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Author Topic: SpaceX News  (Read 140815 times)

RocketMan

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Re: SpaceX News
« Reply #2275 on: April 21, 2023, 09:29:22 AM »
I would bet SpaceX has more than one team of engineers madly working on modifications to whatever launch support equipment broke or was damaged.
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WLJ

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Re: SpaceX News
« Reply #2276 on: April 21, 2023, 09:35:11 AM »
I'm thinking 6 months min and further FAA review
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WLJ

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Re: SpaceX News
« Reply #2277 on: April 21, 2023, 09:44:56 AM »
Concrete slabs just aren't going to cut it.

Quote
Rapid unscheduled assembly of a flame trench.
https://www.reddit.com/r/SpaceXLounge/comments/12tg7pp/rgv_aerial_photography_reveals_more_damage_to/
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WLJ

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Re: SpaceX News
« Reply #2278 on: April 21, 2023, 09:49:03 AM »
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WLJ

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Re: SpaceX News
« Reply #2279 on: April 21, 2023, 10:00:23 AM »
Not an unsolvable problem but it was one many predicted and even with just a few raptors firing at partial power it had already revealed itself. Sorry but this one is on Elon.

Not being pessimistic, far from it, even the brightest need a reminder once in awhile they're only human. I bet he's already got teams working on the problem and on the phone ordering parts.
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RoadKingLarry

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Re: SpaceX News
« Reply #2280 on: April 21, 2023, 10:50:55 AM »
Quote from: RoadKingLarry on January 17, 2021, 09:00:43 AM
FTFY

It is my opinion that NASA will never get back to the moon. Their mission budget will be slashed during the Harris/Biden administration and their focus will likely be redirected back toward muslim outreach and social justice issues.
As for SpaceX and friends, I would be surprised if the regulatory burden isn't magnified beyond financial feasibility and they take their toys to another country.
We just can't afford to be sending all that money up in smoke going into space when there are so many social justice programs here that need the money.
 :'(

My opinion hasn't changed.
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WLJ

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Re: SpaceX News
« Reply #2281 on: April 21, 2023, 10:58:35 AM »
Sorry, I don't mean to beat a dead horse here but

Saturn V (7.7 million lbs of thrust) flame trench.



Note how the pad over the trench shields the rocket from blast.



N1 (10 million lbs of thrust) Flame trench(es). Would love to see what's underneath the rocket.



Starship (16.8 million lbs of thrust)

A concrete slab




« Last Edit: April 21, 2023, 11:29:50 AM by WLJ »
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WLJ

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Re: SpaceX News
« Reply #2282 on: April 21, 2023, 11:02:06 AM »
Seconds!

SpaceX blows up: Starship rocket dramatically explodes seconds after launch
https://www.independent.co.uk/space/starship-explosion-raptor-engine-flight-path-b2323566.html
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WLJ

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Re: SpaceX News
« Reply #2283 on: April 21, 2023, 11:11:06 AM »
Much longer camera view that includes the van getting hit. 1,100ft away from the rocket.

INCOMING!

https://twitter.com/LabPadre/status/1649053476276797440
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MechAg94

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Re: SpaceX News
« Reply #2284 on: April 21, 2023, 11:35:35 AM »
Does NASA also put a bunch of water in that trench?
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WLJ

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Re: SpaceX News
« Reply #2285 on: April 21, 2023, 11:37:34 AM »
Quote from: MechAg94 on April 21, 2023, 11:35:35 AM
Does NASA also put a bunch of water in that trench?

It's not standing water, they "spray" (need a stronger word here since it's more like waterfall) water under the engines as they are firing to dampen blast effect and the sound waves. Standing water in the trench would only deflect the sound waves back up.

In the below video imagine the pad and engines being directly over where you see the water being sprayed

 Launch Pad Water Deluge System Test at NASA Kennedy Space Center
https://www.youtube.com/watch?v=LNkmwrTjKuo

« Last Edit: April 21, 2023, 12:10:39 PM by WLJ »
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WLJ

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Re: SpaceX News
« Reply #2286 on: April 21, 2023, 11:54:03 AM »
The water you see going vertical in the above video is coming from pipes that would be connected to the pad during a launch to supply it's system
As shown in this image

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WLJ

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Re: SpaceX News
« Reply #2287 on: April 21, 2023, 12:04:31 PM »
The plumbing and parts for a water deluge system was sitting at Starbase during the launch but Elon elected to launch before it's installation. How much effect it would have had is open to debate.
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MillCreek

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Re: SpaceX News
« Reply #2288 on: April 21, 2023, 12:10:39 PM »
For the deluge system at Cape Canaveral, I always wondered if they use salt water, since an abundant supply is right there, or do they use freshwater.  I have read that 300,000 gallons or so of water is used at a typical heavy launch.  Saltwater could contribute to corrosion, but then again the launch pad is right at the ocean shoreline and the salt air is already corroding things.
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Re: SpaceX News
« Reply #2289 on: April 21, 2023, 12:16:42 PM »
My understanding is it's freshwater and in fact just ordinary tap water.
Salt water would add a whole new level of corrosion issues.
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WLJ

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Re: SpaceX News
« Reply #2290 on: April 21, 2023, 02:30:57 PM »
Cars lining up at the road block. Guess they're getting ready to go in.
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WLJ

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Re: SpaceX News
« Reply #2291 on: April 21, 2023, 02:41:25 PM »
Quote
Dr. Carsten Dierks
@carsten_dierks
·
30m
#SpaceX Starbase:

Road closure will still last until tomorrow. For debris picking. And the damaged tank farm. There are still liquid gases inside. And nobody can predict the stability of the tanks…
https://twitter.com/carsten_dierks/status/1649482178340724758
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WLJ

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Re: SpaceX News
« Reply #2292 on: April 21, 2023, 02:43:30 PM »
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MillCreek

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Re: SpaceX News
« Reply #2293 on: April 21, 2023, 02:51:06 PM »
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WLJ

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Re: SpaceX News
« Reply #2294 on: April 21, 2023, 02:56:20 PM »
Anyone care to guess how deep that hole is?
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WLJ

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Re: SpaceX News
« Reply #2295 on: April 21, 2023, 03:28:39 PM »
Here's Scott Manley

Not much new here but some info about the engine exhaust color.
I noticed it too but figure if it was an issue someone would mention it.

SpaceX's Massive Rocket Explodes Due to Rapid Unscheduled Digging
https://www.youtube.com/watch?v=w8q24QLXixo
« Last Edit: April 21, 2023, 06:11:28 PM by WLJ »
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WLJ

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Re: SpaceX News
« Reply #2296 on: April 21, 2023, 03:35:30 PM »
Probably why the road is still closed.

Screen shot from a live feed.

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WLJ

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Re: SpaceX News
« Reply #2297 on: April 21, 2023, 03:47:29 PM »

OLM still puffing.
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WLJ

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Re: SpaceX News
« Reply #2298 on: April 21, 2023, 04:15:09 PM »
Quote
Michael Baylor
@nextspaceflight
Live at 4 pm Central with a post-flight reaction and an update on the van. 😅
https://twitter.com/nextspaceflight/status/1649498499195588611

Direct link
https://www.youtube.com/watch?v=omouxjzI17U

Quote
CadmonkeyFPV
@CadmonkeyFPV
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If you can find the offending chunk of debris that sucker punched the van you should auction it off LOL

 :rofl:

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WLJ

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Re: SpaceX News
« Reply #2299 on: April 21, 2023, 04:27:06 PM »
Looks like they had a better view from the Mexican side of the border

https://twitter.com/i/status/1649132074261966854
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