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Sign in to searchSingle-Piece 3D-Printed Rocket Engine: Agnikul’s ‘Agnite’
Agnikul Cosmos, an Indian space start-up, has achieved a major milestone by successfully testing ‘Agnite’, described as the world’s largest single-piece 3D-printed rocket engine. The development is significant because rocket engines are traditionally complex systems made of multiple parts, joints, and welds, which increase production time, cost, and possible points of failure. By printing the engine as a single unit, Agnikul has reduced structural complexity and improved reliability.
The engine is made from Inconel, a high-temperature resistant alloy, and can reportedly be produced in about seven days, whereas conventional engines often take months. It is a semi-cryogenic engine using liquid oxygen (LOX) and kerosene/ATF as propellants. A notable feature is its use of electric motor-driven pumps, which reduces mechanical complexity and improves control. This engine is intended for the lower stage of the Agnibaan rocket, a customizable launch vehicle designed to place 30–300 kg payloads into Low Earth Orbit up to about 700 km.
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Agnikul's Agnite: world's largest single-piece 3D-printed rocket engine using semi-cryogenic propulsion for India's private space sector growth and strategic autonomy.
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