HyImpulse sounding rocket SR75 full wet-dress rehearsal

HyImpulse's first product and technology demonstrator, the suborbital sounding rocket SR75 is getting ready for space! See our newest video of the fully assembled rocket doing it's first cold flow test. The test is conducted to verify the integrity of the full rocket, the components of the propulsion system, provide the conditioning and flow of propellants, replicate the operational conditions and procedures prior to a launch.
SR75 is a single stage vehicle powered by a 75kN hybrid rocket motor, that is based on our unique, low-cost and safe hybrid propulsion technology. It uses our "space-grade candle wax" and Liquid Oxygen as propellants.
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