ISRO’s semi-cryogenic engine test reached 88% of its designed thrust on Wednesday, June 24, 2026, marking a major step toward upgrading India’s LVM3 rocket. The Indian Space Research Organisation tested the Power Head Test Article, or PHTA, at its propulsion facility in Mahendragiri, Tamil Nadu. The PHTA includes most major engine systems but excludes the thrust chamber, allowing engineers to evaluate fuel delivery, ignition and pressure performance before testing the complete e
ISRO’s semi-cryogenic engine test reached 88% of its designed thrust on Wednesday, June 24, 2026, marking a major step toward upgrading India’s LVM3 rocket. The Indian Space Research Organisation tested the Power Head Test Article, or PHTA, at its propulsion facility in Mahendragiri, Tamil Nadu. The PHTA includes most major engine systems but excludes the thrust chamber, allowing engineers to evaluate fuel delivery, ignition and pressure performance before testing the complete e