Launcher

Who has ever seen a LOX/Kerosene liquid 🚀 engine with a blue plume 💎💎💎💎? Not only does it look spectacular, but it also serves as undeniable proof of the 99%+ combustion efficiency achieved in this test. Enjoy this 3-minute, 20-second test of E-2, a mostly 3D-printed 22k lbf (10 tf) ORSC LOX/Kerosene liquid rocket engine. Nominal pressure: 100 bar; mixture ratio: 2.7. Recorded yesterday at NASA Stennis, this test also secured the duration record for the test stand. E-2 is now available for sale to launch companies.

E-2 hit some major milestones this year — January — August: The preburner test campaign included 36 pre burner tests totaling 320 seconds. March — September: The thrust chamber assembly test campaign included 36 TCA tests totaling 281 seconds. November: The full engine assembly test campaign including five tests totaling 125 seconds, and a successful 90-second test fire which achieved one of our United States Space Force TACFI contract milestones. Stay tuned for what’s to come for the E-2 engine in 2024.

E-2’s first 90-second test fire was a success! It performed at 55% power with a low conservative 1.6 mixture ratio as planned. The hardware appears in perfect condition ready for more tests. This is an exceptional result for a first test article (E-2 SN1). The test was also a key milestone for our US Space Force TACFI contract. We’ve wrapped up this test campaign and will be back in January with an updated injector featuring lower LOX passage pressure drop to allow us to increase the LOX mass flow and in turn reach full thrust and high performance O/F mixture ratio of 2.62. We thank our team and partners for making this possible - especially NASA Stennis and their team. We would also like to thank the United States Space Force for their TACFI contract support.

The first fully integrated E-2 engine roars to life for the first time at the historic NASA Stennis on November 16, 2023. This test proved out the engine bootstrap startup transient. The team will continue to work towards long duration testing at nominal parameters in the upcoming weeks.

Check out the first fully integrated E-2 engine being installed at NASA Stennis in preparation for our upcoming full engine test campaign later this year. Who's just as excited as we are? ✋

The first fully integrated E-2 engine is ready for shipping to NASA Stennis for our upcoming full engine test campaign later this year. E-2 is a 22,000 lbf (10 tf) thrust LOX/Kerosene oxidizer-rich, staged combustion engine. Stay tuned for updates.

An E-2 Thrust Chamber Assembly 10 second test in 4x slow motion from September 12, 2023 at NASA Stennis. TCA testing continues as we prepare for a fully integrated engine test.

The E-2 team continues Thrust Chamber Assembly testing at the E Complex at NASA Stennis Space Center. Fully integrated engine test soon. 🔜🚀

The E-2 Thrust Chamber Assembly test firing earlier this month at NASA Stennis Space Center as we build up towards our fully integrated engine test campaign.