ISRO DEVELOPS WORLD’S LARGEST VERTICAL PROPELLANT MIXER

GS3 SCIENCE & TECH: 

On February 13, 2025, the Indian Space Research Organization (ISRO) announced the successful development of the world’s largest 10-tonne Vertical Planetary Mixer for solid propellants. This breakthrough, achieved in collaboration with the Central Manufacturing Technology Institute (CMTI), Bengaluru, is a significant step toward self-reliance in space technology.

Importance of Solid Propulsion

• Solid rocket motors are crucial for India’s space transportation systems.
• Mixing sensitive and hazardous ingredients requires precision and safety.
• The new vertical mixer will enhance efficiency and improve propellant quality, ensuring successful space missions.

Technical Specifications

• Weight: 150 tonnes
• Dimensions: 5.4m (length), 3.3m (breadth), 8.7m (height)
• Features:
  • Hydrostatically driven agitators for improved mixing
  • PLC-based control system with SCADA integration for remote operation
  • High precision mixing, essential for solid propellant production

Collaboration and Development

• Developed by Satish Dhawan Space Centre (SDSC) and CMTI.
• Involved academia and industry experts to enhance innovation.
• Successfully completed factory-level acceptance tests, confirming its efficiency.

Impact on Indian Space Missions

• Boosts productivity and throughput in solid rocket motor production.
• Strengthens India’s self-reliance in critical space technologies.
• Reinforces ISRO’s commitment to innovation and technological leadership in the global space industry.