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Terran R build is continuing to ramp up this fall. From avionic builds to expanding of our machine shop capabilities and more. 🔥In prop, teams completed assembly of the second Aeon R engine for first flight and reduced average cycle times across key engine components by 50%. 💻The avionics... show more

Relativity Space

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53,678 views • 11 months ago •via X (Twitter)

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Terran R hardware is advancing across multiple fronts, with integration work progressing on the stage one flight article and momentum building for the next vehicle. Key highlights from July: ✓ Fully released the stage one shipping assembly, comprised of more than 11,000 parts ✓ First wet installs of external stringers completed on the interstage forward barrel ✓ Outer engine feedlines installed, fluids testing underway on the thrust structure ✓ Flight one Aeon R engines prepared for thrust structure installation ✓ First circumferential friction stir welds completed for a flight two tank

Terran R hardware is advancing across multiple fronts, with integration work progressing on the stage one flight article and momentum building for the next vehicle. Key highlights from July: ✓ Fully released the stage one shipping assembly, comprised of more than 11,000 parts ✓ First wet installs of external stringers completed on the interstage forward barrel ✓ Outer engine feedlines installed, fluids testing underway on the thrust structure ✓ Flight one Aeon R engines prepared for thrust structure installation ✓ First circumferential friction stir welds completed for a flight two tank

Relativity Space

16,463 views • 1 month ago

Terran R hardware is advancing across multiple fronts, with integration work progressing on stage one and production scaling for future vehicles. ✓ All 13 flight one Aeon R sea-level engines installed onto the thrust structure ✓ All nominal joiners and external stringers approaching completion on stage one ✓ Both interstage barrels were painted and stacked to form the full structure ✓ All flight two barrels complete, first circumferential friction stir welds executed on the flight two stage one tank ✓ Flight three panel fabrication more than halfway complete

Terran R hardware is advancing across multiple fronts, with integration work progressing on stage one and production scaling for future vehicles. ✓ All 13 flight one Aeon R sea-level engines installed onto the thrust structure ✓ All nominal joiners and external stringers approaching completion on stage one ✓ Both interstage barrels were painted and stacked to form the full structure ✓ All flight two barrels complete, first circumferential friction stir welds executed on the flight two stage one tank ✓ Flight three panel fabrication more than halfway complete

Relativity Space

30,472 views • 11 days ago

Test like you fly. ✅ We’ve completed qualification testing for Aeon R with 60+ hot fires done in the qual campaign validating the engine design that will power Terran R to space. From design and build to test, this program milestone is the culmination of dozens of teams. 🎥 Take the deep dive into the engine qual campaign →

Test like you fly. ✅ We’ve completed qualification testing for Aeon R with 60+ hot fires done in the qual campaign validating the engine design that will power Terran R to space. From design and build to test, this program milestone is the culmination of dozens of teams. 🎥 Take the deep dive into the engine qual campaign →

Relativity Space

20,793 views • 1 year ago

Terran R Build Progress – The past 2 months have been packed with rapid advancements across design, manufacturing, and testing. From welded barrels to hot fires, checkout some of the highlights on the path to first flight. 🚀 In Long Beach: Completed the first circumferential friction stir weld for flight hardware, joining the stage 2 common dome to the stage 2 LOX barrel. 🔥 Over at Stennis Space Center hot fire testing continues with thrust vector control (TVC) motion up to 5.5 degrees, the maximum range of the stand! 🏗️ At LC-16 in Cape Canaveral, Florida, the first steel columns for Terran R’s horizontal integration facility were erected. 👉

Terran R Build Progress – The past 2 months have been packed with rapid advancements across design, manufacturing, and testing. From welded barrels to hot fires, checkout some of the highlights on the path to first flight. 🚀 In Long Beach: Completed the first circumferential friction stir weld for flight hardware, joining the stage 2 common dome to the stage 2 LOX barrel. 🔥 Over at Stennis Space Center hot fire testing continues with thrust vector control (TVC) motion up to 5.5 degrees, the maximum range of the stand! 🏗️ At LC-16 in Cape Canaveral, Florida, the first steel columns for Terran R’s horizontal integration facility were erected. 👉

Relativity Space

61,008 views • 1 year ago

From engine qualification to advancing stand readiness, teams are preparing for a busy season of Terran R testing. 📍NASA Stennis, MS ✔️ Aeon V second stage engine qualification campaign completed ✔️ Aeon R first stage engine acceptance testing continues ✔️ Initial startup of the environmental control system completed ✔️ LOX flush performed on the A2 top deck ✔️ Over 11,000 welds completed on A2

From engine qualification to advancing stand readiness, teams are preparing for a busy season of Terran R testing. 📍NASA Stennis, MS ✔️ Aeon V second stage engine qualification campaign completed ✔️ Aeon R first stage engine acceptance testing continues ✔️ Initial startup of the environmental control system completed ✔️ LOX flush performed on the A2 top deck ✔️ Over 11,000 welds completed on A2

Relativity Space

16,186 views • 3 months ago

November was a busy month across Terran R test campaigns. 🛢️ Second stage tank successfully completed acceptance testing with 30+ load cases, including pressure proofing and flight-load simulations. 💨 Transonic and supersonic wind tunnel testing wrapped with 100+ runs of the first stage entry configuration. 🔥 Aeon V dev engine test campaign completed; Aeon R flight engine acceptance testing progressing at NASA Stennis. 🌡️ Hot gas testing executed on the stage press valve to validate performance under extreme thermal transients.

November was a busy month across Terran R test campaigns. 🛢️ Second stage tank successfully completed acceptance testing with 30+ load cases, including pressure proofing and flight-load simulations. 💨 Transonic and supersonic wind tunnel testing wrapped with 100+ runs of the first stage entry configuration. 🔥 Aeon V dev engine test campaign completed; Aeon R flight engine acceptance testing progressing at NASA Stennis. 🌡️ Hot gas testing executed on the stage press valve to validate performance under extreme thermal transients.

Relativity Space

18,862 views • 9 months ago

Terran R is coming to life: ️✔ Stage 2 tank integration advancing with all cryogenic COPVs installed ✔️ Stage 1 tank moved into an integration lane following circumferential friction stir welding ✔ Thrust structure fire ceiling and avionics tray installation complete; harness routing underway ✔️ Interstage forward barrel completed machining on the vertical turning lathe

Terran R is coming to life: ️✔ Stage 2 tank integration advancing with all cryogenic COPVs installed ✔️ Stage 1 tank moved into an integration lane following circumferential friction stir welding ✔ Thrust structure fire ceiling and avionics tray installation complete; harness routing underway ✔️ Interstage forward barrel completed machining on the vertical turning lathe

Relativity Space

20,364 views • 7 months ago

Terran R moved closer to flight readiness in April with key integration, test, and launch infrastructure milestones. 🏗️ Build: Stage two integration advanced with avionics, harnesses, valves, and raceways installed. All first stage Aeon R engines for flight one have been manufactured, assembled, and shipped. 🔥 Test: Teams began software run-for-record testing on the completed stage two HITL build, while Aeon V reached key service life milestones during full-duration mission duty cycles. 🌴 Launch: At LC-16, the water tower and lightning protection systems rose as launch site activation work continued across the LOX farm, water systems, and more.

Terran R moved closer to flight readiness in April with key integration, test, and launch infrastructure milestones. 🏗️ Build: Stage two integration advanced with avionics, harnesses, valves, and raceways installed. All first stage Aeon R engines for flight one have been manufactured, assembled, and shipped. 🔥 Test: Teams began software run-for-record testing on the completed stage two HITL build, while Aeon V reached key service life milestones during full-duration mission duty cycles. 🌴 Launch: At LC-16, the water tower and lightning protection systems rose as launch site activation work continued across the LOX farm, water systems, and more.

Relativity Space

13,495 views • 4 months 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

With all 13 Aeon R engines installed on the thrust structure and stage two heading towards hot fire, August was a big month for Terran R. 🔩 Build: All 13 Aeon R engines were installed onto the thrust structure. Stage one integration is advancing and both interstage barrels were stacked. Flight two barrels are complete and flight three production has begun. 🧪 Test: Stage two completed cryoproof and COPV proof testing and is now being readied for Aeon V engine installation ahead of hot fire. 🏗️ Launch: Flame diverter installation is underway at the pad, the engineering support building opened, and HIF outfitting continues.

With all 13 Aeon R engines installed on the thrust structure and stage two heading towards hot fire, August was a big month for Terran R. 🔩 Build: All 13 Aeon R engines were installed onto the thrust structure. Stage one integration is advancing and both interstage barrels were stacked. Flight two barrels are complete and flight three production has begun. 🧪 Test: Stage two completed cryoproof and COPV proof testing and is now being readied for Aeon V engine installation ahead of hot fire. 🏗️ Launch: Flame diverter installation is underway at the pad, the engineering support building opened, and HIF outfitting continues.

Relativity Space

83,717 views • 14 days ago

Terran R build momentum continues, with flight hardware in full swing for first launch and beyond. ✔️Stage 2 tank completed acceptance testing and returned to the factory for integration, NDE, modal testing, and COPV installation ✔️Interstage forward barrel completed mechanical assembly; aft barrel cleared weld inspection and entered assembly ✔️Stage 1 downcomer inner tube welded to the mainline stack, measuring 57 ft long ✔️Thrust structure avionics tray installation nearing completion; feedlines and manifolds fabricated by the tube shop ✔️Flight two thrust structure in progress, enabling scalable production beyond first flight

Terran R build momentum continues, with flight hardware in full swing for first launch and beyond. ✔️Stage 2 tank completed acceptance testing and returned to the factory for integration, NDE, modal testing, and COPV installation ✔️Interstage forward barrel completed mechanical assembly; aft barrel cleared weld inspection and entered assembly ✔️Stage 1 downcomer inner tube welded to the mainline stack, measuring 57 ft long ✔️Thrust structure avionics tray installation nearing completion; feedlines and manifolds fabricated by the tube shop ✔️Flight two thrust structure in progress, enabling scalable production beyond first flight

Relativity Space

22,591 views • 8 months ago

The infrastructure required to launch a rocket of Terran R’s class is immense. At LC-16, we’re moving fast. ✓ Horizontal integration facility (HIF) is energized. This building will house Terran R's stages to be mated and prepared for launch ✓ 135 ton assembly room cranes completed their first proof load tests. These cranes will lift the vehicle for mate ✓ Transporter erector (TE) upper strongback was moved into the assembly room. This is part of the system that will transport Terran R to the pad and raise it vertical ✓ Permanent site power was activated with two dedicated 22-kilovolt feeds. This powers launch operations across the site

The infrastructure required to launch a rocket of Terran R’s class is immense. At LC-16, we’re moving fast. ✓ Horizontal integration facility (HIF) is energized. This building will house Terran R's stages to be mated and prepared for launch ✓ 135 ton assembly room cranes completed their first proof load tests. These cranes will lift the vehicle for mate ✓ Transporter erector (TE) upper strongback was moved into the assembly room. This is part of the system that will transport Terran R to the pad and raise it vertical ✓ Permanent site power was activated with two dedicated 22-kilovolt feeds. This powers launch operations across the site

Relativity Space

21,394 views • 1 month ago

Terran R hardware is moving from build to integrated test, with stage 1 qualification testing underway and flight hardware continuing to advance. ✓ Stage 1 integration advanced with stringer and doubler drill operations, stringer joiner installation, and raceway bracket drilling ✓ Thrust structure fluids builds progressed ahead of avionics testing and leak checks ✓ All vehicle structures and closeouts completed on the stage 1 qualification article, officially transitioning from manufacturing to factory test.

Terran R hardware is moving from build to integrated test, with stage 1 qualification testing underway and flight hardware continuing to advance. ✓ Stage 1 integration advanced with stringer and doubler drill operations, stringer joiner installation, and raceway bracket drilling ✓ Thrust structure fluids builds progressed ahead of avionics testing and leak checks ✓ All vehicle structures and closeouts completed on the stage 1 qualification article, officially transitioning from manufacturing to factory test.

Relativity Space

16,662 views • 2 months ago

From Space Beach and the Space Coast, Terran R hardware and infrastructure are coming to life across design, build, test and launch. 🏭 On the factory floor teams installed the second stage downcomer and forward test adapter on the tank in preparation for acceptance testing, with continued progress on first stage fuel tank build. 🖥️ Teams completed thrust structure hardware-in-the-loop hardware integration, creating a testbed for software, avionics, and partner teams to validate designs and automation before use on the vehicle.

From Space Beach and the Space Coast, Terran R hardware and infrastructure are coming to life across design, build, test and launch. 🏭 On the factory floor teams installed the second stage downcomer and forward test adapter on the tank in preparation for acceptance testing, with continued progress on first stage fuel tank build. 🖥️ Teams completed thrust structure hardware-in-the-loop hardware integration, creating a testbed for software, avionics, and partner teams to validate designs and automation before use on the vehicle.

Relativity Space

26,996 views • 10 months ago

Hardware across the vehicle continues to advance through test. 📍 Long Beach, CA The first stage downcomer completed its full acceptance test campaign. This flight-critical component, which routes liquid oxygen from the tank to the engines, is now cleared for integration. 📍 NASA Stennis, MS Stage 2 is back in the hangar after completing cryoproof and COPV proof testing. Post-test inspections are underway ahead of Aeon V installation. A2 is being prepped for hot fire, with LOX farm flushes and heat exchanger activations. On the R stand, acceptance testing of flight 2 Aeon R engines is underway.

Hardware across the vehicle continues to advance through test. 📍 Long Beach, CA The first stage downcomer completed its full acceptance test campaign. This flight-critical component, which routes liquid oxygen from the tank to the engines, is now cleared for integration. 📍 NASA Stennis, MS Stage 2 is back in the hangar after completing cryoproof and COPV proof testing. Post-test inspections are underway ahead of Aeon V installation. A2 is being prepped for hot fire, with LOX farm flushes and heat exchanger activations. On the R stand, acceptance testing of flight 2 Aeon R engines is underway.

Relativity Space

11,737 views • 11 days ago

A ton of historic firsts last week. Our Relativity Space team proved more in this first launch than most companies (and even countries) ever have in their maiden attempt: ✅ first methane fueled rocket in the West to reach space, well over the 100km Karman Line (only other is China) ✅ first nearly entirely 3D printed rocket to fly and prove 3D printing is viable by passing Max-Q, the max stress on the rocket ✅ first methane orbital-class rocket to successfully complete stage 1 flight, main engine cutoff, and second stage separation in the West (only other is China) ✅ first-ever second stage ignition attempt during the vacuum of flight for a methane fueled orbital rocket in the West, collected first-ever flight data ✅ continuing data reviews, and will bring learnings to our future rocket including Terran R ✅ one really ecstatic launch viewing experience - here, as close as one can get to the launch pad. INTENSE 12 of 10, the reaction makes perfect sense when being there, surreal 🤯

A ton of historic firsts last week. Our Relativity Space team proved more in this first launch than most companies (and even countries) ever have in their maiden attempt: ✅ first methane fueled rocket in the West to reach space, well over the 100km Karman Line (only other is China) ✅ first nearly entirely 3D printed rocket to fly and prove 3D printing is viable by passing Max-Q, the max stress on the rocket ✅ first methane orbital-class rocket to successfully complete stage 1 flight, main engine cutoff, and second stage separation in the West (only other is China) ✅ first-ever second stage ignition attempt during the vacuum of flight for a methane fueled orbital rocket in the West, collected first-ever flight data ✅ continuing data reviews, and will bring learnings to our future rocket including Terran R ✅ one really ecstatic launch viewing experience - here, as close as one can get to the launch pad. INTENSE 12 of 10, the reaction makes perfect sense when being there, surreal 🤯

Tim Ellis

459,947 views • 3 years ago

Terran R build is accelerating across the vehicle and in parallel, production capacity continues to expand with the addition of dozens of new powder bed fusion printers and CNC machines. ✅ Stage 2 downcomer and forward test adapter installed ahead of acceptance testing ✅ Stage 1 fuel tank welding complete, with COPVs installed and barrel painting finished

Terran R build is accelerating across the vehicle and in parallel, production capacity continues to expand with the addition of dozens of new powder bed fusion printers and CNC machines. ✅ Stage 2 downcomer and forward test adapter installed ahead of acceptance testing ✅ Stage 1 fuel tank welding complete, with COPVs installed and barrel painting finished

Relativity Space

24,845 views • 10 months ago

The Terran R program entered a new phase in May as stage 2 rolled out of Long Beach and began its journey to NASA Stennis. 🏗️ Build: Completed stage 2 integration while advancing thrust structure, interstage, and stage 1 qualification hardware. 🔥 Test: Aeon V second stage engine completed its qualification campaign, hitting key service life, duration, and start milestones for flight one. 🌴Launch: Water tower reached its final height at 305 feet; lightning protection system erection continued

The Terran R program entered a new phase in May as stage 2 rolled out of Long Beach and began its journey to NASA Stennis. 🏗️ Build: Completed stage 2 integration while advancing thrust structure, interstage, and stage 1 qualification hardware. 🔥 Test: Aeon V second stage engine completed its qualification campaign, hitting key service life, duration, and start milestones for flight one. 🌴Launch: Water tower reached its final height at 305 feet; lightning protection system erection continued

Relativity Space

80,929 views • 3 months ago