Key Takeaways
- ISRO successfully developed the world’s largest indigenous 10-tonne vertical propellant mixer.
- This achievement enhances self-reliance in space technology as part of India’s ‘Atmanirbhar Bharat’ initiative.
- The mixer improves production rates and safety in the manufacturing of solid rocket motors.
ISRO Develops Historic Propellant Mixer
The Indian Space Research Organisation (ISRO) has achieved a significant milestone with the development of an indigenous 10-tonne vertical propellant mixer, marking a step forward in India’s space technology capabilities. This groundbreaking equipment is essential for processing solid propellants used in rocket motors, underscoring India’s growing strength in this critical sector.
Developed collaboratively at the Satish Dhawan Space Centre (SDSC) SHAR and the Central Manufacturing Technology Institute (CMTI) in Bengaluru, the mixer stands as the largest of its kind globally. It weighs approximately 150 tonnes and measures 5.4 metres in length, 3.3 metres in width, and 8.7 metres in height. Its primary function is to blend solid propellant ingredients with high precision, an operation that requires significant accuracy due to the hazardous nature of the materials involved.
ISRO highlighted that this development signifies a major step toward self-sufficiency in technology, aligned with the government’s ‘Atmanirbhar Bharat’ program aimed at reducing reliance on foreign technology and expertise. The organization is actively pursuing various projects focused on the creation of essential technologies and equipment to bolster domestic capabilities.
The new propellant mixer is expected to substantially enhance the production capacity and quality control of heavy solid rocket motors. It features multiple hydrostatic-driven agitators and incorporates a PLC-based control system integrated with Supervisor Control and Data Acquisition (SCADA) technology. This setup allows for remote operation, ensuring safe, efficient, and precise mixing of highly sensitive materials.
After passing rigorous factory-level acceptance tests, the mixer is set to increase throughput and productivity in the manufacturing of solid motors. The formal transfer of the propellant mixer took place in Bengaluru, signifying a crucial development in India’s aerospace manufacturing landscape and emphasizing ISRO’s commitment to advancing indigenous space technology.
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