Solid Fuel Ducted Ramjet (SFDR)

Solid Fuel Ducted Ramjet (SFDR)

What is the News?

  • Defence Research and Development Organisation (DRDO) successfully flight tested the second indigenously developed ‘Solid Fuel Ducted Ramjet (SFDR)’ propulsion based missile system from Odisha.
  • The success of SFDR propulsion technology is a significant milestone and will pave the way for the development of long-range air-to-air missiles in the country.

What is Ramjet?

  • Ramjet is a form of air-breathing jet engine that uses the vehicle’s forward motion to compress incoming air for combustion without a rotating compressor.
  • Ramjets can be particularly useful in applications requiring a small and simple mechanism for high-speed use, such as missiles.

About SFDR

  • It is a missile propulsion technology jointly developed by India and Russia.
  • It will help both India’s surface-to-air and air-to-air missiles to perform better and enhance their strike range, making them more lethal.

How it is different from Conventional Missiles?

  • SFDR propulsion technology is different from conventional solid fueled or liquid fueled missiles.
  • Lot of conventional missiles uses booster or sustainer configuration with solid or liquid propellants, which have limitations against manoeuvring target.
  • The minimal stage of conventional missiles cannot provide enough energy to maintain their speed in order to hit targets.
  • SDFR technology removes this drawback by exceptionally enhancing endgame manoeuvrability of missile at terminal stage when its seeker is locked onto target.

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