Groundbreaking Aerospike Solid Rocket Engine Successfully Hot-Fired by Bangalore Start-Up SpaceFields

Bangalore-based startup India’s first AeroSpike solid rocket engine was successfully hot-fired by SpaceFields, marking an important milestone. The business used a high-performance HTPB-based composite propellant for the static test, which was conducted at the Indian Institute of Science (IISc) campus in Challakere, Karnataka. The engine produced a total impulse of 54,485.9 Newton-seconds during the test, reaching a maximum thrust of 2000 Newtons and a maximum pressure of 11 bar.

An important advancement over conventional bell-nozzle engines is the AeroSpike engine’s altitude-compensating design, which enables it to operate at peak efficiency under a range of atmospheric pressures. By enabling more effective rocket designs, this skill may be able to lower the number of stages needed to launch payloads into orbit. According to CEO Apurwa Masook, this technology may result in improvements for single-stage to orbit (SSTO) rockets, strengthening India’s standing in the aerospace industry.

The successful test not only demonstrates SpaceFields’ creative methodology but also opens the door for further advancements in Indian rocket propulsion technology.

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