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SpaceX launch webcast: Orbcomm-2 Mission [video]

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Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#261
post #235

Elon should thank the American people. This achievement was financed by us and wouldn't be possible without the forward looking NASA program. So before we all thank Elon for taking our money, let's pat our selves on the back. Really we should thank the amazing spacex engineers, who worked tirelessly. Not just Elon. Sure he worked hard too, but not much more than anyone else at spacex I'm just tired of the Elon worshi…

> I'm just tired of the Elon worship. Nobody acknowledges the amazing people who actually made this happen. As an engineer it pisses me off.

I would have hoped this thread would be a reprieve for you. I'm seeing tons of respect for SpaceX as a whole here. Ditto for the video, where they thank their partners at NASA, The FAA, etc. - and customer, Orbcomm - for making all this possible. I don't recall Elon being mentioned once in the video. Elon's mentioned a few times in thread for the purposes of citation about the plans of SpaceX, and some silly twitter drama - that's about it. No Elon worship I can spot.

> Sorry if this is an unpopular opinion.

I think pretty much everyone is on board with appreciating the hard work of everyone at SpaceX, NASA, The FAA, Orbcomm, and all the engineers and taxpayers who made it possible. Elon's one of those people though. This... jealousy of him? That's probably not the right phrasing. But if it's poorly received, I suspect it's because it comes across as appreciating the hard work of everyone but him. Or put differently: It's not appreciating the hard work of everyone.

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#262
post #72

Earlier quoted context omitted.

That's an impressively ambitious goal. Has SpaceX mentioned any willingness to use returned first stage rockets to launch astronauts? That would be the ultimate expression of their confidence in this approach, though understandably it may be a long ways off.

It's funny, with most vehicles you want to avoid being on a completely new, untested one. Think about it: would you be comfortable flying on a brand new 787 that had never been flown before, not even once? I sure wouldn't. Before long, maybe rockets will be like that too.

Depends if the first flight almost destroys the vehicle. It'll be very interesting to see how well this rocket stood up to the flight. Since orbital rockets are within epsilon of just blowing up every time any way!

Incredible project. Reusable rockets. It's science fiction coming to life again, like the 1960s.

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#263

Earlier quoted context omitted.

Lots. There's really not a lot of costs that can add up for reuse of these stages. It'll require a bit of cleaning up, a few new bits and pieces replaced and added, and a lot of inspection work. But most of the cost of the stage is in manufacturing the engines and tanks, so it should add up to enormous savings, even if it's relatively costly to reuse each stage compared to the theoretical limits. Edit: the flip-side…

Good point. Orbcomm already paid off the booster. Now SpaceX can take it up for a joy ride for only a few hundred grand of gas and really fly the fins off it. I bet they relaunch this booster on their own dime as a demo.

I have no inside knowledge, but I'd suspect Orbcomm paid next to nothing for this launch.

Between "You'll be the first launch since the last one... You know, that one with a small anomaly..." and fact that this was the first launch of a new version of the falcon 9 (with slightly different engines, cooler/more pressurized O2), I know that if I were negociating for Orbcomm, I'd ask spaceX to cross the last digit on their bill (and probably have a much more expensive insurance policy in return).

And to delay a _commercial_ launch in order to accommodate weather for the _landing_ ? AFAIK, that's another world's first in history and I think that tells a lot on the underlying story.

Don't get me wrong, this is an amazing achievement, and the economics of it don't really matter when it comes to the technical prowess

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#264
post #256

This makes no sense to me. If you want to recover the rockets why not use parachutes? Guiding a parachute down, maybe with the help of some propellers, has got to be easier and more reliable than this.

Precision landings

http://space.stackexchange.com/questions/7949/why-does-the-s...

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#265

This is so epically awesome that I feel like we orbited a human for the first time or something. Bezos whining aside, its a huge deal to return 9 engines from a workhorse booster back to the pad to be refurbed and re-used. If the $5M each costs are correct, that is $45M in cost savings right there. But perhaps more importantly its the first "first" for SpaceX which has not been done by NASA or anyone else. Launch a p…

The whole Bezos/BlueOrigin thing is kind of sad. They are nowhere near a "club" with SpaceX.

One of the huge differences (and there are many) is that Falcon 9 was doing 6,000 Km/hr (~4,000 mi/hr) when the first stage separated and turned around to come back.

The path was not straight up, but rather one to launch the second stage into orbital flight (which reached 26,000 Km/hr and 600 miles of altitude).

Then Falcon9's first stage FLEW a curved return path; fired three engines to slow down from holy-crap miles-per-hour, shut them down and then, at exactly the right moment in time, fired one engine to land.

The Bezos rocket went straight up to zero velocity and came straight back down.

It's like throwing a bottle straight up in the air compared to throwing one in a parabolic path to the top of the Empire State building and having that bottle then turn around, fly that same parabolic path to return and land at your feet.

Not sure why Bezos feels the need to try to imply his effort (which IS significant) is on the same league as SpaceX other than to potentially try to leverage the fabricated parity for publicity and external funding.

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#266
post #124

Earlier quoted context omitted.

OK, explain how the landing of the SpaceX first stage was many times more difficult? They used different mechanisms, yes (suicide burn vs. hover-capable) and the purpose of the overall system was different, but they are both VTOL rockets. Blue Origin was first , and Bezos can quite rightly welcome SpaceX to 'the club' as the second company to achieve this, without being accused of being classless, surely?

Why is this downvoted? There is some serious tribalism going on in this thread. You all need to chill out and start thinking again. Who cares whether BO or SpaceX was first, or whether China or America was first? We should be happy that humanity is closer to Mars.

I for one think that giving credit where credit is due is an important thing.

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#267
post #249

Earlier quoted context omitted.

I don't think it is worship so much as it is respect. While its true engineers did the work there is ample evidence that the exact same team can have very different outcomes with different leadership. This is shown again and again in sports where one year the team does poorly, but a new coach or manager can get that same group of men into the playoffs. Same guys, different leader. That is true of engineers as well, I…

Imagine this scenario. Musk is fired from his leadership role and is moved to the mail department, where he sorts mail. He is the best mail sorter in the group. Does he deserve the same respect? His influence is given by the position as leader, not any individual quality he may have. It doesn't take a great imagination to think of other possible organizational forms that don't disproportionately give one person influ…

We see things differently.

And it's hard to argue that a guy fired from his job deserves respect. Shkreli deserves no respect (for example) and was recently fired. The coach who doesn't having a winning season gets no respect.

In my experience I found a huge difference in organizations with good leadership and those with poor leadership (and I've been in both!) And I've been both the engineer and the leader in my career.

You can imagine other organizational forms, but as you experience them you may find, as I did, that the people make the difference, not the form. And that every position has its advantages and challenges. The more senior you are, the more leverage you have in screwing things up. If a line manager makes a bad call, the schedule slips, if the CEO makes a bad call, the company can cease to exist and lose all those jobs. Sort of like in a Viking longboat the oarsmen do the work but if the guy on the tiller falls asleep they are all dead.

It took me a while to understand the roles everyone has to play in getting something done, and the stakes involved for everyone involved. Of course I've really only known organizations which have operated in the environment of US laws and customs, (of which SpaceX is one) but in those organizations I've found that people don't arbitrarily "get to the top", and understanding the difference between what it takes to operate at that level, versus at the level of getting the stuff done that you're told to do. There is a big gulf.

One of the more interesting things a CEO I respect and admire told me about being a senior leader was this, "Chuck the good thing about being in this role is you get to make some of the important decisions, the bad thing about being in this role is that you have to make the important decisions."

So we disagree on what is disproportionate and what is unjust. Perhaps one day we'll be more in agreement.

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#268
post #107

Earlier quoted context omitted.

"Welcome to the club"? Wow, that was classless. What Blue Origin did was impressive, but it was utterly trivial compared to what just happened with this flight.

Really, 'classless'? The achievement is landing a space-capable booster vertically, after an actual mission above 100km, which can then be reused. And, Blue Origin managed that first, no two ways about it. I think it's probably pretty classless to imply that what Blue Origin managed to do was 'trivial'. Just because SpaceX is the current hacker's favourite, doesn't mean you have to downplay everyone else. I think Mus…

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Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#269
post #209

Earlier quoted context omitted.

"New-space" aerospace companies are operating on a different funding framework from the old aerospace juggernauts. Instead of cost-plus funding that came almost solely from the government and which allowed rockets like ULA's Delta IV and Atlas V to stay competitive in the $300-400 million range without having to find ways to cut costs. SpaceX, Blue Origin, and Orbital Sciences, as well as other new companies, have to…

Thanks. I've heard the story but I haven't seen evidence of it, it smells too much like a marketing story (we're young and exciting, those old people are boring and stuck in the past), and it seems very unlikely: I don't buy that the 'old' companies wouldn't want to reduce their costs by 75%, greatly increasing demand for their very expensive service, greatly increasing their bottom line - even in a cost-plus arrange…

Old companies don't want to reduce the cost - they like hundreds of millions of dollars per launch ;)

Re: SpaceX launch webcast: Orbcomm-2 Mission [video]

#270
post #209

Earlier quoted context omitted.

"New-space" aerospace companies are operating on a different funding framework from the old aerospace juggernauts. Instead of cost-plus funding that came almost solely from the government and which allowed rockets like ULA's Delta IV and Atlas V to stay competitive in the $300-400 million range without having to find ways to cut costs. SpaceX, Blue Origin, and Orbital Sciences, as well as other new companies, have to…

Thanks. I've heard the story but I haven't seen evidence of it, it smells too much like a marketing story (we're young and exciting, those old people are boring and stuck in the past), and it seems very unlikely: I don't buy that the 'old' companies wouldn't want to reduce their costs by 75%, greatly increasing demand for their very expensive service, greatly increasing their bottom line - even in a cost-plus arrange…

So why didn't the old companies do it? They have the same access to technical and financial expertise as anyone, and deep pockets.
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