What Does HF Stand For?

HF stands for Hot Firing

HF, or Hot Firing, refers to a critical testing procedure in rocket engine development where the engine is ignited and operated at full power while attached to a test stand. This process allows engineers to assess the engine's performance, stability, and reliability under actual operating conditions, providing essential data for design validation and ensuring readiness for flight missions. Hot Firing is a pivotal step in the evaluation of propulsion systems and contributes significantly to the overall success of launch vehicle programs.

Other Meanings for HF