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Two stages. Multiple test campaigns. Major milestones across Long Beach and Stennis Space Center ๐Ÿ“ Long Beach, CA โœ”๏ธ Stage 1 qualification testing officially began, with initial proof test cases successfully completed ๐Ÿ“ NASA Stennis, MS โœ”๏ธ Stage 2 arrived safely ahead of its upcoming hot fire campaign โœ”๏ธ...

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Relativity Space

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21,799 views โ€ข 26 days ago โ€ขvia X (Twitter)

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From engine qualification to advancing stand readiness, teams are preparing for a busy season of Terran R testing. ๐Ÿ“NASA Stennis, MS โœ”๏ธ Aeon V second stage engine qualification campaign completed โœ”๏ธ Aeon R first stage engine acceptance testing continues โœ”๏ธ Initial startup of the environmental control system completed โœ”๏ธ LOX flush performed on the A2 top deck โœ”๏ธ Over 11,000 welds completed on A2
1:26

From engine qualification to advancing stand readiness, teams are preparing for a busy season of Terran R testing. ๐Ÿ“NASA Stennis, MS โœ”๏ธ Aeon V second stage engine qualification campaign completed โœ”๏ธ Aeon R first stage engine acceptance testing continues โœ”๏ธ Initial startup of the environmental control system completed โœ”๏ธ LOX flush performed on the A2 top deck โœ”๏ธ Over 11,000 welds completed on A2

Relativity Space

16,186 views โ€ข 2 months ago

Test campaigns and infrastructure are scaling alongside hardware production. ๐Ÿ“ Stennis Space Center โœ”๏ธ Aeon V second stage engine testing, including a 526.5-second endurance demonstration โœ”๏ธ Aeon R first stage engine acceptance testing continues โœ”๏ธ Hangar roof structure completed with sheeting installation underway โœ”๏ธ Live ring lift installation complete โœ”๏ธ Fluid lines being machined and routed โœ”๏ธ Flume work progressing with new service platforms delivered
0:47

Test campaigns and infrastructure are scaling alongside hardware production. ๐Ÿ“ Stennis Space Center โœ”๏ธ Aeon V second stage engine testing, including a 526.5-second endurance demonstration โœ”๏ธ Aeon R first stage engine acceptance testing continues โœ”๏ธ Hangar roof structure completed with sheeting installation underway โœ”๏ธ Live ring lift installation complete โœ”๏ธ Fluid lines being machined and routed โœ”๏ธ Flume work progressing with new service platforms delivered

Relativity Space

17,353 views โ€ข 3 months ago

November was a busy month across Terran R test campaigns. ๐Ÿ›ข๏ธ Second stage tank successfully completed acceptance testing with 30+ load cases, including pressure proofing and flight-load simulations. ๐Ÿ’จ Transonic and supersonic wind tunnel testing wrapped with 100+ runs of the first stage entry configuration. ๐Ÿ”ฅ Aeon V dev engine test campaign completed; Aeon R flight engine acceptance testing progressing at NASA Stennis. ๐ŸŒก๏ธ Hot gas testing executed on the stage press valve to validate performance under extreme thermal transients.
1:02

November was a busy month across Terran R test campaigns. ๐Ÿ›ข๏ธ Second stage tank successfully completed acceptance testing with 30+ load cases, including pressure proofing and flight-load simulations. ๐Ÿ’จ Transonic and supersonic wind tunnel testing wrapped with 100+ runs of the first stage entry configuration. ๐Ÿ”ฅ Aeon V dev engine test campaign completed; Aeon R flight engine acceptance testing progressing at NASA Stennis. ๐ŸŒก๏ธ Hot gas testing executed on the stage press valve to validate performance under extreme thermal transients.

Relativity Space

18,862 views โ€ข 8 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. ๐Ÿ—๏ธ Build: Completed stage 2 integration while advancing thrust structure, interstage, and stage 1 qualification hardware. ๐Ÿ”ฅ Test: Aeon V second stage engine completed its qualification campaign, hitting key service life, duration, and start milestones for flight one. ๐ŸŒดLaunch: Water tower reached its final height at 305 feet; lightning protection system erection continued
4:04

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. ๐Ÿ—๏ธ Build: Completed stage 2 integration while advancing thrust structure, interstage, and stage 1 qualification hardware. ๐Ÿ”ฅ Test: Aeon V second stage engine completed its qualification campaign, hitting key service life, duration, and start milestones for flight one. ๐ŸŒดLaunch: Water tower reached its final height at 305 feet; lightning protection system erection continued

Relativity Space

79,094 views โ€ข 2 months ago

Stage 1: qualified ๐Ÿ’ช The dedicated test article successfully completed structural qualification, undergoing: โœ”๏ธ 420 pressure cycles โœ”๏ธ 62 proof, stability, and ultimate loading cases โœ”๏ธ 4.3 million lbf of axial compression while pressurized This campaign validates that the stage 1 tank is ready to withstand the demanding loads of ground operations, launch, and flight. Onward!
0:44

Stage 1: qualified ๐Ÿ’ช The dedicated test article successfully completed structural qualification, undergoing: โœ”๏ธ 420 pressure cycles โœ”๏ธ 62 proof, stability, and ultimate loading cases โœ”๏ธ 4.3 million lbf of axial compression while pressurized This campaign validates that the stage 1 tank is ready to withstand the demanding loads of ground operations, launch, and flight. Onward!

Relativity Space

163,554 views โ€ข 10 days ago

Terran R integration is accelerating across flight hardware and factory infrastructure. โœ“ Stage two avionics trays, boxes, harnesses, valves, and raceways installed โœ“ Low-voltage checkouts began, integrating avionics hardware with flight software โœ“ All first stage Aeon R flight engines for flight one have been manufactured, assembled, and shipped โœ“ Stage one qualification article welding is complete โœ“ In-house battery production ramping, with units progressing through flight build and acceptance testing
1:16

Terran R integration is accelerating across flight hardware and factory infrastructure. โœ“ Stage two avionics trays, boxes, harnesses, valves, and raceways installed โœ“ Low-voltage checkouts began, integrating avionics hardware with flight software โœ“ All first stage Aeon R flight engines for flight one have been manufactured, assembled, and shipped โœ“ Stage one qualification article welding is complete โœ“ In-house battery production ramping, with units progressing through flight build and acceptance testing

Relativity Space

15,590 views โ€ข 2 months ago

Terran R moved closer to flight readiness in April with key integration, test, and launch infrastructure milestones. ๐Ÿ—๏ธ 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. ๐Ÿ”ฅ 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. ๐ŸŒด 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.
3:19

Terran R moved closer to flight readiness in April with key integration, test, and launch infrastructure milestones. ๐Ÿ—๏ธ 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. ๐Ÿ”ฅ 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. ๐ŸŒด 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 โ€ข 2 months ago

On the test stand Aeon R fires at 100% power for 180 seconds ๐Ÿ”ฅ ๐Ÿ“ Stennis Space Center, R Complex ๐Ÿš€ 180 seconds of hot fire = the max duration for a Terran R first stage flight plus margin. ๐Ÿ” Test, learn, iterate, repeat.
3:09

On the test stand Aeon R fires at 100% power for 180 seconds ๐Ÿ”ฅ ๐Ÿ“ Stennis Space Center, R Complex ๐Ÿš€ 180 seconds of hot fire = the max duration for a Terran R first stage flight plus margin. ๐Ÿ” Test, learn, iterate, repeat.

Relativity Space

152,084 views โ€ข 2 years ago

Terran R build momentum continues, with flight hardware in full swing for first launch and beyond. โœ”๏ธStage 2 tank completed acceptance testing and returned to the factory for integration, NDE, modal testing, and COPV installation โœ”๏ธInterstage forward barrel completed mechanical assembly; aft barrel cleared weld inspection and entered assembly โœ”๏ธStage 1 downcomer inner tube welded to the mainline stack, measuring 57 ft long โœ”๏ธThrust structure avionics tray installation nearing completion; feedlines and manifolds fabricated by the tube shop โœ”๏ธFlight two thrust structure in progress, enabling scalable production beyond first flight
1:33

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

Relativity Space

22,591 views โ€ข 6 months ago

Across the factory, teams advanced major Terran R structures, from stage 2 integration and shipment to propulsion, thrust structure, interstage, and stage 1 qualification hardware. โœ“ Shipped stage 2 from Long Beach to NASA Stennis โœ“ Installed outer engine LOX and fuel feedlines on the thrust structure โœ“ Advancing stage 1 qualification article ahead of test โœ“ Progressed interstage barrels through mechanical assembly and machining
1:16

Across the factory, teams advanced major Terran R structures, from stage 2 integration and shipment to propulsion, thrust structure, interstage, and stage 1 qualification hardware. โœ“ Shipped stage 2 from Long Beach to NASA Stennis โœ“ Installed outer engine LOX and fuel feedlines on the thrust structure โœ“ Advancing stage 1 qualification article ahead of test โœ“ Progressed interstage barrels through mechanical assembly and machining

Relativity Space

13,802 views โ€ข 2 months ago

Terran R hardware is moving from build to integrated test, with stage 1 qualification testing underway and flight hardware continuing to advance. โœ“ Stage 1 integration advanced with stringer and doubler drill operations, stringer joiner installation, and raceway bracket drilling โœ“ Thrust structure fluids builds progressed ahead of avionics testing and leak checks โœ“ All vehicle structures and closeouts completed on the stage 1 qualification article, officially transitioning from manufacturing to factory test.
0:28

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

Relativity Space

16,448 views โ€ข 27 days ago

Fired up our first Aeon R engine hot fires this week. Sound on. ๐ŸŽฏ 10 seconds of fire. โœ”๏ธ Validated component harmony during start up, at target power (70%), and shutdown. ๐Ÿ…๏ธ Strong start to test campaign. Initial hardware inspections look healthy. ๐Ÿ”œ Longer duration. More power. More blue fire. ๐Ÿ“Stennis Space Center R Complex, new dual-bay vertical engine test stand
0:24

Fired up our first Aeon R engine hot fires this week. Sound on. ๐ŸŽฏ 10 seconds of fire. โœ”๏ธ Validated component harmony during start up, at target power (70%), and shutdown. ๐Ÿ…๏ธ Strong start to test campaign. Initial hardware inspections look healthy. ๐Ÿ”œ Longer duration. More power. More blue fire. ๐Ÿ“Stennis Space Center R Complex, new dual-bay vertical engine test stand

Relativity Space

263,782 views โ€ข 2 years ago

Terran R Build Progress โ€“ 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. ๐Ÿš€ 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. ๐Ÿ”ฅ 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! ๐Ÿ—๏ธ At LC-16 in Cape Canaveral, Florida, the first steel columns for Terran Rโ€™s horizontal integration facility were erected. ๐Ÿ‘‰
3:24

Terran R Build Progress โ€“ 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. ๐Ÿš€ 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. ๐Ÿ”ฅ 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! ๐Ÿ—๏ธ At LC-16 in Cape Canaveral, Florida, the first steel columns for Terran Rโ€™s horizontal integration facility were erected. ๐Ÿ‘‰

Relativity Space

60,464 views โ€ข 1 year ago

Terran R build is advancing across the vehicle and scaling for future flights. โœ“ Stage 2 tank mechanical assembly complete with LOX lid, thrust cone, and headband installed โœ“ Stage 2 HITL avionics boxes ready, enabling pre-installation verification and software testing โœ“ Stage 1 downcomer fully welded and began acceptance testing โœ“ Thrust structure internal trays installed; leak check completed on outer ring โœ“ Second CFSW installed and HFSW producing stringer to panel sub-weldments for future flights
1:47

Terran R build is advancing across the vehicle and scaling for future flights. โœ“ Stage 2 tank mechanical assembly complete with LOX lid, thrust cone, and headband installed โœ“ Stage 2 HITL avionics boxes ready, enabling pre-installation verification and software testing โœ“ Stage 1 downcomer fully welded and began acceptance testing โœ“ Thrust structure internal trays installed; leak check completed on outer ring โœ“ Second CFSW installed and HFSW producing stringer to panel sub-weldments for future flights

Relativity Space

13,831 views โ€ข 3 months ago

From Space Beach and the Space Coast, Terran R hardware and infrastructure are coming to life across design, build, test and launch. ๐Ÿญ 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. ๐Ÿ–ฅ๏ธ 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.
3:50

From Space Beach and the Space Coast, Terran R hardware and infrastructure are coming to life across design, build, test and launch. ๐Ÿญ 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. ๐Ÿ–ฅ๏ธ 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 โ€ข 9 months ago

December capped off a year of rapid Terran R progress across design, build, test and launch โ€“ setting the stage for a defining year ahead. ๐Ÿ—๏ธ Build: Hardware advanced across tanks, interstage, thrust structure, and propulsion, with work already underway beyond first flight. ๐Ÿ”ฅTest: Six engines on-site at Stennis Space Center in a single day, as simultaneous acceptance and development test campaigns accelerated. ๐ŸŒดLaunch: At LC-16, construction shifted toward facility outfitting and launch operations planning.
3:23

December capped off a year of rapid Terran R progress across design, build, test and launch โ€“ setting the stage for a defining year ahead. ๐Ÿ—๏ธ Build: Hardware advanced across tanks, interstage, thrust structure, and propulsion, with work already underway beyond first flight. ๐Ÿ”ฅTest: Six engines on-site at Stennis Space Center in a single day, as simultaneous acceptance and development test campaigns accelerated. ๐ŸŒดLaunch: At LC-16, construction shifted toward facility outfitting and launch operations planning.

Relativity Space

30,379 views โ€ข 7 months ago

Terran R testing is in full swing. ๐Ÿ” At Stennis Space Center , our final development engines are running gimbaled hot fires with flight-like IPS. ๐Ÿ” The historic A2 test stand retrofit is underwayโ€”major fluids equipment has arrived on-site. ๐Ÿ” In Long Beach, early load tests are validating structural models, and our latest structural test stand is nearly ready for full-scale ops. ๐Ÿ” Avionics reached orbit with hardware-out-of-the-loop testing with a full-scale vehicle box countโ€”hardware-in-the-loop is next. Catch up on the latest from the Terran R program:
0:55

Terran R testing is in full swing. ๐Ÿ” At Stennis Space Center , our final development engines are running gimbaled hot fires with flight-like IPS. ๐Ÿ” The historic A2 test stand retrofit is underwayโ€”major fluids equipment has arrived on-site. ๐Ÿ” In Long Beach, early load tests are validating structural models, and our latest structural test stand is nearly ready for full-scale ops. ๐Ÿ” Avionics reached orbit with hardware-out-of-the-loop testing with a full-scale vehicle box countโ€”hardware-in-the-loop is next. Catch up on the latest from the Terran R program:

Relativity Space

27,687 views โ€ข 1 year ago

From factory floor to launch site, the Terran R program is gaining serious momentum. Hereโ€™s the latest from May across design, build, test, and launch: ๐Ÿ–Œ๏ธ Design: 17+ component-level Critical Design Reviews completedโ€”rapidly releasing simpler parts like trays and manifolds ahead of structural assembly. โš’๏ธ Build: The LOX dome was successfully loaded onto the CFSW for its second weld, and the stage 2 transfer tube is now being weldedโ€”key steps toward completing the second stage tank. ๐Ÿ”ฅ Test: Aeon R engine qualification officially kicked off Stennis Space Center with 11+ hot fires in the books in May. ๐Ÿš€Launch: Cape Canaveralโ€™s LC-16 saw construction milestonesโ€”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.
2:56

From factory floor to launch site, the Terran R program is gaining serious momentum. Hereโ€™s the latest from May across design, build, test, and launch: ๐Ÿ–Œ๏ธ Design: 17+ component-level Critical Design Reviews completedโ€”rapidly releasing simpler parts like trays and manifolds ahead of structural assembly. โš’๏ธ Build: The LOX dome was successfully loaded onto the CFSW for its second weld, and the stage 2 transfer tube is now being weldedโ€”key steps toward completing the second stage tank. ๐Ÿ”ฅ Test: Aeon R engine qualification officially kicked off Stennis Space Center with 11+ hot fires in the books in May. ๐Ÿš€Launch: Cape Canaveralโ€™s LC-16 saw construction milestonesโ€”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 โ€ข 1 year ago

๐— ๐—œ๐—จ๐—ฅ๐—” ๐Ÿฑโ€™๐˜€ ๐˜€๐—ฒ๐—ฐ๐—ผ๐—ป๐—ฑ ๐˜€๐˜๐—ฎ๐—ด๐—ฒ ๐—ถ๐˜€ ๐—ป๐—ผ๐˜„ ๐—ณ๐˜‚๐—น๐—น๐˜† ๐—ฎ๐˜€๐˜€๐—ฒ๐—บ๐—ฏ๐—น๐—ฒ๐—ฑ ๐—ฎ๐—ป๐—ฑ ๐—ต๐—ฎ๐˜€ ๐—ฏ๐—ฒ๐—ฒ๐—ป ๐˜€๐—ต๐—ถ๐—ฝ๐—ฝ๐—ฒ๐—ฑ ๐—ณ๐—ผ๐—ฟ ๐—ถ๐˜๐˜€ ๐—พ๐˜‚๐—ฎ๐—น๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐˜๐—ฒ๐˜€๐˜ ๐—ฐ๐—ฎ๐—บ๐—ฝ๐—ฎ๐—ถ๐—ด๐—ป. The complete stage brings together avionics, feed system, RCS, and the primary and secondary structures - all developed and manufactured in-house by PLD Space. Next up ๐Ÿ”œ EMC testing abroad. Once completed, the entire second stage will return to our facilities for engine integration, in preparation for a static test at our test facilities in Teruel. This is what true vertical integration and a test-like-you-fly approach look like. One more step closer towards MIURA 5โ€™s first test flight in 2026 ๐Ÿš€
1:13

๐— ๐—œ๐—จ๐—ฅ๐—” ๐Ÿฑโ€™๐˜€ ๐˜€๐—ฒ๐—ฐ๐—ผ๐—ป๐—ฑ ๐˜€๐˜๐—ฎ๐—ด๐—ฒ ๐—ถ๐˜€ ๐—ป๐—ผ๐˜„ ๐—ณ๐˜‚๐—น๐—น๐˜† ๐—ฎ๐˜€๐˜€๐—ฒ๐—บ๐—ฏ๐—น๐—ฒ๐—ฑ ๐—ฎ๐—ป๐—ฑ ๐—ต๐—ฎ๐˜€ ๐—ฏ๐—ฒ๐—ฒ๐—ป ๐˜€๐—ต๐—ถ๐—ฝ๐—ฝ๐—ฒ๐—ฑ ๐—ณ๐—ผ๐—ฟ ๐—ถ๐˜๐˜€ ๐—พ๐˜‚๐—ฎ๐—น๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐˜๐—ฒ๐˜€๐˜ ๐—ฐ๐—ฎ๐—บ๐—ฝ๐—ฎ๐—ถ๐—ด๐—ป. The complete stage brings together avionics, feed system, RCS, and the primary and secondary structures - all developed and manufactured in-house by PLD Space. Next up ๐Ÿ”œ EMC testing abroad. Once completed, the entire second stage will return to our facilities for engine integration, in preparation for a static test at our test facilities in Teruel. This is what true vertical integration and a test-like-you-fly approach look like. One more step closer towards MIURA 5โ€™s first test flight in 2026 ๐Ÿš€

PLD Space

61,799 views โ€ข 1 month ago