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A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

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Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#252

Hmm… cash squeeze at Tesla and SolarCity. Next thing, a SpaceX rocket blows up. Maybe he did it for the insurance money? >:-) https://news.ycombinator.com/item?id=12405092

There is no insurance for SpaceX here. The payload is insured, but the loss of the launch vehicle and any damage to the launch facilities will be born SpaceX directly.

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#253

Earlier quoted context omitted.

> Even if somehow your crackpot theory had merit We try to avoid that kind of tone here, regardless of the merits of anyone's comments.

Fact is, the original was very racist. Just cleverly(obviously?) hidden. Why would a country blow up it's own stuff when it's obvious there are better ways. (Undertone they are culturally/genetically stupid) I find this worse, I thought the reply was kinda tempered.

Uh dude? That happens all the time.

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#254
post #5

Wild-ass speculation in the absence of more information than a tweet and a photo of a pad fire: SpaceX test-fire the first stage motors before each launch. If this was a test firing that went spectacularly wrong, it's embarrassing -- but there won't have been any human beings within blast range and it's better to fail in test than to fail in flight with a payload on top. (If it was a catastrophic failure during fueli…

From the video it looks like the fire didn't start where you'd typically have your first stage motors.

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#255
post #76

Earlier quoted context omitted.

Agree. "Sad" is the PC thing to say when something like that happens. In most people's lives it's a big "who cares". [1] The fact that you were downvoted (at least when I saw your comment) indicates people don't agree with what you are saying and is an example of trying to enforce a particular type of thinking on someone else as far as what they should think or feel. [1] Of course I wouldn't say "who cares" directly…

You wouldn't say it directly to someone involved in the project, but you'll say it in a public forum where there's a decent chance some of those people will see it?

Of course I would say it to someone directly involved in the project. I've had projects I worked on go south through unavoidable externalities, of course I felt disappointed but there' no irreversible loss as when someone dies or is permanently disabled. Save your emotions for things that actually matter, an economic/operational setback doesn't qualify.

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#256
post #239
post #109

Earlier quoted context omitted.

They do the tests to validate that this rocket won't turn into a cruise missile, headed for the nearest residential area. Not an impossible scenario. Lots of energy stored up in one of those rockets. Just like when we test software, they want to have everything as close to what they would expect on launch day as possible (2 days from now). All the stresses, the structure, etc. That means putting stage 2 and the paylo…

Could they not have mocked the payload?

The question nobody is answering....

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#257

Earlier quoted context omitted.

There are actually things to test in the integration between the rocket and satellite. It's not like the satellite is a dump piece of steel sitting on top of the rocket. The payload has its own computer, power systems, and propulsion. The interactions between that and the launching rocket / ground systems matter. Also mating the two is non-trivial, so you can push the static fire back closer to the launch if you are…

Would they do so if human cargo?

They have a launch escape system. Although even when it works the human cargo might need cigarettes and "shots of vodka to help them relax"

https://en.wikipedia.org/wiki/Soyuz_7K-ST_No._16L

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#259

Earlier quoted context omitted.

It's pretty well documented that people at SpaceX work 80+ hours a week consistently: https://www.quora.com/How-many-hours-a-week-does-a-typical-S... http://spacenews.com/op-ed-3-things-to-know-if-you-want-to-w... https://www.reddit.com/r/spacex/comments/25ixxq/is_spacex_wo...

Thank you. So they are paid overtime for this, is that correct?

Engineers are not paid overtime. Technicians often are paid overtime.

Re: A SpaceX Falcon 9 rocket has exploded at Cape Canaveral

#260

Looks like they had a payload go with it. Sad. > "SpaceX confirm Amos-6 was aboard the Falcon 9 and was lost in the explosion." https://twitter.com/NASASpaceflight/status/77135388623807283...

What's sad about it? They have insurance, it's just hardware. Nobody died or was even injured, so it's merely an invoncenience.

There are engineers out there who actually care about their work, and put years into it. It's really most sad for them.
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