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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... show more

LΛUNCHER

23,878 subscribers

301,551 views • 2 years ago •via X (Twitter)

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10 Comments

Space By Storm2 years ago

@NASAStennis Blue flames are the new orange. 😎🚀🔥🔥🔥

Imitation Sagan Meat2 years ago

@NASAStennis You're using a near-stoichiometric propellant ratio?

Space Haxx2 years ago

@NASAStennis > but it also serves as undeniable proof of the 99%+ combustion efficiency achieved in this test. Because there are few to no little-bitty carbon bits left over to glow orange? Is that it?

Daniel Frohlich2 years ago

@NASAStennis Wow, that’s a good lookin’ plume

Lucas Kramer2 years ago

@UCS_Mark @fakecarlsagan @Mayo_Mingzi @launcher @NASAStennis Oxygen rich staged combustion just means that the preburner and turbines are running oxygen rich. The main combustion chambers are always slightly fuel rich, which actually benefits ISP due to lower molecular mass of combustion products vs stoichiometric or ox-rich combustion.

Mack Crawford2 years ago

@NASAStennis The plume is great, but I always like the shots inside the nozzle itself. It looks shiny!

Redstone2 years ago

@NASAStennis What kind of injector is E-2 using?

Noah Psiharis 🇨🇦2 years ago

@JaxLR07 @NASAStennis Woow 😍😍 blue flame for the win.

𝐙𝐨𝐯𝐚𝐜2 years ago

@NASAStennis What was the temperature under the sustained load? Also, were there other interesting results recorded during the test?

dotty2 years ago

@NASAStennis Nice example of stoichiometric combustion , maybe efficient but thrust and ISP depends on the combustion products as well

Related Videos

E-2 in slow motion— E-2 is a 22k lbf (10 tf) ORSC LOX/Kerosene liquid 🚀 engine. Recorded last week at Stennis Space Center. Standby for the release of a nominal full duration test.

E-2 in slow motion— E-2 is a 22k lbf (10 tf) ORSC LOX/Kerosene liquid 🚀 engine. Recorded last week at Stennis Space Center. Standby for the release of a nominal full duration test.

LΛUNCHER

58,811 views • 2 years ago

At our Mojave, CA test site, E-2 ran at boosted thrust for a 1-minute duration, achieving 25,000 lbf thrust and measured 295 seconds Isp. Although E-2 is a kerosene/LOX engine, its plume is blue and transparent, demonstrating its 99%+ combustion efficiency. E-2 is now available for sale.

At our Mojave, CA test site, E-2 ran at boosted thrust for a 1-minute duration, achieving 25,000 lbf thrust and measured 295 seconds Isp. Although E-2 is a kerosene/LOX engine, its plume is blue and transparent, demonstrating its 99%+ combustion efficiency. E-2 is now available for sale.

LΛUNCHER

92,102 views • 1 year ago

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 Stennis Space Center and their team. We would also like to thank the @SpaceForceDoD for their TACFI contract support.

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 Stennis Space Center and their team. We would also like to thank the @SpaceForceDoD for their TACFI contract support.

LΛUNCHER

53,361 views • 2 years ago

E-2 has successfully demonstrated a full mission duty cycle with margin, completing a 201 sec run at our Mojave, CA test site. Multiple 200+ sec test fires have now been completed, proving performance and reliability across engine builds. As the highest performance LOX/kerosene engine in the small launch class, E-2 is designed to maximize your payload capacity and unlock more value from every mission to orbit.

E-2 has successfully demonstrated a full mission duty cycle with margin, completing a 201 sec run at our Mojave, CA test site. Multiple 200+ sec test fires have now been completed, proving performance and reliability across engine builds. As the highest performance LOX/kerosene engine in the small launch class, E-2 is designed to maximize your payload capacity and unlock more value from every mission to orbit.

LΛUNCHER

33,535 views • 11 months ago

Success! 🚀 🇨🇦 At 3:45 PM EDT on Friday May 16th, 2025, we successfully tested both our new orbital Darkhorse engine test cell and our new third generation 3D printed Hadfield liquid rocket engine for the first time, marking a significant step towards Canada’s first commercial space launch. The test ran for 7 seconds at our propulsion test range, a company-owned secure site in Northeastern Ontario, successfully delivering nominal thrust, active cooling, and impulse results. This major test of the Darkhorse test cell and Hadfield Mk III engine lays the groundwork for NordSpace's Tundra orbital rocket, as the test cell is specifically designed to integrate with our turbo pump assembly in the next phase of propulsion development. Long duration tests are scheduled for the coming days, along with refinements to fuel mixture ratios and higher-pressure scenarios to test the limits of Darkhorse and our new engines. Minor upgrades and fixes to address a harmless leak in the cryogenic liquid oxygen line and design changes to our experimental control rods have already been made. Hot on the heels of our successful integrated test of our Taiga sub-orbital launch vehicle back in January, rapid developments and approvals at our spaceport in Newfoundland and Labrador, announcement of the SHARP (Supersonics and Hypersonics Applications Research Program), hosting the inaugural Canadian Space Launch Conference in Ottawa, and more - NordSpace is strengthening its position every day to ensure sovereign space launch is not just possible, but probable for Canada. Our historic first experimental flight is scheduled for 2025 from our spaceport, Spaceport Canada. NordSpace's CEO and founder, Rahul Goel, said “This successful test is not only a testament to NordSpace’s unmatched technical competency, but also to the success of our new project management framework, design philosophy, and engineering mindset used to deliver results for complex projects on time and within budget. Success on the first try with countless potential sources of failure is not common in the development of complex rocket systems, but our team succeeded by prioritizing first principles engineering. This test confirmed that we do have the right stuff, and that we will deliver this incredibly important sovereign launch capability for all Canadians. Like the land, air, and sea, space is no longer some final frontier for Canada. Space is an essential domain we must unlock, and launch a capability we must own. Without it, we are jeopardizing not only our security, sovereignty and economy, but are also relegating Canada to a participatory instead of a leadership role on the world stage. We must not let this happen.”

Success! 🚀 🇨🇦 At 3:45 PM EDT on Friday May 16th, 2025, we successfully tested both our new orbital Darkhorse engine test cell and our new third generation 3D printed Hadfield liquid rocket engine for the first time, marking a significant step towards Canada’s first commercial space launch. The test ran for 7 seconds at our propulsion test range, a company-owned secure site in Northeastern Ontario, successfully delivering nominal thrust, active cooling, and impulse results. This major test of the Darkhorse test cell and Hadfield Mk III engine lays the groundwork for NordSpace's Tundra orbital rocket, as the test cell is specifically designed to integrate with our turbo pump assembly in the next phase of propulsion development. Long duration tests are scheduled for the coming days, along with refinements to fuel mixture ratios and higher-pressure scenarios to test the limits of Darkhorse and our new engines. Minor upgrades and fixes to address a harmless leak in the cryogenic liquid oxygen line and design changes to our experimental control rods have already been made. Hot on the heels of our successful integrated test of our Taiga sub-orbital launch vehicle back in January, rapid developments and approvals at our spaceport in Newfoundland and Labrador, announcement of the SHARP (Supersonics and Hypersonics Applications Research Program), hosting the inaugural Canadian Space Launch Conference in Ottawa, and more - NordSpace is strengthening its position every day to ensure sovereign space launch is not just possible, but probable for Canada. Our historic first experimental flight is scheduled for 2025 from our spaceport, Spaceport Canada. NordSpace's CEO and founder, Rahul Goel, said “This successful test is not only a testament to NordSpace’s unmatched technical competency, but also to the success of our new project management framework, design philosophy, and engineering mindset used to deliver results for complex projects on time and within budget. Success on the first try with countless potential sources of failure is not common in the development of complex rocket systems, but our team succeeded by prioritizing first principles engineering. This test confirmed that we do have the right stuff, and that we will deliver this incredibly important sovereign launch capability for all Canadians. Like the land, air, and sea, space is no longer some final frontier for Canada. Space is an essential domain we must unlock, and launch a capability we must own. Without it, we are jeopardizing not only our security, sovereignty and economy, but are also relegating Canada to a participatory instead of a leadership role on the world stage. We must not let this happen.”

NordSpace 🇨🇦

50,877 views • 1 year ago

I've come to appreciate boring hotfires. Our BE-7 team recently completed a 2,500 second hotfire test at 10klbf on a development engine, setting the record for the longest-duration turbo pump-fed liquid rocket engine hotfire. This built on some of the most rigorous testing in the history of propulsion, with the previous record set by the RS-25 engine that powered the Space Shuttle. They recorded two 2,017 second tests in 1988. It's not lost on us that we're following a path those engineers blazed, and we're grateful for it. Grab the popcorn and enjoy watching 41 minutes of hotfire goodness.

I've come to appreciate boring hotfires. Our BE-7 team recently completed a 2,500 second hotfire test at 10klbf on a development engine, setting the record for the longest-duration turbo pump-fed liquid rocket engine hotfire. This built on some of the most rigorous testing in the history of propulsion, with the previous record set by the RS-25 engine that powered the Space Shuttle. They recorded two 2,017 second tests in 1988. It's not lost on us that we're following a path those engineers blazed, and we're grateful for it. Grab the popcorn and enjoy watching 41 minutes of hotfire goodness.

Dave Limp

476,158 views • 1 month ago

Basic Engine Test with No Afterburner 🔥❌: I revved the engine up to 80% power👀, and I stood partially in the path of the hot exhaust gases, u can see how far the exhaust pressure goes, 100% power was too scary to even think of, imagine I now activate the afterburner 👀🔥, it may blow me to the wall😭😂. This engine is tremendously loud in reality ⚡️ U can also see that the engine is running purely on Liquid kerosene, so no need to carry the big gas cylinder around, how would I even mount it on the test bed😂, and liquid fuels yield more power. We may be doing an powerful afterburner 🔥👀 test this evening or tomorrow morning, I pity my neighbors tho🥲, but they will be fine🙏🏻 #Zedora

Basic Engine Test with No Afterburner 🔥❌: I revved the engine up to 80% power👀, and I stood partially in the path of the hot exhaust gases, u can see how far the exhaust pressure goes, 100% power was too scary to even think of, imagine I now activate the afterburner 👀🔥, it may blow me to the wall😭😂. This engine is tremendously loud in reality ⚡️ U can also see that the engine is running purely on Liquid kerosene, so no need to carry the big gas cylinder around, how would I even mount it on the test bed😂, and liquid fuels yield more power. We may be doing an powerful afterburner 🔥👀 test this evening or tomorrow morning, I pity my neighbors tho🥲, but they will be fine🙏🏻 #Zedora

Ziko Abara

42,013 views • 1 year ago

January’s GS2 performed remarkably during our inaugural New Glenn launch, delivering our payload to orbit with less than 1% deviation from the target. Today, we completed a full duration 15-second hotfire test of the upper stage for our NG-2 mission. This time, we achieved enhanced performance from the BE-3U engine, increasing the maximum thrust from 173,000 lbf to 175,000 lbf per engine, further expanding New Glenn’s capabilities for our customers.

January’s GS2 performed remarkably during our inaugural New Glenn launch, delivering our payload to orbit with less than 1% deviation from the target. Today, we completed a full duration 15-second hotfire test of the upper stage for our NG-2 mission. This time, we achieved enhanced performance from the BE-3U engine, increasing the maximum thrust from 173,000 lbf to 175,000 lbf per engine, further expanding New Glenn’s capabilities for our customers.

Dave Limp

246,460 views • 1 year ago

Good news on the jet engine project ✅: I redesigned the exhaust system again to prioritize cooling, thrust & the afterburner sequence all together, it now works better✅, no red hot situation on the exhaust at all✅ The new design also reduces pressure on the turbine on AB mode✅ This test was done with gas for the main engine running at 50% power, then liquid kerosene for the AB🔥. I wish to change the fuel nozzles on the main burner to a more powerful one next week, then we'll do this test again close to 100% power which will be louder & much more violent ⚡️ After that, we'll go straight to a runway & let this beast run🚀 #Zedora #madeinEbonyi 🇳🇬

Good news on the jet engine project ✅: I redesigned the exhaust system again to prioritize cooling, thrust & the afterburner sequence all together, it now works better✅, no red hot situation on the exhaust at all✅ The new design also reduces pressure on the turbine on AB mode✅ This test was done with gas for the main engine running at 50% power, then liquid kerosene for the AB🔥. I wish to change the fuel nozzles on the main burner to a more powerful one next week, then we'll do this test again close to 100% power which will be louder & much more violent ⚡️ After that, we'll go straight to a runway & let this beast run🚀 #Zedora #madeinEbonyi 🇳🇬

Ziko Abara

22,396 views • 1 year ago

Advancing LOX/LCH4 Dual-Propellant Cooling for HANBIT-Micro INNOSPACE has successfully completed a series of combustion tests for its upgraded 4 kN-class liquid-methane kick-stage combustor for HANBIT-Micro. 🚀 Building on the 237-second long-duration ground test in May 2024, the combustor has been advanced with a Dual-Propellant Regenerative Cooling scheme. 📈 ⚙️ Unlike conventional single-propellant regenerative cooling, this approach utilizes both fuel and oxidizer as coolants, enabling: 🔹 Reduced feed pressure requirements 🔹 Lighter propellant tanks 🔹 Lower overall kick-stage mass 🔥 By preheating and vaporizing both coolants, the system also achieves: 🔹 Improved mixing efficiency 🔹 Shorter ignition delay 🔹 Enhanced combustion stability and efficiency 💡 Overcoming High Technical Barriers Most notably, the recent test validated stable regenerative cooling under low-pressure, subcritical conditions — a technically demanding regime — and mitigated the risks associated with using liquid oxygen (LOX) as a coolant. The application of a gas–gas swirl injector further demonstrated improved mixing performance. With this milestone, INNOSPACE continues to advance methane propulsion technology and enhance the maturity of the HANBIT-Micro kick-stage system. Please stay tuned for the next phase of development. 🙌 #SpaceInnovation #HANBITMicro #KickStage #MethaneEngine #RocketEngineering #SpaceTech

Advancing LOX/LCH4 Dual-Propellant Cooling for HANBIT-Micro INNOSPACE has successfully completed a series of combustion tests for its upgraded 4 kN-class liquid-methane kick-stage combustor for HANBIT-Micro. 🚀 Building on the 237-second long-duration ground test in May 2024, the combustor has been advanced with a Dual-Propellant Regenerative Cooling scheme. 📈 ⚙️ Unlike conventional single-propellant regenerative cooling, this approach utilizes both fuel and oxidizer as coolants, enabling: 🔹 Reduced feed pressure requirements 🔹 Lighter propellant tanks 🔹 Lower overall kick-stage mass 🔥 By preheating and vaporizing both coolants, the system also achieves: 🔹 Improved mixing efficiency 🔹 Shorter ignition delay 🔹 Enhanced combustion stability and efficiency 💡 Overcoming High Technical Barriers Most notably, the recent test validated stable regenerative cooling under low-pressure, subcritical conditions — a technically demanding regime — and mitigated the risks associated with using liquid oxygen (LOX) as a coolant. The application of a gas–gas swirl injector further demonstrated improved mixing performance. With this milestone, INNOSPACE continues to advance methane propulsion technology and enhance the maturity of the HANBIT-Micro kick-stage system. Please stay tuned for the next phase of development. 🙌 #SpaceInnovation #HANBITMicro #KickStage #MethaneEngine #RocketEngineering #SpaceTech

innospacecorp

18,949 views • 5 months ago

STARSHIP V3 SHIP 39: THE REUSE AUDITION BEGINS Everyone watches launches. Engineers watch the tests before them. Ship 39 just rolled from Mega Bay 2 to Massey’s test stand – engine bay empty on purpose. The Test Ladder: * Rollout complete – Ship 39 now sitting at Massey’s dedicated test stand * Cryo proof testing – tanks filled with liquid nitrogen to simulate brutal flight conditions * Pressure cycles – checking domes, tank walls, thrust structure and leaks * Structural stress – proving the ship can survive real propellant loads Pass that test and the real fun starts: * Install 6 Raptor 3 engines * Move to Orbital Launch Pad 2 * Full propellant load – liquid oxygen + methane * Static fires – first single engine, then all six This one is different. Ship 39 is the first flight-ready Block 3 Starship – taller, stronger, and built for reuse. If testing holds, it flies with Booster 19 on Flight 12. Target: March 2026. Source: Grok SpaceX

STARSHIP V3 SHIP 39: THE REUSE AUDITION BEGINS Everyone watches launches. Engineers watch the tests before them. Ship 39 just rolled from Mega Bay 2 to Massey’s test stand – engine bay empty on purpose. The Test Ladder: * Rollout complete – Ship 39 now sitting at Massey’s dedicated test stand * Cryo proof testing – tanks filled with liquid nitrogen to simulate brutal flight conditions * Pressure cycles – checking domes, tank walls, thrust structure and leaks * Structural stress – proving the ship can survive real propellant loads Pass that test and the real fun starts: * Install 6 Raptor 3 engines * Move to Orbital Launch Pad 2 * Full propellant load – liquid oxygen + methane * Static fires – first single engine, then all six This one is different. Ship 39 is the first flight-ready Block 3 Starship – taller, stronger, and built for reuse. If testing holds, it flies with Booster 19 on Flight 12. Target: March 2026. Source: Grok SpaceX

Mario Nawfal

23,929 views • 5 months ago

Canada's first orbital-class rocket engine is now being manufactured! Our patent pending Hadfield-150 engine is the largest and most powerful rocket engine ever built in Canada, and the first known Canadian orbital-class engine to make it to this stage. The Hadfield-150 builds on everything we learned after years of painstakingly designing, manufacturing, and testing the Hadfield-10 series, our first regeneratively cooled and additively manufactured liquid rocket engine. Every engine test, both successful and unsuccessful on our Darkhorse test stand at Area 66, retired risk that's now carried straight into Hadfield-150 and sovereign orbital launch for Canada. A few details about the Hadfield-150 engine series: ✅ Designed to power Tundra and Tundra+, our light and medium-lift launch vehicles, and built to scale to Tempest, our larger reusable medium lift vehicle ✅ Manufactured entirely in-house, from design to print to test, for true sovereign launch capability ✅ Produced at Rocket Factory 1, on our expanding fleet of metal additive manufacturing systems at the AMA Lab, including the largest known metal 3D printer in Canada ✅ Designed for reusability and medium-lift scale from the outset, and built to significantly cut the time, infrastructure, manufacturing and cost iterative engine testing usually requires, with room to scale to even larger engines by leveraging the same design ✅ Capable of engine-out functionality, so losing one on an early flight doesn't have to mean losing the mission ✅ Optimized for Canada's Launch the North initiative, to deliver sovereign operational capability in a time and cost efficient manner Initial testing starts later this year at our new Blackhawk orbital engine test cell at Area 66, our private test range in Ontario. Stacked, integrated vehicle testing comes later at the Atlantic Spaceport Complex, our spaceport in Newfoundland and Labrador. Stay tuned for some exciting and fiery milestones ahead! 🚀🇨🇦 National Defence Defence Research and Development Canada Canadian Space Agency Transport Canada NGen Canada

Canada's first orbital-class rocket engine is now being manufactured! Our patent pending Hadfield-150 engine is the largest and most powerful rocket engine ever built in Canada, and the first known Canadian orbital-class engine to make it to this stage. The Hadfield-150 builds on everything we learned after years of painstakingly designing, manufacturing, and testing the Hadfield-10 series, our first regeneratively cooled and additively manufactured liquid rocket engine. Every engine test, both successful and unsuccessful on our Darkhorse test stand at Area 66, retired risk that's now carried straight into Hadfield-150 and sovereign orbital launch for Canada. A few details about the Hadfield-150 engine series: ✅ Designed to power Tundra and Tundra+, our light and medium-lift launch vehicles, and built to scale to Tempest, our larger reusable medium lift vehicle ✅ Manufactured entirely in-house, from design to print to test, for true sovereign launch capability ✅ Produced at Rocket Factory 1, on our expanding fleet of metal additive manufacturing systems at the AMA Lab, including the largest known metal 3D printer in Canada ✅ Designed for reusability and medium-lift scale from the outset, and built to significantly cut the time, infrastructure, manufacturing and cost iterative engine testing usually requires, with room to scale to even larger engines by leveraging the same design ✅ Capable of engine-out functionality, so losing one on an early flight doesn't have to mean losing the mission ✅ Optimized for Canada's Launch the North initiative, to deliver sovereign operational capability in a time and cost efficient manner Initial testing starts later this year at our new Blackhawk orbital engine test cell at Area 66, our private test range in Ontario. Stacked, integrated vehicle testing comes later at the Atlantic Spaceport Complex, our spaceport in Newfoundland and Labrador. Stay tuned for some exciting and fiery milestones ahead! 🚀🇨🇦 National Defence Defence Research and Development Canada Canadian Space Agency Transport Canada NGen Canada

NordSpace 🇨🇦

27,202 views • 1 month ago

From factory floor to launch site, the Terran R program is gaining serious momentum. Here’s the latest from May across design, build, test, and launch: 🖌️ Design: 17+ component-level Critical Design Reviews completed—rapidly releasing simpler parts like trays and manifolds ahead of structural assembly. ⚒️ Build: The LOX dome was successfully loaded onto the CFSW for its second weld, and the stage 2 transfer tube is now being welded—key steps toward completing the second stage tank. 🔥 Test: Aeon R engine qualification officially kicked off Stennis Space Center with 11+ hot fires in the books in May. 🚀Launch: Cape Canaveral’s LC-16 saw construction milestones—like the completion of the east flume wall in the diverter pit. Plus, we welcomed Robin Petitprez as SVP of Manufacturing & Supply Chain, strengthening our ability to industrialize Terran R at scale.

From factory floor to launch site, the Terran R program is gaining serious momentum. Here’s the latest from May across design, build, test, and launch: 🖌️ Design: 17+ component-level Critical Design Reviews completed—rapidly releasing simpler parts like trays and manifolds ahead of structural assembly. ⚒️ Build: The LOX dome was successfully loaded onto the CFSW for its second weld, and the stage 2 transfer tube is now being welded—key steps toward completing the second stage tank. 🔥 Test: Aeon R engine qualification officially kicked off Stennis Space Center with 11+ hot fires in the books in May. 🚀Launch: Cape Canaveral’s LC-16 saw construction milestones—like the completion of the east flume wall in the diverter pit. Plus, we welcomed Robin Petitprez as SVP of Manufacturing & Supply Chain, strengthening our ability to industrialize Terran R at scale.

Relativity Space

24,928 views • 1 year ago

Anxiety driven short test😂: Apologies for not wearing any safety gear asides the ear Muffs 🙏🏻 Our Afterburner Problem has been solved✅ I can confidently say we can design a powerful jet engine in Nigeria 🇳🇬✊🏻 Engine is running on Liquid kerosene at 80% power I changed the exhaust design to allow for a region of low pressure in between where AB fuel can be vaporized on contact with the subsonic exhaust flow & ignited, the entire explosion now proceeds to a high pressure region where the entire flow becomes supersonic again✅, leading to a massive increase in thrust 🚀. Seems like the engine roar became more violent too, I could feel the ground shaking a bit. Also notice the insane drop in the RED HOT situation on the exhaust liner. We will do 100% power and Afterburner testing tomorrow. The enormous amount of data, knowledge & experience I've gotten from this project✊🏻 #Zedora

Anxiety driven short test😂: Apologies for not wearing any safety gear asides the ear Muffs 🙏🏻 Our Afterburner Problem has been solved✅ I can confidently say we can design a powerful jet engine in Nigeria 🇳🇬✊🏻 Engine is running on Liquid kerosene at 80% power I changed the exhaust design to allow for a region of low pressure in between where AB fuel can be vaporized on contact with the subsonic exhaust flow & ignited, the entire explosion now proceeds to a high pressure region where the entire flow becomes supersonic again✅, leading to a massive increase in thrust 🚀. Seems like the engine roar became more violent too, I could feel the ground shaking a bit. Also notice the insane drop in the RED HOT situation on the exhaust liner. We will do 100% power and Afterburner testing tomorrow. The enormous amount of data, knowledge & experience I've gotten from this project✊🏻 #Zedora

Ziko Abara

99,902 views • 1 year ago

- Stoke Space is perhaps one of the most exciting rocket companies and is one of only a few companies actually building hardware for a fully reusable rocket featuring a super unique aerospike-ish powered actively cooled upper stage, and they’re ALSO building the coveted full flow staged combustion cycle for their main engines on their reusable booster! I caught up with their CEO Andy Lapsa who gave us a rundown on their incredible rocket called NOVA and we saw some new hardware that has the possibility to truly disrupt the rocket launch industry. 00:00 - Intro 00:45 - Hopper 04:50 - 3D Printing 06:20 - Zenith 12:00 - Avionics 16:37 - Heatshield 26:30 - First Mission 30:07 - Pumps 31:05 - Andromeda Manifold / Boltline 36:18 - Injectors / Engine Cell 37:40 - Tanks 46:00 - Zenith Bell 48:44 - Test Site 50:20 - Andromeda Engine 1:04:55 - Zenith 1:19:50 - Zenith Stand 1:21:58 - Andromeda Test 1:25:50 - Outro

- Stoke Space is perhaps one of the most exciting rocket companies and is one of only a few companies actually building hardware for a fully reusable rocket featuring a super unique aerospike-ish powered actively cooled upper stage, and they’re ALSO building the coveted full flow staged combustion cycle for their main engines on their reusable booster! I caught up with their CEO Andy Lapsa who gave us a rundown on their incredible rocket called NOVA and we saw some new hardware that has the possibility to truly disrupt the rocket launch industry. 00:00 - Intro 00:45 - Hopper 04:50 - 3D Printing 06:20 - Zenith 12:00 - Avionics 16:37 - Heatshield 26:30 - First Mission 30:07 - Pumps 31:05 - Andromeda Manifold / Boltline 36:18 - Injectors / Engine Cell 37:40 - Tanks 46:00 - Zenith Bell 48:44 - Test Site 50:20 - Andromeda Engine 1:04:55 - Zenith 1:19:50 - Zenith Stand 1:21:58 - Andromeda Test 1:25:50 - Outro

Everyday Astronaut

105,467 views • 7 months ago

Azhar’s Masterclass! #OnThisDay in 1993, Mohammed Azharuddin smashed 182 v England at Eden Gardens, Kolkata. Azhar’s 182 came off just 197 balls (12x4, 1x6). India won the test by 8 wickets. This was Gooch’s 100th test & Venkataraghavan’s first test as umpire. Azhar was made captain for only first 2 ODIs and 1st test against England in 1993. Azhar not only retained his captaincy but also became the first Indian captain to win all 3 Tests of a series.

Azhar’s Masterclass! #OnThisDay in 1993, Mohammed Azharuddin smashed 182 v England at Eden Gardens, Kolkata. Azhar’s 182 came off just 197 balls (12x4, 1x6). India won the test by 8 wickets. This was Gooch’s 100th test & Venkataraghavan’s first test as umpire. Azhar was made captain for only first 2 ODIs and 1st test against England in 1993. Azhar not only retained his captaincy but also became the first Indian captain to win all 3 Tests of a series.

Cricketopia

47,372 views • 6 months ago

First recorded Starship Gasifier test today at Mcgregor LSCS by NSF - NASASpaceflight.com cameras. They've been testing this system for a while but almost always missed because of how generally quiet they are. This test in particular is 12 minutes in duration For the uninitiated the gasifier they are developing is a small dual pump+burner combo that will be installed within the ship in the near future, intended to extend it's orbital lifespan by allowing it to generate gaseous oxygen and methane from its existing liquid propellant stores primarily to maintain pressure in the tanks for long duration missions, but also to supply hot gas thrusters and perform tank settling, without igniting the Raptors. (The large fire is normal, that's the hot gas exhaust directed pretty much directly opposite the view of the camera)

First recorded Starship Gasifier test today at Mcgregor LSCS by NSF - NASASpaceflight.com cameras. They've been testing this system for a while but almost always missed because of how generally quiet they are. This test in particular is 12 minutes in duration For the uninitiated the gasifier they are developing is a small dual pump+burner combo that will be installed within the ship in the near future, intended to extend it's orbital lifespan by allowing it to generate gaseous oxygen and methane from its existing liquid propellant stores primarily to maintain pressure in the tanks for long duration missions, but also to supply hot gas thrusters and perform tank settling, without igniting the Raptors. (The large fire is normal, that's the hot gas exhaust directed pretty much directly opposite the view of the camera)

TheSpaceEngineer

36,947 views • 24 days ago

Ceramic Coating test 1 result ⚠️: We ran this test at mild 50% power with gas only and no afterburner ❌... At this level, It's not as loud & powerful as kero so I didn't really need the earmuffs 🙏🏻 1. The ceramic Coating failed completely at the elbow joint from the combustion chamber to the turbine section❌ 2. The ceramic coating held up very well on the combustion chamber and turbo housing✅ 3. The ceramic Coating Partially held up on the exhaust liner, forming a hard crusty layer, although this may peel off in Afterburner mode as temperatures rise to over 1000 degrees⚠️ Tomorrow, we will be running the engine at full power with kerosene and afterburner 🔥.. I also noticed that the ignition coil when activated generates electromagnetic pulses that cause glitches in the brainbox 🥲, this will be looked into asap so it doesn't affect communication on a runway. Summary : The ceramic Coating is not really ideal for the exhaust liner, but can work well in regions having temperatures less than 500 degrees Celsius✅, anything above that and it will stark chalking and peeling off❌. We'll explore more materials for coating the exhaust liner after test 2 results⚡️ #Zedora

Ceramic Coating test 1 result ⚠️: We ran this test at mild 50% power with gas only and no afterburner ❌... At this level, It's not as loud & powerful as kero so I didn't really need the earmuffs 🙏🏻 1. The ceramic Coating failed completely at the elbow joint from the combustion chamber to the turbine section❌ 2. The ceramic coating held up very well on the combustion chamber and turbo housing✅ 3. The ceramic Coating Partially held up on the exhaust liner, forming a hard crusty layer, although this may peel off in Afterburner mode as temperatures rise to over 1000 degrees⚠️ Tomorrow, we will be running the engine at full power with kerosene and afterburner 🔥.. I also noticed that the ignition coil when activated generates electromagnetic pulses that cause glitches in the brainbox 🥲, this will be looked into asap so it doesn't affect communication on a runway. Summary : The ceramic Coating is not really ideal for the exhaust liner, but can work well in regions having temperatures less than 500 degrees Celsius✅, anything above that and it will stark chalking and peeling off❌. We'll explore more materials for coating the exhaust liner after test 2 results⚡️ #Zedora

Ziko Abara

30,034 views • 1 year ago