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Crewed Boeing Starliner - 2 Hours

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rockytopva

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essentialsaltes

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BOEING STARLINER STUCK ON SPACE STATION AS MORE LEAKS DISCOVERED​

Teams have discovered an astonishing five different helium leaks so far, each representing yet another thorn in the spacecraft's already cursed development. The gas is "used in spacecraft thruster systems to allow the thrusters to fire" while navigating through space, according to Boeing.

Last month, officials discovered the first helium leak, which was later underplayed by officials and determined not to be severe enough to delay its journey to the ISS.

On its way up, the capsule sprang even more helium leaks. Even docking procedures didn't initially go as planned, with Boeing calling off its first attempt due to reaction-control thrusters malfunctioning.

--

I mean, it's hard to miss the earth on the way back, but having thrusters will (I assume) be critical for getting the angle of attack right when reentering the atmosphere.
 
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Ophiolite

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essentialsaltes said:

BOEING STARLINER STUCK ON SPACE STATION AS MORE LEAKS DISCOVERED​

Teams have discovered an astonishing five different helium leaks so far, each representing yet another thorn in the spacecraft's already cursed development. The gas is "used in spacecraft thruster systems to allow the thrusters to fire" while navigating through space, according to Boeing.

Last month, officials discovered the first helium leak, which was later underplayed by officials and determined not to be severe enough to delay its journey to the ISS.

On its way up, the capsule sprang even more helium leaks. Even docking procedures didn't initially go as planned, with Boeing calling off its first attempt due to reaction-control thrusters malfunctioning.

--

I mean, it's hard to miss the earth on the way back, but having thrusters will (I assume) be critical for getting the angle of attack right when reentering the atmosphere.
Click to expand...
It must be kept in mind that space travel is still, after almost three quarters of a century, an experimental process. And Starliner is very much an experimental craft. How many flights did the Concorde (or any commercial aircraft) make before paying passengers were allowed on board? This is only the second of its kind into orbit.

I suspect a strong element of "jump on yet another Boeing failure" motivation, because it sells papers and invites clicks. That said, the Space-X approach of not only expecting failure in tests, but seeking failure in tests, seems to lead to a practical, safe, tool much more rapidly.
 
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essentialsaltes

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essentialsaltes said:

BOEING STARLINER STUCK ON SPACE STATION AS MORE LEAKS DISCOVERED​

Teams have discovered an astonishing five different helium leaks so far, each representing yet another thorn in the spacecraft's already cursed development. The gas is "used in spacecraft thruster systems to allow the thrusters to fire" while navigating through space, according to Boeing.
Click to expand...

NASA, Boeing delay Starliner astronaut landing again, to study helium leaks and thruster issues​

Starliner had been scheduled to come home on June 26, but it will now stay aloft until at least July 2.

NASA plans to conduct another spacewalk on July 2 and also wants that activity to be done before Starliner comes home, agency officials said in Friday's update.

[Despite the confidence they are projecting, that suggests to me that they're connected, and they want to have a look at it from the outside.]
 
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rockytopva

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essentialsaltes said:

NASA, Boeing delay Starliner astronaut landing again, to study helium leaks and thruster issues​

Starliner had been scheduled to come home on June 26, but it will now stay aloft until at least July 2.

NASA plans to conduct another spacewalk on July 2 and also wants that activity to be done before Starliner comes home, agency officials said in Friday's update.

[Despite the confidence they are projecting, that suggests to me that they're connected, and they want to have a look at it from the outside.]
Click to expand...
Boeing's 777x should have already been in production. It's almost as if the company can't do anything right these days. The video starts out. "The Boeing Curse"
 
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essentialsaltes

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Four of the five thrusters are now operating normally, and since the spacecraft is outfitted with 28 such thrusters there is plenty of redundancy, officials have said. The spacecraft can stay docked in space for up to 45 days, giving crew members a little breathing room to continue to troubleshoot the issues.

Boeing has test-fired the thrusters while the spacecraft has been docked to the space station. Boeing and NASA are working with simulators on the ground to test different scenarios to try to get to the root of the problems and ensure the vehicle is safe.
 
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Ophiolite

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There appears, to me, to be a spectrum of possibilities. At one end we have a minor issue with the thruster system that constitutes no significant problem to spacecraft operation and no danger whatsoever to the astronauts. In this scenario the repeated delays in the return to Earth is, exacrly as is claimed, simply taking advantage of the opportunity to thoroughly investigate the problem in the enivorment of micro-gravity and near vacuum that cannot be simulated on Earth. At the other extreme of the spectrum we have decisions being made that are based upon politics, economics, public relations, vested interests, etc. with scant regard for actual data and proper risk assessment. In other words the mindsets that surrounded the Shuttle disasters. I do not know where on this spectrum of possibilities we lie and the current (understandable) fashion of knocking Boeing is just muddying the waters.
 
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essentialsaltes

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My opinion: NASA cannot afford a further accident akin to Challenger and Columbia. Loss of Starliner and its crew would be the end of NASA as we know it, a possibly fatal blow to Boeing as a company, and call into question all US manned space activities, outside of the military. If any doubt as to the reliability of the craft exists then it would be reckless to attempt to return the vehicle with the crew. Only a sociopathic gambler would take the risk.
 
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There's a Problem With Rescuing the Stranded Astronauts: SpaceX and Boeing Spacesuits Aren't Compatible​

NASA has some tough decisions to make.​

NASA allowed its private partners to "design and innovate as long as the companies met NASA's broad requirements and safety standards, as well as reach specific milestones, one of which is a successful crewed test flight," Krishna explained.

(also there's no room, but...)

SpaceX's upcoming Crew-9 mission, which could be launched with just two, not four, crew members to make space for Williams and Wilmore, allowing them to return sometime in February.
 
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essentialsaltes

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essentialsaltes said:
SpaceX's upcoming Crew-9 mission, which could be launched with just two, not four, crew members to make space for Williams and Wilmore, allowing them to return sometime in February.
Click to expand...
that's now the plan

SpaceX Crew Dragon capsule to return Boeing Starliner crew to Earth​

SpaceX is already slated to execute a routine mission to the International Space Station, carrying four astronauts as part of standard crew rotations aboard the orbiting laboratory. But the mission, called Crew-9, will now be reconfigured to carry two astronauts on board instead of four.

That adjustment will leave two empty seats for Williams and Wilmore to occupy on the Crew-9 flight home. The astronauts will also join the Crew-9 team, becoming part of the official ISS expedition.

Starliner, however, will fly home empty. [Even if that's 'successful', I don't know that that should be enough to qualify the craft.]
 
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NASA, Boeing announce Starliner capsule will return to Earth uncrewed next week​

After undocking, Starliner will take about six hours to reach the White Sands Space Harbor landing zone in New Mexico.

The spacecraft is set to touch down at about 12:03 a.m. on Saturday, Sept. 7.

[If things don't go as planned, at least the midnight landing may reduce the chance of pieces of it landing on someone's head.]
 
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