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Falcon Heavy Launch [video]

spacex.com

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Re: Falcon Heavy Launch [video]

#151

Post by nozzlegear »

4gotunameagain wrote: post #95

The military propaganda at 9:30 was interesting. Showing Chinese people while saying "our adversaries". Has it ever been done so overtly before ?

Just a minor nitpick but I think the part you're referring to (actually at 11:50 in the video) is showing Chinese soldiers specifically, not just random Chinese civilians. I'd bet that there are few people in either the US or Chinese military who would disagree that the other side is an adversary right now, even if they're not at war.

Re: Falcon Heavy Launch [video]

#152

Post by slimginz »

4gotunameagain wrote: post #95

The military propaganda at 9:30 was interesting. Showing Chinese people while saying "our adversaries". Has it ever been done so overtly before ?

Wow that almost plays out like a parody of itself. I was half expecting it to be revealed as one of those fake Saturday Night Live ads.

Re: Falcon Heavy Launch [video]

#154

Post by ErneX »

ape4 wrote: post #136
bell-cot wrote: post #84

Earlier quoted context omitted.

When you are watching SpaceX launch videos, pay attention to the velocities at which the various engine burns begin and end. Reaching higher velocities (for comparable payloads, etc.) requires burning more fuel - so there is less fuel left in the tank to perform boost-back burns, entry burns, and landing burns. Not enough fuel for a boost-back burn (the typical situation) means "barge landing". Not enough fuel for an…

And this customer asked for no filming later in the launch. So they are rich and secretive - I wonder who that could be?

It was a launch for the US Space Force.

Re: Falcon Heavy Launch [video]

#156

Post by nozzlegear »

dom96 wrote: post #26

The way the boosters land feels so alien and CGI-like. I'm curious how close you can get to viewing the landings in real life, would really love to take a trip to do that at some point.

I had the same thought when watching it, it looked like they had overlaid a CGI demonstration of what the landing was supposed to look like. Really cool stuff.

Re: Falcon Heavy Launch [video]

#157

Post by TremendousJudge »

krisoft wrote: post #134
rep_movsd wrote: post #102

Earlier quoted context omitted.

Quoted post unavailable.

I will bite. Why won't the laws of physics and chemistry allow it?

To be more precise: the laws of physics and chemistry will never allow to pull CO2 from the atmosphere in an energy efficient way

The consequence is that, unless all your electricity generation and raw resource extraction needed for the process has basically zero emissions, it's probably better to just use regular fuel. Burning fossil fuels to create fuel that you then burn has more CO2 emissions than just burning fossil fuels once (since you need way less fossil fuel in the first place). And the US grid is, right now, not in path of not burning fossil fuels. So the idea of pulling CO2 from the atmosphere and be carbon neutral doesn't seem plausible.

That's my take, anyway.

Re: Falcon Heavy Launch [video]

#158

Post by ge96 »

WithinReason wrote: post #41
post_break wrote: post #14

Seeing those boosters land will never get old. I drive by one on my way to work every day and it's just amazing how large they are.

And for some reason seeing 2 land at the same time is a 100 times cooler. Seems like coolness is non-linear.

margin-left: '2 miles';
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