• Welcome! The TrekBBS is the number one place to chat about Star Trek with like-minded fans.
    If you are not already a member then please register an account and join in the discussion!

New SpaceX Falcon Heavy Launch CG

Just an extra 30 foot of deck on all sides might have made all the difference.

SpaceX have already confirmed that it failed due to delayed valve response times. I am not sure larger landing area would have necessarily removed that as a problem (although the water landing were vertical, so you might have a point). OTOH, they are going to fix the valve response delay in a couple of months and the size of the platform wouldn't be an issue. They can hit the target, as we can obviously see.
 
Congratulations to SpaceX for winning over this rather unfair policy. But as much as I hate ULA, let's hold our horses. If instead of SpaceX we had Microsoft, and instead of ULA we had IBM, we would be liking ULA in two decades. As much as I am confident SpaceX won't go in such direction, ULA might still become a healthy competitor and bring some good launch hardware and spacecraft one day. I hope for SpaceX to resurrect (and give birth to) the space industry, not take over it.
 
Congratulations to SpaceX for winning over this rather unfair policy. But as much as I hate ULA, let's hold our horses. If instead of SpaceX we had Microsoft, and instead of ULA we had IBM, we would be liking ULA in two decades. As much as I am confident SpaceX won't go in such direction, ULA might still become a healthy competitor and bring some good launch hardware and spacecraft one day. I hope for SpaceX to resurrect (and give birth to) the space industry, not take over it.
Yeah I get a little annoyed by that kind of shit.

The reality is Spacex got billions of dollars of funding from nasa. At the moment the government is charged about twice the amount that private satelite companies are charged.

That being said if they can make reusable launch the real problem will be finding customers.

Even if the cost to launch was free, space is still a very expensive envronment to work in.

I think asteroid mining is a much more serious usage of these launch capabilities.
 
Preparing for a third uncertain attempt to make history on Sunday, SpaceX has published an article describing their descent system and how it failed so far. Reading the article, I disagree with their own conclusion that it is uncertain if they would succeed – I think the things to go wrong have been exhausted, and we're landing.

But I also disagreed the previous two times and I was wrong.

Yet since today shows that good but hard things can happen, I am willing to be too optimistic for no reason. We're landing this time, period.
 
Entire landing video... that's some serious velocity one needs to stop in a controlled manner to land one of those stages

[yt]https://www.youtube.com/watch?v=NcTOTeoaafU[/yt]
 
The EELV lobby isn't standing still:
http://spacenews.com/lawmaker-wants-u-s-air-force-to-focus-on-new-engine-period/

...the Air Force, wary of investing in an engine that none of its certified launch service providers — currently ULA and newcomer SpaceX — wants, has proposed spending that money more broadly on launch vehicle technology

I wanted F-1 brought back for Pyrios myself.

Then too, Jeffrey Thornburg, senior director of propulsion technology at Hawthorne, California-based SpaceX, told the subcommittee the company is open to selling its Merlin engines to industry and government.

Now wouldn't that be a hoot--Atlas 5 flying Merlins/Raptors
 
I am reading that wrong, or is Elon Musk's new tweet suggesting it was the second stage that blew the whole thing up, while the first stage was flying?

"There was an overpressure event in the upper stage liquid oxygen tank. Data suggests counterintuitive cause."

That sounds weird.
 
That's what the video shows, the first stage keeps flying for almost 8 seconds after the initial failure, at which point the FTS is activated to destroy it.
 
I was watching the SpaceX stream which showed it from a different angle (I think – I might be wrong), and all I saw was one cloud of smoke that suddenly dissipated with debris flying everywhere. Some recording from NASA TV appears to show exactly what you say more clearly.

ETA: While the vehicle was on the launch pad I was wondering – what if the computer aboard the second stage goes awry and launches its engines while still on the pad? I would be so weirded out of if that turns out to be what happened...
 
Elon tweeted that there was an overpressure event in the second stage oxy tank.

Yeah. But I chose not to make assumptions on whether that's a symptom or cause for the explosion until we get further info. :) I mean, for all we know the second stage got angry that it wasn't the one going back, and thought "I think we should land together..." :p
 
Blast!

They're calling the reason counter-intuitive.
It looked more like a rupture than an explosion--lending credence to this blurb, perhaps:

http://forum.nasaspaceflight.com/index.php?topic=37476.msg1396226#msg1396226
https://twitter.com/AmericaSpace/status/615220822345674752

"2 inside sources say @SpaceX
F9 upper stage LOX tank has had liner cracking problems where the dome attaches, an issue @NASA has known about"


Links
http://up-ship.com/blog/?p=29267
http://www.space.com/29789-spacex-rocket-failure-cargo-launch.html
http://www.spacedaily.com/reports/SpaceX_rocket_explodes_after_launch_999.html
http://www.nasaspaceflight.com/2015/06/falcon-9-crs-7-dragon-commute-orbit/

Discussion http://forum.nasaspaceflight.com/index.php?topic=37476.160

In other news, ULA welcomes its latest partner, Dr. No

--What with this history: http://www.staynehoff.net/boeing-eelv-punished.htm

Musk Security Guard: So you want to see the latest Falcon launch. What were your names again? Was it Mr. Branch and Mr. Erskine?

A joke people--
 
Nothing, he has url turrets.

The upperstage is constructed using the same methods as the lower stage, so I find the comment about dome cracking highly suspect.
 
If you are not already a member then please register an account and join in the discussion!

Sign up / Register


Back
Top