Andrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others.
A PS4 engine, used in the upper stage of India's PSLV rocket, undergoes hot-fire testing on May 9, 2024. The engine was built using additive manufacturing, in a potential breakthrough for Indian rocket technology.India has announced a breakthrough that could boost its efforts to grow as a space-faring nation.The engine, which burns a hypergolic mix of nitrogen tetroxide and monomethyl hydrazine, fired for a duration of 665 seconds, marking a major milestone.
Design & Manufacturing Breakthrough:ISRO successfully conducts a long-duration test of the PS4 engine, re-designed for production using cutting-edge additive manufacturing techniques and crafted in the Indian industry.The new engine, now a single piece, saves 97% of raw… pic.twitter.com/YdDsDm3YGFThe 145-foot-tall PSLV is one of India's workhorse launchers, along with the LVM-3. The rocket can deliver up to 3,860 pounds of payload to sun-synchronous polar orbits 370 miles high.
Andrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others. Andrew first caught the space bug when, as a youngster, he saw Voyager images of other worlds in our solar system for the first time. Away from space, Andrew enjoys trail running in the forests of Finland.
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