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PTAE-7 turbojet engine

Hindustan Aeronautics Limited (HAL) has commenced work to develop a 4.2kN class turbojet engine which is an upgraded PTAE-7 turbojet engine that the company claims will be powering upgraded remotely piloted high-speed target drone system that Aeronautical Development Establishment (ADE) is developing.

PTAE-7 turbofan engine is a 3.43 kN single spool turbojet developed in the 1980s that weighs 65 kg. Upgraded PTAE-7 turbojet engine that will be getting new turbine blades and an improved digital electronic fuel control system, hardened compressor sections, and most important things of all a full authority digital engine control (FADEC) system to provide optimized performance and control that is expected from a modern turbojet engine.

HAL might use a 4.2kN turbojet engine to power CATS Warrior in Twin engine configuration with chevron exhaust.

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