[Notice] UnaStellar Resumes Hot-fire Test; Regenerative Cooling Applied for the First Time

🔥 UnaStellar has reignited the fire.

Following the expansion of facilities and the completion of necessary permitting at our Yeoju engine test site (FIRESTAR 2.0), UnaStellar has resumed combustion testing.

This test marked the first application of regenerative cooling technology to a UnaStellar engine, successfully sustaining combustion for 20 seconds.

All key performance indicators—including overall efficiency—remained within nominal ranges. The engine itself emerged from the 20-second burn completely intact and undamaged.

This test has solidified the technical foundation upon which we can take our next major step forward. We will continue to test rigorously and accelerate our development.

Learning by Burning.