LΛUNCHER(@launcher):🚨 New record for E-2! 🚨 Last week we conducted an Endurance Demonstration Test Fire, setting a new record for the longest E-2 test to date at 222 seconds. Yesterday we followed it up with another 222-second run, achieving a mixture ratio of 2.75 and a chamber pressure of 101 bar. Thirteen successful engine startups totaling 1128 seconds of cumulative run time have been completed to date on the latest E-2 engine sample. Propellants: LOX/Kerosene Thrust: 22k lbf (10 tf) Isp Sea Level: 290 s Isp Vacuum: 327 s Isp Vac Version: 365 s Cycle: Ox-Rich Staged Combustion

2025.11.21 04:24

🚨 New record for E-2! 🚨 Last week we conducted an Endurance Demonstration Test Fire, setting a new record for the longest E-2 test to date at 222 seconds. Yesterday we followed it up with another 222-second run, achieving a mixture ratio of 2.75 and a chamber pressure of 101 bar. Thirteen successful engine startups totaling 1128 seconds of cumulative run time have been completed to date on the latest E-2 engine sample. Propellants: LOX/Kerosene Thrust: 22k lbf (10 tf) Isp Sea Level: 290 s Isp Vacuum: 327 s Isp Vac Version: 365 s Cycle: Ox-Rich Staged Combustion