Hybrid Rocket Engines (HREs) have the potential of becoming the best of rocket propulsion technologies. It is low-cost to develop, manufacture and operate. It cannot explode and uses harmless propellants with no associated toxicity. Thrust modulation, thrust termination and re-ignition are possible, allowing the landing of HRE powered boosters and multiple orbits upper-stage mission.

Combustion efficiency associated with low solid propellant flow rate in large size HRE have been barriers that prevented this technology to be used on orbital launcher. Hybrid Propulsion for Space is developing a technology to improve combustion efficiency while ensuring a sufficient solid propellant flow rate for powering rockets.

With the robustness of the HRE and its ability for landing and reusability, hybrid propulsion is the next technological leap for providing access to Space to the greater number.


We have tested several prototypes of our innovation on a lab-scale combustion chamber (video: you...
Hybrid Rocket Engines (HREs) have the potential of becoming the best of rocket propulsion technologies. It is low-cost to develop, manufacture and operate. It cannot explode and uses harmless propellants with no associated toxicity. Thrust modulation, thrust termination and re-ignition are possible, allowing the landing of HRE powered boosters and multiple orbits upper-stage mission.

Combustion efficiency associated with low solid propellant flow rate in large size HRE have been barriers that prevented this technology to be used on orbital launcher. Hybrid Propulsion for Space is developing a technology to improve combustion efficiency while ensuring a sufficient solid propellant flow rate for powering rockets.

With the robustness of the HRE and its ability for landing and reusability, hybrid propulsion is the next technological leap for providing access to Space to the greater number.


We have tested several prototypes of our innovation on a lab-scale combustion chamber (video: youtu.be/uuVkThq0mPw). The obtained results were encouraging, so that we filled for patent application.

Our current step is to use a small engine test article to demonstrate the propulsive performance of our innovative propulsion technology. This engine is design to produce up to 150kgf of thrust. Tested on static firings first, it should be able to fly on board of sounding rockets. At the end, this engine could be the first engine we put on the market (niche market of sounding rockets).

The next step is to develop a 3000kgf engine. This class of thrust level is required to build a microlauncher (7 engines for the first stage and 1 engine at the second) with 250kg of payload to address the smallsats launch market (main target). This engine can also be used on board of suborbital rocket with scientific experiments to be conducted in microgravity above 100km of altitude.

For this later step, we are working on a partnership with DGA (part of French Army) to use their missile test facilities. We also seek for industrial partnership to build the rest of the rockets so that we can mainly focus on the propulsion aspect.
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Astropreneurs - Call for STARTUPS Targeted at startups,either entrepreneurs in idea phase or a registered SME