ISRO Unveils World’s Largest Vertical Planetary Mixer for Solid Propellants

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Posted by newadmin on 2025-02-19 09:07:00 |

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The Indian Space Research Organization (ISRO) has achieved a significant milestone in its pursuit of self-reliance within the space sector. On February 13, 2025, ISRO announced the successful development of a 10-tonne Vertical Planetary Mixer, the largest of its kind globally for solid propellants. This advanced equipment was designed and manufactured in collaboration with the Central Manufacturing Technology Institute (CMTI) in Bengaluru, marking a major step toward enhancing the production of solid rocket motors.

Solid propulsion plays a crucial role in India's space transportation systems, as it requires precise mixing of sensitive and hazardous ingredients. The newly developed vertical mixer is expected to significantly improve the efficiency and safety of this process. By ensuring superior mixing capabilities, the equipment will contribute to better-quality propellants, which are essential for the success of space missions.

The vertical mixer weighs 150 tonnes, with dimensions of 5.4 metres in length, 3.3 metres in breadth, and 8.7 metres in height. It features multiple hydrostatically driven agitators and operates remotely through a PLC-based control system integrated with SCADA stations. This advanced technology ensures precision in the mixing process, a critical factor in solid propellant production.

The development of the mixer was a collaborative effort between the Satish Dhawan Space Centre (SDSC) and CMTI, involving contributions from academia and industry experts. Factory-level acceptance tests have been successfully completed, validating its operational efficiency. This collaboration underscores India’s dedication to fostering innovation in space technology.

The introduction of the vertical mixer is expected to revolutionize solid rocket motor production by enhancing productivity and throughput. This advancement aligns with India's broader initiative to achieve self-reliance in critical technologies. ISRO’s commitment to innovation is evident in this project, marking yet another milestone in India's growing space capabilities.

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