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Re: Russia says sanctions puts space station astronauts at r

Unread postby Sixstrings » Tue 29 Apr 2014, 22:09:34

Subjectivist wrote:Both ESA and Japan have the cargo modules and have used them longbefore the "private sector" american companies ever got off the ground. The real concern is nothing to do with cargo, it is all about crew. If we are POing Russia why would they ferry our astronauts to the station for us?


Well, there are Russians on that station too. Would Putin strand Russians in space, too? That would be *beyond* tacky. That's like bad pulp fiction.

We had a viable space shuttle capability to send our own crew members but the remaining shuttles have all been put into museums by the President. It isn't their fault we scrapped our space transport system that w spent hundreds of billions developing and perfecting, that was our decision not theirs.


I criticized this at the time, but actually Obama admin turned out right and it's worked out. SpaceX can do all this cheaper, better, and safer. Dragon capsule is ready except for the required emergency crew escape system. Sooooo, given developments with Russia really Congress needs to throw some big money at Elon Musk. Let's get on the ball, Dragon capsule is closest to being ready. I love SpaceX, they're going to outcompete Russia and Europe and China on price and do big things.

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ELON MUSK: The Russians Just Gave America A New Reason To Support SpaceX
http://www.businessinsider.com/elon-musk-spacex-russia-ukraine-ula-2014-3


Musk has always been aggressive about competing with Russia, saying it's shameful we ever needed Russians to get us to space in the first place. I wouldn't use that kind of language, but hey, if we've got a cold war on then we need some pro-American can-do attitude.
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Re: Russia says sanctions puts space station astronauts at r

Unread postby Sixstrings » Tue 29 Apr 2014, 22:25:11

Plantagenet wrote:Obama lied about supporting the space program just like he lied about cutting the deficit and many other things---the responsibility for killing the US space shuttle program falls entirely on Obama.


This is one of those situations where O stumbled into doing the right thing. And, I don't know Plant, it's likely privatization was talked about back in the Bush admin too and this came from NASA to start with. That they want to focus on science and doing new things and turn the boring stuff over to private.

In the case of SpaceX, it's working. You've got a great CEO there with Musk, and NASA gave them advice, and he's done everything differently than all the "established" Boeing and whatnots with their $10,000 screw government teet cost overruns.

This is a real example of market forces working, someone like Musk wanting to be the Walmart of space and outcompete the whole world on satellite launch cost, regardless of taxpayer money. He's not just about milking the US gov.

Also.. the space shuttle was not safe. We had to finally admit that. Overly complicated, cost a fortune, way before it's time -- it's a wonder it worked out as well as it did. Rocket launches are cheaper and safer and SpaceX is going to get to resusability on those which is a giant leap.

Shuttle was just over with, we either had to do a new shuttle or go back to rockets. Making space CHEAP and privatized is better than a whole new shuttle at this point.

(bottom line -- dragon capsule is only thing that can get ready fast enough, US gov can't get it done in time, and we do have astronauts up there. If Russians are making noises about the soyuz we gotta get a capsule ready ASAP)
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Re: Russia says sanctions puts space station astronauts at r

Unread postby Sixstrings » Tue 29 Apr 2014, 23:00:46

I hadn't looked at spacex news for a while.

Just checked.. apparently they're suing the US gov over secret deals favoring the oldschool Boeing and Lockheed monopolies. Musk is right on this. These other companies just milk the taxpayer, SpaceX has a whole different business model. Musk has commented before that everyone else in the industry charges whatever they think they can get out of that client, whereas SpaceX's prices are flat rate for everyone.

SpaceX sues US government for secretly awarding multi-billion-dollar military launch contract to Boeing and Lockheed

The lawsuit that alleges the US military has given a big sweetheart deal to United Launch Alliance (ULA) for sending government payloads into space. As is his way, SpaceX founder Elon Musk has not been shy about making his feelings known.

The project at the center of this legal wrangling is called the Evolved Expendable Launch Vehicle, or EELV if you’re short on time. It is intended to be an “expendable” launch platform, which means the rocket is expended during the launch process and its components are not recovered for later reuse. That might mean they are catapulted out into space, or drop harmlessly into the ocean. ULA’s solution to this is to use a combination of Atlas V and Delta IV rockets, which Musk points out have been flying for over a decade and use Russian-built RD-180 engines. The use of Russian engines may violate international sanctions put in place after the recent Ukrainian occupation.
http://www.extremetech.com/extreme/181469-spacex-sues-us-government-for-secretly-awarding-multi-billion-dollar-military-launch-contract-to-boeing-and-lockheed


And he's right, *why give these contracts to companies that are using Russian engines*? SpaceX Merlin engines were designed ground up by Americans, made in America, let's support them for cripes sake.

Musk suing the airforce to breakup their backroom deal monoplies given to contractors:

Musk’s SpaceX to Sue U.S. Air Force Over Launch Monopoly
http://www.bloomberg.com/news/2014-04-2 ... opoly.html


And lastly, nice to see they're getting closer to the holy grail of rocket resuability:

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Re: Russia says sanctions puts space station astronauts at r

Unread postby Sixstrings » Wed 14 May 2014, 22:40:47

Russia to ban US from using Space Station over Ukraine sanctions

In retaliation for imposing sanctions, Russia will also bar its rocket engines from launching US military satellites
http://www.telegraph.co.uk/news/worldnews/europe/russia/10828964/Russia-to-ban-US-from-using-Space-Station-over-Ukraine-sanctions.html


So Russia's going to ban their rocket engines from launching US military satellites. Meanwhile France is going through with selling them state of the art multibillion dollar warships. :roll:

We shouldn't be using their rocket engines anyway. That was an outrage to begin with. Americans can make their own rocket engines. Spacex, for one, designed its Merlin engines from scratch and builds them here in the US.

About the space station..

The article is unclear about how Russia is going to ban Americans from the international space station. They're saying they won't do anymore Soyuz launches for us (that's fine, we need to get SpaceX's Dragon ready anyway and do it ourselves).

But are they saying they can actually ban us from the whole station???

If memory serves, the core of the ISS is the old Russian station? (not sure)

All the other modules are international: American, Japanese, everyone. If Russians really ban us from the station we spent the most money on, by far, and just deorbit it to burn up out of spite when we want to keep it running -- well that's rather crappy of them.
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Re: Russia says sanctions puts space station astronauts at r

Unread postby AgentR11 » Thu 15 May 2014, 18:31:58

1) Retiring the shuttle was the correct decision. Yes, it was pretty and kinda awesome; but it was awesome in the sense of spending hundreds of millions for tasks that should (and do) cost tens of millions. Had we done it earlier, and green lighted SpaceX, et al, we would be much further ahead of the game, and not subject to this particular nonsense.

2) ISS is not built on top of an old Russian station. The propulsion module is Russian. They are really just talking about Soyuz lifts for US astronauts. However, ISS is not worth hurrying the private ventures; they need to be done right so that the public and its users have confidence in the system when used. Doing them right takes time. Nothing would serve Russian ego better than seeing SpaceX rush a manned flight and kill an astronaut.
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Re: Russia says sanctions puts space station astronauts at r

Unread postby Sixstrings » Tue 20 May 2014, 21:14:55

Well this is common sense, that of course no one nation can unilaterally cancel the space station:

NASA says Russia alone can't end International Space Station work

"There is no single partner that can terminate the international space station," Bolden told reporters in Berlin, where he was attending the city's annual air show.

Bolden said that the cooperation between NASA and Roscosmos, the Russian space agency, on the International Space Station hadn't changed "one iota" in recent years. The project has withstood the increasingly frosty atmosphere between Washington and Moscow that saw the U.S. impose sanctions on Russia over its actions in Ukraine.

Still, Bolden indicated that if for one reason or other a country should drop out of the project, the others would seek to continue.

"There is no one partner that is indispensable on the International Space Station," he said. NASA hopes that private companies such as Space X will be able to develop rockets and capsules to fly astronauts to the space station as early as 2017.

Asked whether there might be an opportunity to bring on board China, which NASA is currently banned from cooperating with on human space flight, Bolden said: "There is nothing that I see in the tea leaves that says our relationship is going to change."
http://www.foxnews.com/science/2014/05/20/nasa-says-international-space-station-will-keep-operating-even-if-russia/


To be fair to Russia, there was also an article where they walked things back and said they realize the station is fragile and won't do anything to impede it. So presumably they'll continue the Soyuz launches.

Eventually the US air force needs to get away from using Russian rocket engines, start making those here again, and for the space station the SpaceX Dragon will be crew ready by 2017.
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SpaceX

Unread postby Sixstrings » Fri 23 May 2014, 04:20:02

Musk has lawsuits going on against the air force and federal govt, to break the monopoly on military launches and get spacex into that business. His main point has been that his competitors use Russian rocket engines, and Musk has said it's not a good idea to send money to the Kremlin when his company builds its own rocket engines in America:

In March, Musk, who’s also the CEO of Tesla Motors Inc. (TSLA), told members of Congress that military satellite launches may be at risk because a joint venture of Lockheed Martin Corp. (LMT) and Boeing Co. (BA), the top two federal contractors, relies on Russian rocket engines.

Musk criticized both the venture, United Launch Alliance LLC, and the Air Force. “In light of international events, this seems like the wrong time to send hundreds of millions of dollars to the Kremlin,” he told reporters April 25 at the National Press Club.


The Air Force says that it's been working hard to get SpaceX certified to launch their stuff:

The Air Force’s top uniformed acquisition official said the service is spending about $60 million and using as many as 100 people to certify SpaceX for the launches. “We’ve got folks busting their butt to get SpaceX certified despite what everything in the media seems to say,” Lieutenant General Charles Davis said in a May 8 interview.


Musk's competitors shot back, accusing Musk of antagonizing Russia and jeopardizing the space station, and I guess they blame Musk for Russia not selling us rocket engines anymore. I imagine they're just sore because their companies have no engines without Russian engines, while SpaceX makes its own:

“If recent news reports are accurate, it affirms that SpaceX’s irresponsible actions have created unnecessary distractions, threatened U.S. military satellite operations, and undermined our future relationship with the International Space Station,” its spokeswoman, Jessica Rye, said in an e-mail last week.


Musk also getting aggressive with his space station cargo competitors:

Musk has suggested that Orbital Sciences Corp. (ORB) deserves fewer missions to supply the space station. Unlike SpaceX, Dulles, Virginia-based Orbital delivers cargo to the station using a one-way spacecraft that burns up on its return.

“They take up less than we do and they take nothing down, and they get paid twice as much per mission as we do,” Musk said in an April presentation at the U.S. Export-Import Bank’s annual conference in Washington.


I would say the space station does need more than one contractor, as a failsafe and backup, though it doesn't sound fair that ORB gets paid twice as much as SpaceX, for an inferior product. (SpaceX operates on published fixed prices, lowest cost launches in the world)

Overall Musk is great for space, and he'll save taxpayers a lot of money, if you can get the pork sweetheart deals away from Congress and their pet contractors.

He's finding some allies in Washignton:

In his fight for the military launches, Musk has found allies among U.S. lawmakers who want to open the military launch market.

Arizona Senator John McCain said in an interview that it’s clear the Air Force made a commitment to increase competition and then “reversed itself.”

“It just doesn’t seem right to me,” said McCain, the top Republican on the Homeland Security and Governmental Affairs investigations subcommittee.

Asked whether Air Force officials might retaliate against Musk following SpaceX’s lawsuit, McCain said that one of his jobs is “to make sure they don’t.”

http://www.bloomberg.com/news/2014-05-22/the-musk-show-in-washington-roils-rivals-as-fans-applaud.html
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Re: Elon Musk's rocket engine feud with US gov, his competit

Unread postby Sixstrings » Fri 23 May 2014, 04:40:59

Hm, it gets deeper..

Musk tweeted accusations that his competitor bribed a US Air Force official with the promise of a VP jobs:

V likely AF official Correll was told by ULA/Rocketdyne that a rich VP job was his if he gave them a sole source contract
8:45 PM - 22 May 2014


Reason I believe this is likely is that Correll first tried to work at SpaceX, but we turned him down. Our competitor, it seems, did not.
8:52 PM - 22 May 2014


:lol:

He’s referring to a story on the National Legal and Policy Center website about Roger “Scott” Correll, an Air Force official at the Pentagon responsible for procuring launch services from private companies. Before retiring, Correll reached a massive deal for 36 future launches with United Launch Alliance, a joint venture of defense heavyweights Boeing BA and Lockheed Martin LMT .

But Correll didn’t really retire. In fact, he ended up as vice president of government acquisition and policy at Aerojet Rocketdyne, which supplies rocket engines to ULA.

Musk, who has skin in the game as the boss at SpaceX, smells something foul, especially considering what the NLPC describes as “the monopolistic nature of the contract, locking up three-dozen launches for several years to come.”
http://blogs.marketwatch.com/themargin/2014/05/22/elon-musk-calls-corruption-on-rival/

Wow Musk is making a lot of enemies. This guy's a Hank Reardan right out of Atlas Shrugged, he's great.

Hopefully somebody in Washington likes him, because even if he's stepping on everyone's toes, his company is very important to the future of cheap space flight and rocket reusability.

(to be fair, "bribe" may be a strong word -- unfortunately this happens with every part of our federal govt, every day, it's a total revolving door with a payback at the end at some corp that a pol or military official helped, or for congress it's a lucrative lobbying gig. I guess it's legal, but what's the difference between this and bribery, it's a kickback.

Looking into Aerojet Rocketdyne, it's Boeing and Lockheed, so if they're making engines then what's up with all the Russian engines? Anyhow, SpaceX should be let in on this market, these guys need the competition not a monopoly we've had enough of that all these years with space costing such a fortune.)
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Re: Elon Musk's rocket engine feud with US gov, his competit

Unread postby Beery1 » Fri 23 May 2014, 06:15:22

Yawn!

The whole story is irrelevant. I mean, who cares who's going into space and who's selling rockets to who? Space exploration is humankind's biggest boondoggle. It's a complete waste of time and energy. We should be plowing all that money into programs that reduce inequality and enhance living standards here on Earth, rather than wasting it on useless space adventures.

As for Musk being a Hank Rearden, hardly, unless Hank Rearden also wastes billions of dollars on the space age equivalent of a 19th Century architectural folly. It wouldn't surprise me, since Atlas Shrugged came out of the mind of a complete raving loony. I've acquired more philosophical and practical insight in 10 minutes watching an episode of Curious George with my daughter than I ever got out of any of the garbage posing as literature written by Ayn Rand. In my view, the fact that there are still folks who think her written ravings are the bee's knees shows how monumentally stupid people can be.
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Re: Elon Musk's rocket engine feud with US gov, his competit

Unread postby Sixstrings » Fri 23 May 2014, 19:44:45

Beery1 wrote:Yawn!


Without satellites, you do realize don't you, that we wouldn't have our cell phones and we wouldn't have the internet and we wouldn't have GPS and we we'd still just have 3 antenna channels on the TV.

Without satellites, we wouldn't be able to study the earth and climate change. We wouldn't even be able to warn people of approaching hurricanes.

We couldn't do most of global climate science, without satellites.

I'm not sure what your view is -- are you against all technology? Do you think there never should have been a Sputnik in the first place?

Are you not at all interested / excited about developments in quantum physics, and just understanding the universe and the big questions of what's out there and why we are here? And, sending probes to those exciting moons around Jupiter and Saturn?

You wouldn't think that's cool? Some video coming back showing the ocean under Europa's ice? Or, finally finding life elsewhere in our solar system?

And another thing, climate scientists are actually learning a lot from Cassini and studying weather on Saturn's moons. That's useful information to help us understand the earth more, and our climate.

Satellites are not a boondoggle, obviously, they are integral to your daily life.

SpaceX can launch those satellites cheaper than anyone else in the world. They've got clients lined up, years in advance. That's business that would otherwise have gone to Russia, or the Euro space agency, or China, or others.

Stephen Hawking has said before that humanity must colonize out into space or we will go extinct, probably within 1,000 years. Or it could be a few years from now -- earth is overdue for one of those extinction level asteroid impacts.

This is a doomer forum, well asteroid doom is real it's not sci fi or a joke and the government knows it and spends a lot of money tracking them (with the hope that maybe something could be done, if we are faced with that extinction impact, 5 or 20 or 50 or 70 years from now).

If you think space is just all boondoggle, then you should be glad there is a SpaceX that is *trying to cut all these costs by 1/3 and more*. The federal gov has already wasted billions on Mars missions that never happen. SpaceX's Falcon 9 heavy can do it, right now. Though the way the government works, they'll just fund Boeing or Lockheed to waste a billion dollars for ten years and then Congress will cancel it anyway.

What Musk is doing is very exciting. He's the rare big dreamer that can put his dreams into fruition. That's like another Thomas Edison. We need people like that. That's part of what "Atlas Shrugged" was about -- don't flood out the dreamers in a sea of mediocrity and bureaucracy and government contractor kickbacks and corruption.

(and no I'm not buying into the Repub makers and takers thing, but I also recognize that there are exceptional people in this world, and it's a tragedy for all society when they get squashed by people who can't understand it.

But anyhow, I know you guys aren't interested in space, this is news with Musk because of the issue about Russian rocket engines right now. And if a new cold war is brewing, then this is the kind of American we need. Can do. Innovative. Another Wernher von Braun, Musk is a guy that started a company to get mankind to Mars and I just think that's cool.

And he wants to see Americans making their own rocket engines again, not buying Russian. He wanted to see Americans able to get themselves to space again, without Russian help. And he went out and did it, and his company developed the 7 seater Dragon capsule and they designed new engines from scratch and they build them themselves.

His competitors buy Russian engines and we're sort of screwed now that Putin doesn't want to sell the Air Force or NASA contractors rocket engines, anymore. So there's Musk -- he had the vision to make something better than Soyuz, he had the vision to make his own engines. He was right.)
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Re: Elon Musk's rocket engine feud with US gov, his competit

Unread postby Sixstrings » Fri 23 May 2014, 20:17:19

I don't know, if you guys aren't interested you're just not interested.

Lot of things here, though. Corruption in our government, for one:

Elon Musk says he lost a multi-billion-dollar contract when SpaceX didn’t hire a public official
http://qz.com/212876/elon-musk-says-he-lost-a-multi-billion-dollar-contract-when-spacex-didnt-hire-a-public-official/
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Re: Are humans likely to colonize space?

Unread postby Sixstrings » Thu 06 Nov 2014, 19:52:31

MonteQuest wrote:I especially liked this one.

"Our species is no more marooned on earth than it was marooned in Africa."

I could write a book on why that isn't so. :lol:


Let me ask you a different kind of question,

which do you WANT to be true?

Do you WANT the doomer story to be true? Or are you pro space but just see all these opposing factors to it?

Here's what's going to happen Monte.. space industry is going private. Elon Musk is the trailblazer, he's the first. He does not need any gubmint contracts. His company is already booked for years on out, corporate satellite launch clients, and nations of the world from Bulgaria to Argentina to Thailand.

Privately held company. He started it "to get to Mars." It's his dream and he's made it happen so far, he's about to unveil the largest rocket in the world -- Falcon Heavy.

If Musk wants to do Mars missions, and he finds a way to make it happen, then it's going to happen whether you liked it or not or thought it could happen or not.

Also -- Chinese gov is planning a Mars mission, and supposedly Russia is too but I don't think they'll have the money for it.

So anyhow, in the future it'll really be about private, and that's the free market and so it's out of your hands Monte. If it is to be, then it will be.

I say it will be: there is no land bridge that homo sapiens never bothered to walk across. There is no ocean that homo sapiens never got on a raft and drifted across, to find land on the other side. There is no ocean that wasn't sailed and explored just as soon as it could have been, when the tech was there.

It'll happen.
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Re: Are humans likely to colonize space?

Unread postby dinopello » Thu 06 Nov 2014, 20:14:49

Sixstrings wrote: Elon Musk is the trailblazer, he's the first. He does not need any gubmint contracts. .


This Forbes article says Musk get Billions from the gubmint

And this one says they are getting more gubmint contract
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Re: Are humans likely to colonize space?

Unread postby Sixstrings » Thu 06 Nov 2014, 20:33:33

dinopello wrote:
Sixstrings wrote: Elon Musk is the trailblazer, he's the first. He does not need any gubmint contracts. .


This Forbes article says Musk get Billions from the gubmint

And this one says they are getting more gubmint contract


Whoah, that's big big news for them:

Senate Could Hand SpaceX A Monopoly In Military Satellite Launches

meanwhile the Senate panel has drafted legislative language that would effectively bar ULA from the military launch market. The language is contained in Section 1623 of the Senate version of the 2015 National Defense Authorization Act, and almost nobody on or off Capitol Hill seems to grasp its significance.

What it says is that the Secretary of Defense may not enter into a new contract or renew an existing contract under the Evolved Expendable Launch Vehicle program with any person “if that person purchases supplies critical for space launch activities covered by the contract from a Russian entity.”
http://www.forbes.com/sites/lorenthompson/2014/07/15/senate-could-hand-spacex-a-monopoly-in-military-satellite-launches/


Well that's splendid news!

Congress doing something for once! Getting us off these Russian rocket engines, for God sake look at the other thread and read about the "catastrophic" Russian virus "poised to cause economic catastrophe in the US."

Dino, are you for us trying to keep buying Russian rocket engines?

Thank God someone in Congress has some sense, finally. Hell no, no way, no more Russian engines and if ULA and all these other idiots are crying about that then too bad too sad -- go make your own engines in America, and then come back with your bid.

And no they should not get billions of tax dollars just to make their new engines either, let them pay for it themselves! If Musk can do it, then I'm sure Boeing and Lockheed have the money laying around somewhere.

If they wanna stay in business, they'd best stop bitching and stop hiring lobbyists to keep us using Russian engines, go design and build engines in the USA, employ some American workers and craftsmen making engines. We should be doing more of that anyway, not just rockets, for pete sake.

Regarding what I said about SpaceX -- I said they don't "need" gubmint contracts, they could make it at this point with just private launches, but of course they've gotten contracts and there's nothing wrong with that; they have cut prices a lot and have saved we the taxpayers a lot of money and will save us money in the future.

I like that company so much I don't care about cost savings, I'd vote for throwing them a lot of billions just for the hell of it and see what they come up with.

There's nothing wrong with throwing money at success, only failure.
Last edited by Sixstrings on Thu 06 Nov 2014, 20:43:22, edited 1 time in total.
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Spacex reusable rocket test failure

Unread postby Sixstrings » Sat 17 Jan 2015, 19:27:10

Rocket stage's control fins lost power, it crashed into the ship it was supposed to land on. Vine video:

https://vine.co/v/OjqeYWWpVWK

Caught On Tape: Elon Musk's SpaceX Rocket's "Rapid Unscheduled Disassembly" Event

It's not been a great week for Elon Musk. First he admits that Tesla sales in China were disappointing (which further tanked the stock down 15% in the last 3 weeks and over 36% off its record highs from last September) and then his SpaceX project suffered a significant setback in what Musk comedically called a "Full RUD (Rapid Unscheduled Disassembly) event."

As The Telegraph reports,

SpaceX CEO Elon Musk has released the first images from last week's failed landing of its Falcon 9 rocket.

The booster was supposed to have landed on a barge floating off the coast of north-eastern Florida in what would have been a revolutionary first for the space company. The ability to land rockets for reuse is central to Musk's plan to cut the costs of flying into space.

The entrepreneur today gave a more vivid account of what happened, tweeting four dramatic pictures taken by cameras on board the platform. The images, which can be seen below, show the 223-foot-high rocket smashing into the deck of the ship at a 45-degree angle as its stabilising fins lose power.

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@ID_AA_Carmack Tks. Turns out we recovered some impact video frames from drone ship. It's kinda begging to be released…

Before impact, fins lose power and go hardover. Engines fights to restore, but …

Rocket hits hard at ~45 deg angle, smashing legs and engine section

Image

Full RUD (rapid unscheduled disassembly) event. Ship is fine minor repairs. Exciting day!
http://www.zerohedge.com/news/2015-01-17/caught-tape-elon-musks-spacex-rockets-rapid-unscheduled-disassembly-event


I'll have to dig into this later, to get more detail.

I'm curious how high of an altitude the stage managed to descend from. If it was very high, this being a first stage booster, then I don't see the huge failure here. Just coming back down on target is success. Now they have to iron out the control fins and see if they really can *land* a first stage booster after such a long descent.

I don't know if they had anyone on that ship or not, but it's good there were no injuries in this test.

They do need to be careful with that. They're doing some big things here, groundbreaking stuff, that others have failed at before. You don't want a rocket stage crashing down into anybody, safety has to be #1.

edit: correction, the tweets say it was a drone ship in the atlantic ocean so nobody was in danger then.

Incidentally, here's a video about the dragon 1 and dragon v2 spacecrafts:

SpaceX Dragon V2 | Unveil Event
https://www.youtube.com/watch?v=yEQrmDoIRO8


I like what he says about the dragon 2, that a "modern spacecraft should be able to land anywhere on earth with the accuracy of a helicopter."

They definitely have to get this right though, there can't ever be 7 astronauts crashing into the ground like a meteor because retro rockets failed or something.

Musk should be given the freedom to be so innovative and do it his way, but, I think gov should be chipping in a lot of money to be sure they have the resources to make all this happen. Not just money but nasa expertise as well, and so far nasa has done well working with spacex -- a good combo of hands off / giving them the advice they need.

Actually watching this video now, Musk says the dragon v2 still has parachutes on it. And what it will do is test the landing rockets and if there's anomaly then it will deploy the chutes. The rocket landing idea for these capsules is cool as all get out -- but to be honest, I don't really see the utility of it. Sometimes it's better to keep things simple. What can go wrong, will go wrong.. why use rockets when a parachute will work?

For that matter, why has nobody ever landed stage boosters with parachutes, and re-use them that way? The old shuttle reused its boosters if I recall, chute landing into the sea, and I think the main orange tank was waste. Then the shuttle itself cost a fortune just to refit between flights and inspect every tile etc. etc.

Musk is the first to do resusable booster stages, and what he's doing is going for two leaps at once -- landing these stages, AND not using parachutes, but trying to land all his things on a dime with buck rogers retro rockets. Extremely cool, I hope it works out.

Military applications could be one utility for landing this way, where "on a dime" like a helicopter is important. Or, one day, if space travel is more common then it's more efficient to just have spaceports and these capsules landing on their landing pads rather than chuting down and fished out of the water. Or smacking down into a yak farm in Siberia.
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Re: Spacex reusable rocket test failure

Unread postby Keith_McClary » Sat 13 Jun 2015, 13:30:44

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Re: Spacex reusable rocket test failure

Unread postby Tanada » Sat 13 Jun 2015, 15:32:27

Airbus knows if SpaceX pulls off reusabillity they will be able to undercut all other launch companies on a cost to orbit basis. Clearly they think the technology now exists to make resusability possible. If they were sure SpaceX will continue to fail they would not spend money trying to develop their own system to compete with SpaceX.
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Moved earth and heaven, that which we are, we are;
One equal temper of heroic hearts,
Made weak by time and fate, but strong in will
To strive, to seek, to find, and not to yield.
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Re: Spacex reusable rocket test failure

Unread postby Sixstrings » Sat 13 Jun 2015, 19:33:00

The airbus system is "partial reusability." Upper stage only, fixed with wings and propellers on, to stabilize / guide the upper stage and engine down. Other stages and engines would go to waste.

Spacex will be total reusability, all stages and engines, no wings or propellers just landing on a dime with rocket power and retractable landing gear on each stage.

Airbus says an advantage to their system is their rocket could be a smaller, whereas spacex will need to carry more fuel to land all stages.

So maybe the math works out to a wash, or close to a wash I'm not sure.

I wouldn't think the extra fuel costs that much. Generally fuel cost is nothing, the cost to a launch is a (the payload) then b (the stages and engines). The fuel is pennies, in comparison.

Spacex is better overall, no wings and propellors, just rocket stages landing vertically with rocket power just how Buck Rogers intended rockets to land. :lol:

Image

The last spacex test was actually successful, descending from space all the way to the target, on a dime, on that barge. There was a fault with the hydraulics at the end. Minor issue, they're gettin' close, they'll get it worked out long before airbus builds a rocket with wings and propellers.

(something to notice about spacex competitors, they always come up with half-competitive ideas. Like how with orbital sciences, how it could take cargo up to the station but not bring anything down. And now airbus, making a reusable rocket with the only the upper stage and engine saved. Only Musk seems to go for the whole thing, all the way.)
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Re: Spacex reusable rocket test failure

Unread postby Keith_McClary » Tue 16 Jun 2015, 02:08:12

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Re: US Supply Rocket Explodes Seconds After Liftoff!!!

Unread postby Keith_McClary » Sun 28 Jun 2015, 11:08:15

SpaceX Falcon rocket destroyed shortly after liftoff from Florida
Rocket was carrying supplies to International Space Station
Thomson Reuters Posted: Jun 28, 2015
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