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Gas Turbine Research Establishment (GTRE) in Bengaluru, India, has embarked on an ambitious project to design and develop a variant of the 4.4kN thrust class Small Turbo Fan Engine (STFE) specifically for the Air-Launched Cruise Missile (ALCM) program. This project aims to equip the ALCM with a lower-thrust 3.3kN STFE variant, allowing it to achieve a range of over 500 kilometres.

According to the Defence Research and Development Organisation (DRDO), the STFE engine is a generic twin-spool engine that does not feature an afterburner. It is designed to be an expendable, single-use engine with a short operational lifespan, making it ideal for use in the ALCM program. The engine is composed of various modules that work together to ensure optimal performance and reliability.

In addition to the engine development, GTRE has also taken on the responsibility of developing sub-systems and line replacement units (LRUs) for the ALCM. These include critical components such as alternators, pyro systems, fuel injection systems, and digital engine control systems. Collaborating with both public and private research and development establishments, as well as industries in India, GTRE is working towards establishing a robust and self-reliant supply chain for these crucial sub-systems.

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