Propulsion15 September 2023
Flight Test: Boron Hydride-Enhanced Propellant System
↦ Newsroom Ground testing of boron hydride-enhanced propulsion system completed successfully. Test stand performance validated. All systems performed nominally. Specific impulse achieved 255 seconds, representing 67% improvement over baseline IWFNA system.
Ground testing of the boron hydride-enhanced propulsion system was successfully conducted. The test stand performance validated the system design. All systems performed nominally. This was an exciting test. The boron hydride-enhanced fuel was being tested for the first time in a full-scale ground test, and the goal was to see if the laboratory results would translate to test stand performance. The test stand was equipped with a larger thruster designed for the boron hydride fuel. The thruster was designed for a burn time of about 20 seconds. The test sequence proceeded smoothly. At ignition, the thruster fired and ignited. The thrust was strong and consistent. The test stand recorded steady, stable performance throughout the burn. The test was smooth and stable. There were no vibrations or instabilities. The thrust profile remained consistent throughout the test. Post-test inspection of the thruster showed no signs of damage or degradation. The combustion chamber was clean, and the nozzle was in good condition. The boron oxide particles in the exhaust did not cause any damage. The test data was excellent. Thrust, pressure, temperature, and combustion characteristics were recorded throughout the test. The data shows that the thruster performed exactly as predicted. Specific impulse was 255 seconds, which is outstanding. This represents a 67% improvement compared to the baseline IWFNA system. This ground test validates the boron hydride approach. Boron hydride additives successfully demonstrated significant performance improvement of the propulsion system. The system is safe, reliable, and effective. Additional ground tests were planned to further validate the system and explore different boron hydride concentrations and formulations. Thruster size and test stand configurations would be varied for future tests. This represents a major achievement. The performance envelope of the propulsion system was pushed to new levels. The development program continues with strong technical progress.