily used in which type of missiles?

A. Surface-to-surface
B. Ballistic missiles
C. Air-to-air missiles
D. Cruise missiles