SpaceX Falcon 9 Live Landing Attempt
"Alas, poor Ripley! I knew her, Horatio; a fellow of infinite jest, of most excellent fancy; he hath borne me on his back a thousand times; and now, how abhorred in my imagination it is! My gorge rises at it. Here hung those lips that I have kissed I know not how oft. Where be your gibes now? Your gambols? Your songs? Your flashes of merriment, that were wont to set the table on a roar?"
(with apologies to WS)
Last edited by VP959; 3rd Mar 2019 at 15:39. Reason: serious error...
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https://www.space.com/spacex-falcon-...g-success.html
SpaceX Falcon Heavy Sticks Triple Rocket Landing with 1st Commercial Launch
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Whoops....
https://eu.floridatoday.com/story/te...al/3531086002/
Smoke seen for miles as SpaceX Crew Dragon suffers anomaly at Cape Canaveral
A SpaceX Crew Dragon capsule suffered an anomaly during an engine test firing at Cape Canaveral Air Force Station on Saturday afternoon, company and 45th Space Wing officials confirmed. "On April 20, 2019, an anomaly occurred at Cape Canaveral Air Force Station during the Dragon 2 static test fire," Wing Spokesman Jim Williams told FLORIDA TODAY. "The anomaly was contained and there were no injuries."
........Unconfirmed reports indicated the capsule was destroyed.
“Earlier today, SpaceX conducted a series of engine tests on a Crew Dragon test vehicle on our test stand at Landing Zone 1 in Cape Canaveral, Florida," SpaceX said in a statement. "The initial tests completed successfully but the final test resulted in an anomaly on the test stand. Ensuring that our systems meet rigorous safety standards and detecting anomalies like this prior to flight are the main reasons why we test. Our teams are investigating and working closely with our NASA partners," the company said.........
It is unknown which Crew Dragon was involved in the Saturday anomaly, but each spacecraft has Super Draco thrusters designed to be used as a launch abort system. All SpaceX engines require occasional test firings to evaluate readiness and performance. SpaceX's timeline to return crews to the ISS from U.S. soil will now likely be modified as the investigation into the incident continues........
https://www.teslarati.com/spacex-crew-dragon-explosion/
SpaceX’s Crew Dragon suffers catastrophic explosion during static fire test
Six weeks after the spacecraft completed its orbital launch debut, SpaceX’s first flight-proven Crew Dragon capsule suffered a catastrophic explosion seconds before a planned SuperDraco test fire.
In the last nine years, SpaceX has successfully built, tested, launched, and recovered Cargo and Crew Dragons 18 times, including five instances of Cargo Dragon capsule reuse, all with minor or no issues. The April 20th event is the first time in the known history of SpaceX’s orbital spacecraft program that a vehicle – in this case, the first completed and flight-proven Crew Dragon capsule – has suffered a total failure. Regardless of the accident investigation’s ultimate conclusions, the road ahead of Crew Dragon’s first crewed test flight has become far more arduous........
According to information acquired by NASASpaceflight.com, SpaceX was in the middle of a series of static fire tests meant to verify that the flight-proven capsule was in good working order after Crew Dragon’s inaugural mission to orbit. The spacecraft was to be tested near SpaceX’s Cape Canaveral Landing Zone facilities, where the company has a small but dedicated space for Dragon tests. Crew Dragon C201’s testing began earlier on Saturday, successfully firing up its smaller Draco maneuvering thrusters. This transitioned into a planned SuperDraco ignition, what would have been the first such integrated test fire for capsule C201.
SpaceX planned to rapidly reuse Crew Dragon C201 for an upcoming in-flight abort (IFA) test, in which the spacecraft would be required to successfully escape from Falcon 9 at the point of peak aerodynamic stress (Max Q). Based on a leaked video of the failure, one or several faults in Crew Dragon’s design and/or build led to a near-instantaneous explosion that completed destroyed the spacecraft. Sound in the background seems to indicate that the explosion occurred several seconds before the planned SuperDraco ignition, a major concern given their pressure-fed design.......
As pressure-fed rocket engines specifically designed to be the basis of a launch escape system, Crew Dragon and its SuperDraco thrusters are meant to be ready to ignite at a millisecond’s notice once they are armed in a flight-ready configuration. It’s safe to say that ten seconds away from a specifically planned ignition is one of those moments, although there is a limited chance that SpaceX’s static fire procedures intentionally diverge from an abort-triggered ignition. Regardless, the fact that Crew Dragon was destroyed before the ignition of its SuperDracos is not an encouraging sign.
Instead of a problem with its high-performance abort thrusters, it can be tentatively concluded that Crew Dragon’s explosion originated in its fuel tanks or propellant plumbing. Such an immediate and energetic explosion points more towards a total failure of propellant lines or valves (or their avionics), while another – and potentially far more concerning – cause could be one of Crew Dragon’s pressure vessels. In a space as enclosed as a Dragon capsule, the rupture of a pressure vessel could trigger a chain reaction of pressure vessel failures, freeing both oxidizer (NTO) and fuel (MMH). Known as hypergolic propellant, NTO and MMH ignite immediately (and violently so) when mixed.
It’s quite possible that the accident investigation to follow will be SpaceX’s most difficult and trying yet. Regardless of the specific cause, the footage of Crew Dragon C201’s demise does not support any positive conclusions about the fate of astronauts or passengers, had they been aboard during the violent explosion. Seemingly triggered in some way by the very system meant to safely extricate Crew Dragon and its astronauts from a failing Falcon 9 rocket, major work will need to be done to prove to NASA that the spacecraft is safe. Sadly, Boeing’s Starliner spacecraft – funded in parallel with Crew Dragon under NASA’s Commercial Crew Program – suffered a far less severe but no less significant failure during a static fire test of its own abort thrusters. Boeing was forced to remove the impacted hardware from its flight plans to extensively clean, repair, and rework the service module.
NASA is now faced with the fact that both of the spacecraft it supported with CCP have exhibited major failures related to their launch escape systems. Crew Dragon’s catastrophic explosion comes as a particularly extreme surprise given how extensively SpaceX has already tested the SuperDraco engines and plumbing, as well as the successful completion of the spacecraft’s launch debut. In the process of DM-1 launch preparations, Crew Dragon likely spent a minimum of 80 minutes with its SuperDraco thrusters and propellant systems primed and ready to abort at any second, apparently without a single mildly-concerning issue.
https://eu.floridatoday.com/story/te...al/3531086002/
Smoke seen for miles as SpaceX Crew Dragon suffers anomaly at Cape Canaveral
A SpaceX Crew Dragon capsule suffered an anomaly during an engine test firing at Cape Canaveral Air Force Station on Saturday afternoon, company and 45th Space Wing officials confirmed. "On April 20, 2019, an anomaly occurred at Cape Canaveral Air Force Station during the Dragon 2 static test fire," Wing Spokesman Jim Williams told FLORIDA TODAY. "The anomaly was contained and there were no injuries."
........Unconfirmed reports indicated the capsule was destroyed.
“Earlier today, SpaceX conducted a series of engine tests on a Crew Dragon test vehicle on our test stand at Landing Zone 1 in Cape Canaveral, Florida," SpaceX said in a statement. "The initial tests completed successfully but the final test resulted in an anomaly on the test stand. Ensuring that our systems meet rigorous safety standards and detecting anomalies like this prior to flight are the main reasons why we test. Our teams are investigating and working closely with our NASA partners," the company said.........
It is unknown which Crew Dragon was involved in the Saturday anomaly, but each spacecraft has Super Draco thrusters designed to be used as a launch abort system. All SpaceX engines require occasional test firings to evaluate readiness and performance. SpaceX's timeline to return crews to the ISS from U.S. soil will now likely be modified as the investigation into the incident continues........
https://www.teslarati.com/spacex-crew-dragon-explosion/
SpaceX’s Crew Dragon suffers catastrophic explosion during static fire test
Six weeks after the spacecraft completed its orbital launch debut, SpaceX’s first flight-proven Crew Dragon capsule suffered a catastrophic explosion seconds before a planned SuperDraco test fire.
In the last nine years, SpaceX has successfully built, tested, launched, and recovered Cargo and Crew Dragons 18 times, including five instances of Cargo Dragon capsule reuse, all with minor or no issues. The April 20th event is the first time in the known history of SpaceX’s orbital spacecraft program that a vehicle – in this case, the first completed and flight-proven Crew Dragon capsule – has suffered a total failure. Regardless of the accident investigation’s ultimate conclusions, the road ahead of Crew Dragon’s first crewed test flight has become far more arduous........
According to information acquired by NASASpaceflight.com, SpaceX was in the middle of a series of static fire tests meant to verify that the flight-proven capsule was in good working order after Crew Dragon’s inaugural mission to orbit. The spacecraft was to be tested near SpaceX’s Cape Canaveral Landing Zone facilities, where the company has a small but dedicated space for Dragon tests. Crew Dragon C201’s testing began earlier on Saturday, successfully firing up its smaller Draco maneuvering thrusters. This transitioned into a planned SuperDraco ignition, what would have been the first such integrated test fire for capsule C201.
SpaceX planned to rapidly reuse Crew Dragon C201 for an upcoming in-flight abort (IFA) test, in which the spacecraft would be required to successfully escape from Falcon 9 at the point of peak aerodynamic stress (Max Q). Based on a leaked video of the failure, one or several faults in Crew Dragon’s design and/or build led to a near-instantaneous explosion that completed destroyed the spacecraft. Sound in the background seems to indicate that the explosion occurred several seconds before the planned SuperDraco ignition, a major concern given their pressure-fed design.......
As pressure-fed rocket engines specifically designed to be the basis of a launch escape system, Crew Dragon and its SuperDraco thrusters are meant to be ready to ignite at a millisecond’s notice once they are armed in a flight-ready configuration. It’s safe to say that ten seconds away from a specifically planned ignition is one of those moments, although there is a limited chance that SpaceX’s static fire procedures intentionally diverge from an abort-triggered ignition. Regardless, the fact that Crew Dragon was destroyed before the ignition of its SuperDracos is not an encouraging sign.
Instead of a problem with its high-performance abort thrusters, it can be tentatively concluded that Crew Dragon’s explosion originated in its fuel tanks or propellant plumbing. Such an immediate and energetic explosion points more towards a total failure of propellant lines or valves (or their avionics), while another – and potentially far more concerning – cause could be one of Crew Dragon’s pressure vessels. In a space as enclosed as a Dragon capsule, the rupture of a pressure vessel could trigger a chain reaction of pressure vessel failures, freeing both oxidizer (NTO) and fuel (MMH). Known as hypergolic propellant, NTO and MMH ignite immediately (and violently so) when mixed.
It’s quite possible that the accident investigation to follow will be SpaceX’s most difficult and trying yet. Regardless of the specific cause, the footage of Crew Dragon C201’s demise does not support any positive conclusions about the fate of astronauts or passengers, had they been aboard during the violent explosion. Seemingly triggered in some way by the very system meant to safely extricate Crew Dragon and its astronauts from a failing Falcon 9 rocket, major work will need to be done to prove to NASA that the spacecraft is safe. Sadly, Boeing’s Starliner spacecraft – funded in parallel with Crew Dragon under NASA’s Commercial Crew Program – suffered a far less severe but no less significant failure during a static fire test of its own abort thrusters. Boeing was forced to remove the impacted hardware from its flight plans to extensively clean, repair, and rework the service module.
NASA is now faced with the fact that both of the spacecraft it supported with CCP have exhibited major failures related to their launch escape systems. Crew Dragon’s catastrophic explosion comes as a particularly extreme surprise given how extensively SpaceX has already tested the SuperDraco engines and plumbing, as well as the successful completion of the spacecraft’s launch debut. In the process of DM-1 launch preparations, Crew Dragon likely spent a minimum of 80 minutes with its SuperDraco thrusters and propellant systems primed and ready to abort at any second, apparently without a single mildly-concerning issue.
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SpaceX launches supplies to space station after power delays
SpaceX launched a load of supplies to the International Space Station on Saturday following a pair of power delays.
A Falcon rocket raced into the pre-dawn darkness, carrying a Dragon capsule with 5,500 pounds (2,500 kilograms) of goods. This recycled Dragon—which is making its second space trip—is due to arrive at the orbiting lab Monday. The delivery is a few days late because of electrical power shortages that cropped up first at the space station, then at SpaceX's rocket-landing platform in the Atlantic. Both problems were quickly resolved with equipment replacements: a power-switching unit in orbit and a generator at sea.
Minutes after liftoff, SpaceX landed its brand new, first-stage booster on the ocean platform a mere 14 miles (22.53 kilometers) offshore, considerably closer than usual with the sonic booms easily heard at the launch site. The booster should have returned to Cape Canaveral, but SpaceX is still cleaning up from the April 20 accident that destroyed an empty crew Dragon capsule.......
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Successful launch and deployment of first 60 Starlink comsats - and the third successful launch/landing of the same Falcon booster which is lifted for between 50-100 launches......
https://www.space.com/elon-musk-says...oing-well.html
Elon Musk Says It's 'So Far, So Good' for SpaceX's 1st 60 Starlink Satellites
SpaceX's internet-satellite megaconstellation appears to be off to a good start in low-Earth orbit.
The first 60 members of the company's Starlink network launched last night (May 23) atop a Falcon 9 rocket. The satellites deployed smoothly about an hour after liftoff, and they came online shortly thereafter, SpaceX founder and CEO Elon Musk announced via Twitter last night.
Musk gave us another update this afternoon (May 24), tweeting "
" in response to a follower's question about Starlink's status.
"Krypton thrusters operative, satellites initiating orbit raise every 90 mins," he added in another tweet a bit later. (The satellites deployed at an altitude of 273 miles, or 440 kilometers, and are making their own way to their operational altitude of 342 miles, or 550 km).
Related: SpaceX's 1st Starlink Satellite Megaconstellation Launch in Photos!
https://www.space.com/elon-musk-says...oing-well.html
Elon Musk Says It's 'So Far, So Good' for SpaceX's 1st 60 Starlink Satellites
SpaceX's internet-satellite megaconstellation appears to be off to a good start in low-Earth orbit.
The first 60 members of the company's Starlink network launched last night (May 23) atop a Falcon 9 rocket. The satellites deployed smoothly about an hour after liftoff, and they came online shortly thereafter, SpaceX founder and CEO Elon Musk announced via Twitter last night.
Musk gave us another update this afternoon (May 24), tweeting "
"Krypton thrusters operative, satellites initiating orbit raise every 90 mins," he added in another tweet a bit later. (The satellites deployed at an altitude of 273 miles, or 440 kilometers, and are making their own way to their operational altitude of 342 miles, or 550 km).
Related: SpaceX's 1st Starlink Satellite Megaconstellation Launch in Photos!
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Pardon the expletives, but this is f****ing AWESOME. Night launch and recovery. The booster separation and start of burn back is just about 3 mins in and the landing burn at about 7:30 in.
https://www.teslarati.com/spacex-ceo...issed-landing/
SpaceX CEO Elon Musk explains why Falcon Heavy’s center core missed the drone ship
https://www.theregister.co.uk/2019/0..._falcon_heavy/
SpaceX's Falcon Heavy turned night into day this morning as the monster rocket successfully hauled itself from Kennedy Space Center's Launch Complex 39A. The 27 Merlin engines illuminated the night sky in a manner to bring a nostalgic tear to the eye of those that remember the only Saturn V night launch: Apollo 17 in 1972 from the same pad.
With the weather cooperating and after dealing with a ground hydraulic issue which cropped up early in the count, SpaceX went ahead with loading the rocket with liquid oxygen, effectively committing the company to a launch or scrubbing for the day.
Launch occurred at 0630 UTC on 25 June and the side boosters of the heavy lifter were shut down and separated from the centre core approximately 2 minutes 30 seconds later. The boosters, previously used for the last Falcon Heavy launch, headed back to briefly light up Landing Zones 1 and 2 with a synchronised touchdown. The remaining Falcon 9 first stage continued its burn for another minute before it too was shut down and separated from the second stage of the Falcon Heavy.
Unlike the side boosters, the centre core was faced with what the SpaceX PAO breathlessly described as "the most difficult landing we've had to date" with the spent booster coming in fast towards the drone ship Of Course I Still Love You, which was stationed twice as far into the North Atlantic Ocean (from Port Canaveral) than usual. Not that anything involving landing the first stage of an orbital booster on its end atop a platform at sea should ever be described as something so mundane as "usual".
SpaceX has yet to successfully recover a Falcon Heavy centre stage. The maiden launch of the rocket saw the stage undergo a rapid disassembly after its engines failed to reignite to slow the thing down. The second did land, but subsequently toppled over. Third time was, alas, not the charm. While the engines (the centre and two extra) ignited as planned, cameras on the drone ship captured the returning first stage appearing to miss the barge before creating its own night-into-day moment with a spectacular explosion.
Landing excitement aside, the second stage continued firing and the fairing was deployed just after the four minute mark, exposing the ride-share payload. And the fairing? Much whooping could be heard as SpaceX finally managed to catch one half in the net strung atop Ms Tree (pic here), the ship formerly known as Mr Steven. This was the first time the company has accomplished the feat. The other half will be recovered from the water.
The company boasted that this launch included payloads from the largest number of government agencies it had served thus far on a single Falcon with 24 satellites from the likes of the Department of Defense, the US Air Force and NASA to be deployed over more than three hours (and another three restarts of that second stage engine.)
While SpaceX will be chuffed to demonstrate that its Falcon Heavy can be trusted for government payloads, the science carried on the monster rocket is hugely interesting and includes the crowdfunded LightSail 2........
https://www.teslarati.com/spacex-ceo...issed-landing/
SpaceX CEO Elon Musk explains why Falcon Heavy’s center core missed the drone ship
https://www.theregister.co.uk/2019/0..._falcon_heavy/
SpaceX's Falcon Heavy turned night into day this morning as the monster rocket successfully hauled itself from Kennedy Space Center's Launch Complex 39A. The 27 Merlin engines illuminated the night sky in a manner to bring a nostalgic tear to the eye of those that remember the only Saturn V night launch: Apollo 17 in 1972 from the same pad.
With the weather cooperating and after dealing with a ground hydraulic issue which cropped up early in the count, SpaceX went ahead with loading the rocket with liquid oxygen, effectively committing the company to a launch or scrubbing for the day.
Launch occurred at 0630 UTC on 25 June and the side boosters of the heavy lifter were shut down and separated from the centre core approximately 2 minutes 30 seconds later. The boosters, previously used for the last Falcon Heavy launch, headed back to briefly light up Landing Zones 1 and 2 with a synchronised touchdown. The remaining Falcon 9 first stage continued its burn for another minute before it too was shut down and separated from the second stage of the Falcon Heavy.
Unlike the side boosters, the centre core was faced with what the SpaceX PAO breathlessly described as "the most difficult landing we've had to date" with the spent booster coming in fast towards the drone ship Of Course I Still Love You, which was stationed twice as far into the North Atlantic Ocean (from Port Canaveral) than usual. Not that anything involving landing the first stage of an orbital booster on its end atop a platform at sea should ever be described as something so mundane as "usual".
SpaceX has yet to successfully recover a Falcon Heavy centre stage. The maiden launch of the rocket saw the stage undergo a rapid disassembly after its engines failed to reignite to slow the thing down. The second did land, but subsequently toppled over. Third time was, alas, not the charm. While the engines (the centre and two extra) ignited as planned, cameras on the drone ship captured the returning first stage appearing to miss the barge before creating its own night-into-day moment with a spectacular explosion.
Landing excitement aside, the second stage continued firing and the fairing was deployed just after the four minute mark, exposing the ride-share payload. And the fairing? Much whooping could be heard as SpaceX finally managed to catch one half in the net strung atop Ms Tree (pic here), the ship formerly known as Mr Steven. This was the first time the company has accomplished the feat. The other half will be recovered from the water.
The company boasted that this launch included payloads from the largest number of government agencies it had served thus far on a single Falcon with 24 satellites from the likes of the Department of Defense, the US Air Force and NASA to be deployed over more than three hours (and another three restarts of that second stage engine.)
While SpaceX will be chuffed to demonstrate that its Falcon Heavy can be trusted for government payloads, the science carried on the monster rocket is hugely interesting and includes the crowdfunded LightSail 2........
ORAC,
Expletives excused, understood and thoroughly endorsed!
That was imply stunning and awe inspiring, "two 10 storey buildings falling from space..." There is something ethereal about those simultaneous landings, and the commentator/reporter was great, lovely to hear such genuine enthusiasm, appreciation and excitement.
I missed this at the time on TV, thank you SO much for taking the time and trouble to post.
Expletives excused, understood and thoroughly endorsed!
That was imply stunning and awe inspiring, "two 10 storey buildings falling from space..." There is something ethereal about those simultaneous landings, and the commentator/reporter was great, lovely to hear such genuine enthusiasm, appreciation and excitement.
I missed this at the time on TV, thank you SO much for taking the time and trouble to post.
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Thread Starter
Starhopper due for untethered test on Tuesday.
I like the geeky rough rough and ready look. If it works, it works, don’t worry about appearances....
”The prototype initially had a nosecone, but powerful Texas winds blew it off and damaged it. That's why the vehicle looks stubby and unfinished today.“
https://www.businessinsider.com/spacex-starhopper-hop-test-boca-chica-texas-launch-site-2019-6?r=US&IR=T
“Pa, the neighbours are being noisy again!!”
I like the geeky rough rough and ready look. If it works, it works, don’t worry about appearances....
”The prototype initially had a nosecone, but powerful Texas winds blew it off and damaged it. That's why the vehicle looks stubby and unfinished today.“
https://www.businessinsider.com/spacex-starhopper-hop-test-boca-chica-texas-launch-site-2019-6?r=US&IR=T
“Pa, the neighbours are being noisy again!!”
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Thread Starter
Two month turnaround between launches for the Falcon and third reuse of the Dragon capsule.
https://spaceflightnow.com/2019/07/2...space-station/
New docking port, spacesuit and supplies en route to space station
A break in thunderstorms streaming across Central Florida allowed a SpaceX Falcon 9 rocket and Dragon cargo capsule to blast off Thursday from Cape Canaveral in pursuit of the International Space Station with a new docking mechanism, a spacesuit and 40 mice acting as high-flying research specimens.......
Liftoff occurred at 6:01:56 p.m. EDT (2201:56 GMT) Thursday on the the 73rd flight of a Falcon 9 rocket since SpaceX’s workhorse launcher debuted in June 2010......
The first stage braked for landing using the booster’s center engine, then extended four legs before touchdown at SpaceX’s Landing Zone 1, a seaside facility once used as a launch base for Atlas rockets. Sonic booms accompanied the landing around eight-and-a-half minutes after liftoff, marking the 44th successful recovery of a Falcon booster by SpaceX since 2015.
The booster launched and recovered Thursday helped carry SpaceX’s most recent Dragon cargo mission aloft in May. NASA and SpaceX could use the same rocket again for the next Dragon resupply mission, set for launch in December.........
The Dragon capsule launched Thursday is making its third trip to the space station. It’s the first time SpaceX has flown the same Dragon spacecraft three times.......
https://spaceflightnow.com/2019/07/2...space-station/
New docking port, spacesuit and supplies en route to space station
A break in thunderstorms streaming across Central Florida allowed a SpaceX Falcon 9 rocket and Dragon cargo capsule to blast off Thursday from Cape Canaveral in pursuit of the International Space Station with a new docking mechanism, a spacesuit and 40 mice acting as high-flying research specimens.......
Liftoff occurred at 6:01:56 p.m. EDT (2201:56 GMT) Thursday on the the 73rd flight of a Falcon 9 rocket since SpaceX’s workhorse launcher debuted in June 2010......
The first stage braked for landing using the booster’s center engine, then extended four legs before touchdown at SpaceX’s Landing Zone 1, a seaside facility once used as a launch base for Atlas rockets. Sonic booms accompanied the landing around eight-and-a-half minutes after liftoff, marking the 44th successful recovery of a Falcon booster by SpaceX since 2015.
The booster launched and recovered Thursday helped carry SpaceX’s most recent Dragon cargo mission aloft in May. NASA and SpaceX could use the same rocket again for the next Dragon resupply mission, set for launch in December.........
The Dragon capsule launched Thursday is making its third trip to the space station. It’s the first time SpaceX has flown the same Dragon spacecraft three times.......
Ecce Homo! Loquitur...
Thread Starter
Starhopper completed its first 15 second untethered hop. Not much to, just a test of the Raptor engine.
More impressed that they did it just a day after an abort where a leak caused flames to come out of the top!!! One of the advantages of making the test bed out of stainless steel I guess......
More impressed that they did it just a day after an abort where a leak caused flames to come out of the top!!! One of the advantages of making the test bed out of stainless steel I guess......
Last edited by ORAC; 27th Jul 2019 at 09:49.
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That thing looks like the love child of a Dalek and Dusty Bin...
