ISRO Successfully Conducts Long-Duration Hot Tests of Additive Manufactured Liquid Engine
ISRO achieved a major milestone with the successful hot testing of liquid rocket engine manufactured through Additive Manufacturing (AM) technology for a duration of 665 s on May 9, 2024. The engine used is the PS4 engine of PSLV upper stage.The PS4 engine manufactured in the conventional machining and welding route has been in use for the fourth stage of PSLV which has a thrust of 7.33 kN in