HyImpulse Technologies is a German aerospace company and a private launch provider specializing in suborbital and orbital launch services using hybrid propulsion systems. As a spin-off from the German Aerospace Center (DLR), they are developing the SR75 sounding rocket and the SL1 small satellite launch vehicle, using paraffin-based fuel and liquid oxygen. HyImpulse aims to offer affordable and frequent access to space for small satellites, and has partnered with companies like Spacemanic for launch contracts.
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HyImpulse plans to conduct the second flight of its suborbital SR75 rocket from SaxaVord Spaceport in 2024.
HyImpulse signed a letter of intent in early June 2026 to launch its suborbital SR75 and orbital SL1 rockets from Etlaq.
CNES shortlisted HyImpulse, Isar Aerospace, PLD Space, Rocket Factory Augsburg, Latitude, MaiaSpace, and Avio for the new commercial launch facility on 25 July 2025.
CNES removed Avio and HyImpulse from the shortlist for the new commercial launch facility.
CNES shortlisted HyImpulse, Isar Aerospace, PLD Space, Rocket Factory Augsburg, Latitude, MaiaSpace, and Avio on 25 July 2025 for the new commercial launch facility.
HyImpulse’s Christian Schmierer said military space procurement requirements for secrecy are secret.
HyImpulse Technologies' SR75 vehicle can carry up to 250 kg to an altitude of 200 km.
HyImpulse Technologies' SR75 launch this year follows the company's 2024 suborbital launch from Australia's Koonibba Test Range.
HyImpulse Technologies' 2024 launch from Koonibba Test Range validated its single-stage, 75 kN engine for the first time.
HyImpulse Technologies' SR75 vehicle uses a mix of paraffin-based solid fuel and liquid oxygen.
HyImpulse Technologies has a launch service agreement to begin flying from SaxaVord Spaceport in the Shetland Islands.
HyImpulse Technologies' first suborbital flight from SaxaVord Spaceport is expected to lift off in Q3.
HyImpulse Technologies has 90 employees across three sites in Germany and Scotland.
HyImpulse Technologies says SR75 is 40% cheaper than traditional propulsion systems.
CNES preselected Avio, HyImpulse, Isar Aerospace, MaiaSpace, PLD Space, Rocket Factory Augsburg, and Latitude in July 2022 for allocation at the ELM facility.
HyImpulse secured €45 million in funding in 2025, raising its total capital to approximately €74 million.
HyImpulse plans to launch its three-stage SL1 rocket in 2027, capable of carrying up to 600 kilograms to low Earth orbit.
HyImpulse has a backlog of launch contracts in the triple-digit million range and plans launch sites on several continents.
Since its establishment in 2018, HyImpulse has raised approximately 74 million euros in total.
HyImpulse is working on the three-stage SL1 orbital rocket, expected to transport as much as 600 kilograms of payload into low Earth orbit starting in 2027.