SOURCE: AFI

In a groundbreaking leap for India’s space ambitions, Bengaluru-based Ethereal Exploration Guild Private Limited has unveiled the country’s most advanced semi-cryogenic RP-1 test setup, designed for its ambitious Pegasus engine development program. Rated to withstand pressures up to 200 bar, this state-of-the-art facility marks a significant milestone in indigenous propulsion technology, positioning India as a serious contender in the global space race.
The RP-1 test skid, a critical component for validating semi-cryogenic rocket engines, is engineered to handle high flow rates with unparalleled precision. With real-time responsiveness and a closed-loop response time of just 360 milliseconds, the setup allows Ethereal’s engineers to exert deep control over tank pressure, line pressure, and flow rates. This level of fidelity is essential for tuning and validating the complex propulsion systems that will power the Pegasus engine, a cornerstone of the company’s vision for affordable and reliable space access.
What sets this facility apart is its ability to replicate a wide range of mission requirements, enabling rigorous qualification of engines to meet global standards. The setup’s versatility ensures that Ethereal can simulate extreme operational conditions, pushing the Pegasus engine to its limits while maintaining safety and accuracy. For the team of brilliant engineers at Ethereal, this translates into a platform that not only tests performance but redefines how propulsion systems are engineered, validated, and proven.
Ethereal’s achievement is a testament to India’s growing prowess in aerospace innovation. Unlike traditional test setups, this RP-1 skid integrates cutting-edge automation and responsiveness, offering a level of control that rivals facilities at leading global space companies. The company’s bold claim—“Next time you see test hardware that doesn’t look like this, ask why”—underscores its confidence in setting a new benchmark for the industry.
This development aligns with India’s broader push to become self-reliant in space technology. By mastering semi-cryogenic propulsion, which combines the efficiency of liquid fuels like RP-1 (a refined kerosene) with the power of liquid oxygen, Ethereal is paving the way for more cost-effective and versatile launch vehicles. The Pegasus engine, once fully developed, could propel satellites, cargo, or even crewed missions into orbit, strengthening India’s position in the competitive global space market.
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