Author Topic: Has SpaceX Made Space Flight Look Easy ?  (Read 19604 times)

Offline AJW

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #20 on: 05/19/2022 01:20 am »
To put looking easy into perspective, yesterday NASA/Michaud finished an aft lox barrel for SLS.   They stopped, took photos of the assembly crew in front of the barrel, and wrote up a press release.   Can you imagine SpaceX stopping production and doing a press release every few days every time three or four SS/SH rings are assembled?
We are all interested in the future, for that is where you and I are going to spend the rest of our lives.

Offline alugobi

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #21 on: 05/19/2022 02:24 am »
Quote
The reason no US competitor is doing this appears to be institutional, not technical.
I think that that's exactly what he's getting at.

Online greybeardengineer

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #22 on: 05/19/2022 02:26 am »
To put looking easy into perspective, yesterday NASA/Michaud finished an aft lox barrel for SLS.   They stopped, took photos of the assembly crew in front of the barrel, and wrote up a press release.   Can you imagine SpaceX stopping production and doing a press release every few days every time three or four SS/SH rings are assembled?

Those who build a vehicle per year have a very different idea of milestones than those who build a vehicle a week. For some it is a momentous achievement, for others it is Tuesday.

Offline tyrred

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #23 on: 05/19/2022 07:24 am »
Spaceflight was not and still not easy. SpaceX is an outlier from the rest of the space industry. Able to get things done quicker, cheaper and more efficiently. As long as Musk is the driving force of the company and not handicapped as a public company. SpaceX also have the advantage of being able to abandon projects even after substantial investment if it doesn't advance the company's unstated goal of a viable Mars colony for Musk to retired to.

Unstated goal of a viable Mars colony... C'mon.

It has been stated over and over.

Musk is never retiring. He will work himself in to the grave.

Offline woods170

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #24 on: 05/19/2022 07:43 am »
Spaceflight was not and still not easy. SpaceX is an outlier from the rest of the space industry. Able to get things done quicker, cheaper and more efficiently. As long as Musk is the driving force of the company and not handicapped as a public company. SpaceX also have the advantage of being able to abandon projects even after substantial investment if it doesn't advance the company's unstated goal of a viable Mars colony for Musk to retired to.
This is bothers me. You appear to be reflecting an attitude in the US space industry that only the SpaceX weirdos can do this because they are the only ones who can break away from the Old Space model that was apparently handed down from Werner Von Braun or something. Sort of "we cannot do that because it is not THE WAY! Only Elon the heretic can do that!"

My problem: what happens when China decides to build a Starship competitor? Starship is basically a big stainless steel tube with rocket engines at one end. Sure, there is a lot of other stuff, but that other stuff is not radically more advanced than the latest Long March systems. The reason no US competitor is doing this appears to be institutional, not technical.

Emphasis mine.

Correct. That is the sole reason why no legacy US competitors are attempting to do the same. You know: Old Space.
More recent competitors, such as RocketLab, are a different kind. Like SpaceX they are not hindered by institutional reasons or "we cannot do it because it is not THE WAY".

Offline kevin-rf

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #25 on: 05/19/2022 02:07 pm »

I would argue argue no legacy competitors have attempted what SpaceX is doing because most companies do not like uncertainty and risk. What SpaceX has done in many ways was a huge gamble, with huge risks, that they managed to get to work. When you have a large company, with a large number of employees, it is very hard to take such a risk that might put them all on the unemployment line. Musk is willing to gamble. Well that's not fair, he's willing to do things without closing the business case. Risk aversion is what kills innovation, and why small startups are nimble and can usually out perform a large entrenched rival. A large number of startups also fail.

That said, I still get a huge pit in my stomach every time a Falcon 9 goes up. Things can still go wrong. Relief occurs when the payload(s) are deployed to the planned orbits.
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Offline JayWee

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #26 on: 05/19/2022 02:31 pm »

I would argue argue no legacy competitors have attempted what SpaceX is doing because most companies do not like uncertainty and risk.
Not trying to defend Old Space too much, but there was a period in the 90ties where people dreamed up megaconstellations (Telesdic) which did not pan out. So they didn't want to try and fail again. It took another 20 years of technology development to get there. SpaceX got very lucky that several completely independent areas (ISS, computers, internet, ... ) lined up perfectly.
« Last Edit: 05/19/2022 02:33 pm by JayWee »

Offline Zed_Noir

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #27 on: 05/19/2022 03:13 pm »
Spaceflight was not and still not easy. SpaceX is an outlier from the rest of the space industry. Able to get things done quicker, cheaper and more efficiently. As long as Musk is the driving force of the company and not handicapped as a public company. SpaceX also have the advantage of being able to abandon projects even after substantial investment if it doesn't advance the company's unstated goal of a viable Mars colony for Musk to retired to.

Unstated goal of a viable Mars colony... C'mon.

It has been stated over and over.

Musk is never retiring. He will work himself in to the grave.
A viable Mars colony have been stated. A Musk Martian retirement home not so much.

There is no reason why Musk couldn't work from Mars before his possibly very brief retirement.

Online Robotbeat

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #28 on: 05/20/2022 12:25 am »

I would argue argue no legacy competitors have attempted what SpaceX is doing because most companies do not like uncertainty and risk.
Not trying to defend Old Space too much, but there was a period in the 90ties where people dreamed up megaconstellations (Telesdic) which did not pan out. So they didn't want to try and fail again. It took another 20 years of technology development to get there. SpaceX got very lucky that several completely independent areas (ISS, computers, internet, ... ) lined up perfectly.
SpaceX made their own luck by choosing to create demand to justify their RLV.
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Offline JAFO

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #29 on: 05/20/2022 12:38 am »
I'm reading a book right now called "A Short History of Seafaring" by Brian Lavery, highly recommend it. At almost 400 pages it's not exactly short, but is very well written. It's been a great reminder of how hard seafaring was, and the cost it took on those early pioneers when many vessels never came back, or one boat from a flotilla and only a handful of starving men.

SpaceX has made spaceflight routine, but insiders know it's is not easy.
« Last Edit: 05/20/2022 05:09 am by JAFO »
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Online Robotbeat

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #30 on: 05/20/2022 02:27 am »
I'm reading a book right now called "A Short History of Seafaring" by Brian Lavery, highly recommend it. At almost 400 pages it's not exactly short, but is very well written. It's been a great reminder of how hard seafaring was, and the cost it took on those early pioneers, when many vessels never came back, or one boat from a flotilla and only a handful of starving men.

SpaceX has made spaceflight routine, but insiders know it's is not easy.
Yeah, super easy to take for granted.
Chris  Whoever loves correction loves knowledge, but he who hates reproof is stupid.

To the maximum extent practicable, the Federal Government shall plan missions to accommodate the space transportation services capabilities of United States commercial providers. US law http://goo.gl/YZYNt0

Offline Danderman

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #31 on: 05/20/2022 01:40 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.

Offline steveleach

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #32 on: 05/20/2022 05:06 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.
Is it looking likely that will happen before SpaceX themselves make Falcon obsolete?

Offline SpeakertoAnimals

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #33 on: 05/20/2022 05:22 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.
Is it looking likely that will happen before SpaceX themselves make Falcon obsolete?
Falcon will be launching Dragon for a while after SS/SH takes over Falcon's other functions.

Online DanClemmensen

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #34 on: 05/20/2022 08:17 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.
Is it looking likely that will happen before SpaceX themselves make Falcon obsolete?
Falcon will be launching Dragon for a while after SS/SH takes over Falcon's other functions.
But those F9 launches are not competing with services from new launchers for almost all payloads, only crewed payloads and CRS payloads. Furthermore, Starship may (I'm guessing) become available for CRS and crewed missions in the same timeframe as other new launchers.

Offline SpeakertoAnimals

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #35 on: 05/20/2022 08:32 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.
Is it looking likely that will happen before SpaceX themselves make Falcon obsolete?
Falcon will be launching Dragon for a while after SS/SH takes over Falcon's other functions.
But those F9 launches are not competing with services from new launchers for almost all payloads, only crewed payloads and CRS payloads. Furthermore, Starship may (I'm guessing) become available for CRS and crewed missions in the same timeframe as other new launchers.
I see I wasn't clear. Starship will take over most Falcon satellite launches first. Its first crewed flights will involve traffic between LEO and the moon. Starship will probably also do some station duty. The last flights Falcon will do will probably be crewed launches and reentry for NASA and for docking to ISS, as NASA will be hesitant to dock something as large as Starship to ISS.
« Last Edit: 05/20/2022 08:33 pm by SpeakertoAnimals »

Offline Surfdaddy

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #36 on: 05/20/2022 08:34 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.

Given the glacial pace of BO and the early stage of other companies like Rocketlab, SpaceX is 10-20 years ahead of its competitors.
« Last Edit: 05/20/2022 08:36 pm by Surfdaddy »

Online DanClemmensen

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #37 on: 05/20/2022 09:06 pm »
Things will get interesting when and if there is a comparable competitor to Falcon.
Is it looking likely that will happen before SpaceX themselves make Falcon obsolete?
Falcon will be launching Dragon for a while after SS/SH takes over Falcon's other functions.
But those F9 launches are not competing with services from new launchers for almost all payloads, only crewed payloads and CRS payloads. Furthermore, Starship may (I'm guessing) become available for CRS and crewed missions in the same timeframe as other new launchers.
I see I wasn't clear. Starship will take over most Falcon satellite launches first. Its first crewed flights will involve traffic between LEO and the moon. Starship will probably also do some station duty. The last flights Falcon will do will probably be crewed launches and reentry for NASA and for docking to ISS, as NASA will be hesitant to dock something as large as Starship to ISS.
SpaceX will want to retire F9 as soon as it is feasible so it can retire the expensive infrastructure. They will also want to provide crew transportation and cargo to LEO stations, eventually including ISS if it is still operating. If those stations are (understandably) unwilling to allow a behemoth to dock with them, then SpaceX will need to provide small taxi craft that stay in orbit near each station to transfer crew and cargo the last kilometer.

Offline docmordrid

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #38 on: 05/20/2022 10:21 pm »
SpaceX will want to retire F9 as soon as it is feasible so it can retire the expensive infrastructure. They will also want to provide crew transportation and cargo to LEO stations, eventually including ISS if it is still operating. If those stations are (understandably) unwilling to allow a behemoth to dock with them, then SpaceX will need to provide small taxi craft that stay in orbit near each station to transfer crew and cargo the last kilometer.

Wouldn't it make more sense to have the shuttle craft permanently docked at the stations, then moving to the Starship as needed? Otherwise, maintaining them in orbit will require constantly monitoring their relationship to each other and extra propellants for station keeping.
« Last Edit: 05/20/2022 10:24 pm by docmordrid »
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Online DanClemmensen

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Re: Has SpaceX Made Space Flight Look Easy ?
« Reply #39 on: 05/20/2022 10:25 pm »
SpaceX will want to retire F9 as soon as it is feasible so it can retire the expensive infrastructure. They will also want to provide crew transportation and cargo to LEO stations, eventually including ISS if it is still operating. If those stations are (understandably) unwilling to allow a behemoth to dock with them, then SpaceX will need to provide small taxi craft that stay in orbit near each station to transfer crew and cargo the last kilometer.

Wouldn't it make more sense to have the shuttle craft permanently docked at the stations, then moving to the Starship as needed? Otherwise, maintaining them in orbit will require much fuel for station keeping and constantly monitoring their relationship to each other.
Certainly. I was sloppy. I meant that the taxi would not be brought up to orbit with each Starship flight, but would instead remain at the station.

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