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SN10 Launch Attempt Today - 3/3/2021 4:09:25 PM   
Lobster


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And landing attempt. Maybe this one will land in a non violent nature.
https://www.youtube.com/watch?v=sTA0GTgFn5E
I guess it's kinda like lawn darts. Throw it up in the air and hope it lands how you planned.

< Message edited by Lobster -- 3/3/2021 4:16:14 PM >


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RE: SN10 Launch Attempt Today - 3/3/2021 9:28:58 PM   
Lobster


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First attempt was aborted when a raptor engine became 'unbalanced'. Going for a second try now.
https://www.youtube.com/watch?v=7Smrw-BYe1I

< Message edited by Lobster -- 3/3/2021 9:30:47 PM >


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RE: SN10 Launch Attempt Today - 3/3/2021 10:11:06 PM   
Grognerd_INC


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T-minus 3:26 seconds


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RE: SN10 Launch Attempt Today - 3/3/2021 10:25:04 PM   
Lobster


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OMG...there is nothing more amazing than to see a 130 foot tall 30 foot diameter rocket land. On the ground. With no parachutes. Something only read about in science fiction books. Amazing. Simply amazing.

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RE: SN10 Launch Attempt Today - 3/3/2021 10:25:33 PM   
Grognerd_INC


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Wow it landed, it's leaning though, a bit of a fire. Not a complete success but much better than the last 2.
Oops it just blew up!

< Message edited by Grognerd_INC -- 3/3/2021 10:30:50 PM >


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RE: SN10 Launch Attempt Today - 3/3/2021 10:44:49 PM   
RFalvo69


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Ouch...

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RE: SN10 Launch Attempt Today - 3/3/2021 10:51:08 PM   
OldSarge


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Looks like they've figured out and fixed the issue with the landing controls, now a new problem. Oh well, that is the whole point of testing anyway.


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RE: SN10 Launch Attempt Today - 3/3/2021 10:51:10 PM   
Lobster


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quote:

ORIGINAL: Grognerd_INC

Wow it landed, it's leaning though, a bit of a fire. Not a complete success but much better than the last 2.
Oops it just blew up!


Yeah. One of the three raptors had a problem and they swapped it out. Then when the rocket was ascending you could see a jet of flame off to the side of the raptors. Likely someone screwed up when they swapped out the engine. So when it landed the orange flame was readily apparent to the side of the engines. And boom. That's what prototypes are for. But they got the landing right this time. Still a few prototypes to burn through. I want to see one go into orbit and then land safely.

Watching that huge thing land was very cool.

< Message edited by Lobster -- 3/3/2021 10:52:03 PM >


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RE: SN10 Launch Attempt Today - 3/3/2021 11:38:24 PM   
Grognerd_INC


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Yes it was amazing to see!

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RE: SN10 Launch Attempt Today - 3/4/2021 12:18:58 AM   
Curtis Lemay


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Why wouldn't a parachute splashdown work better? Doesn't the fuel for this displace a bunch of payload?

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RE: SN10 Launch Attempt Today - 3/4/2021 4:54:24 AM   
Rebel Yell


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Probably far less cost effective with flotation devices, recovery vessels and crew, etc.

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RE: SN10 Launch Attempt Today - 3/4/2021 8:42:46 AM   
Grognerd_INC


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I think it about re-usability - Sea water landing pose a lot of issues to turn around a vehicle.

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RE: SN10 Launch Attempt Today - 3/4/2021 11:06:37 AM   
Lobster


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The tin cans they started designing in the late 1950s are one use disposable. Not a space ship. Hardly a satellite. The Shuttle was just that. A shuttle like a taxi. NASA is still stuck in the tin can throw it all out when it's used stage. It's like building an F-35 and throwing it away after you fly it once. Why not build stuff you can use again and again? A real space ship. Yeah stuff will blow up and there will be failures. Sooner or later people will die. Lots of failures and deaths making powered flight a thing. This is no different.

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RE: SN10 Launch Attempt Today - 3/4/2021 1:09:42 PM   
Neilster


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quote:

ORIGINAL: Curtis Lemay

Why wouldn't a parachute splashdown work better? Doesn't the fuel for this displace a bunch of payload?

Starship is being designed to land on the Moon and Mars (as well as Earth), where there is a distinct lack of large bodies of water. Also, as has been mentioned, seawater causes lots of problems and there's the expense of ocean recovery.

Above a certain mass, parachutes become less efficient than propulsive landing. They are bulky and quite heavy and are dead weight, whereas the engines are not. SpaceX analysed all this stuff to death.


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RE: SN10 Launch Attempt Today - 3/4/2021 1:25:39 PM   
LiamAllan

 

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It's awesome! I would like to see it with my own eyes! T.T

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RE: SN10 Launch Attempt Today - 3/4/2021 3:55:37 PM   
z1812


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quote:

ORIGINAL: Neilster


quote:

ORIGINAL: Curtis Lemay

Why wouldn't a parachute splashdown work better? Doesn't the fuel for this displace a bunch of payload?

Starship is being designed to land on the Moon and Mars (as well as Earth), where there is a distinct lack of large bodies of water. Also, as has been mentioned, seawater causes lots of problems and there's the expense of ocean recovery.

Above a certain mass, parachutes become less efficient than propulsive landing. They are bulky and quite heavy and are dead weight, whereas the engines are not. SpaceX analysed all this stuff to death.



Exactly!! Future generations may come to regard Musk in the way that we regard Da Vinci. If you look at the other technologies he is developing, such as neural link, it all points to eventual deep space travel.

Climate change repercussions, the threat of nuclear war, possible overpopulation issues, could make getting off this planet essential to survival. Sounds like science fiction..............so did traveling to the moon...until it was done!

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RE: SN10 Launch Attempt Today - 3/4/2021 4:40:54 PM   
RangerJoe


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Yes, the world may just become one completely covered in glaciers.

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RE: SN10 Launch Attempt Today - 3/4/2021 5:02:53 PM   
Lobster


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quote:

ORIGINAL: Neilster


quote:

ORIGINAL: Curtis Lemay

Why wouldn't a parachute splashdown work better? Doesn't the fuel for this displace a bunch of payload?

Starship is being designed to land on the Moon and Mars (as well as Earth), where there is a distinct lack of large bodies of water. Also, as has been mentioned, seawater causes lots of problems and there's the expense of ocean recovery.

Above a certain mass, parachutes become less efficient than propulsive landing. They are bulky and quite heavy and are dead weight, whereas the engines are not. SpaceX analysed all this stuff to death.



SLS lifts a capsule. Starship configuration lifts a ship. The bottom line is what matters.
https://everydayastronaut.com/sls-vs-starship/




Attachment (1)

< Message edited by Lobster -- 3/4/2021 5:04:25 PM >


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RE: SN10 Launch Attempt Today - 3/4/2021 6:11:10 PM   
OldSarge


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It took some trial and error, but SpaceX finally nailed the return of the Falcon boosters. In fact, half the fun of watching their launches now is watching the booster return home. Now, if they can figure out how to recover the Merlin Vac engine they'll have nailed the re-usability factor of for Falcon launches.

Falcon Heavy lands all three boosters

Falcon booster returns home from it's 8th mission

It just doesn't get old.

< Message edited by OldSarge -- 3/4/2021 6:40:02 PM >


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RE: SN10 Launch Attempt Today - 3/4/2021 7:00:47 PM   
Grognerd_INC


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We always watch when we can, we hear the sonic boom quite well when the booster comes in for a landing!

< Message edited by Grognerd_INC -- 3/4/2021 8:07:17 PM >


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RE: SN10 Launch Attempt Today - 3/5/2021 4:50:33 AM   
Neilster


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quote:

It took some trial and error, but SpaceX finally nailed the return of the Falcon boosters. In fact, half the fun of watching their launches now is watching the booster return home. Now, if they can figure out how to recover the Merlin Vac engine they'll have nailed the re-usability factor of for Falcon launches.


That probably won't happen. By far the majority of the cost of the stack is the first stage and recovering the second stage doesn't look economically viable. They re-enter a very long way downrange at near orbital velocity. The heat shielding and strengthening required add too much mass. They're recovering the fairings, which are expensive, and that's about the best they can do for the second stage.


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RE: SN10 Launch Attempt Today - 3/5/2021 8:53:03 PM   
OldSarge


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quote:

ORIGINAL: Neilster

quote:

It took some trial and error, but SpaceX finally nailed the return of the Falcon boosters. In fact, half the fun of watching their launches now is watching the booster return home. Now, if they can figure out how to recover the Merlin Vac engine they'll have nailed the re-usability factor of for Falcon launches.


That probably won't happen. By far the majority of the cost of the stack is the first stage and recovering the second stage doesn't look economically viable. They re-enter a very long way downrange at near orbital velocity. The heat shielding and strengthening required add too much mass. They're recovering the fairings, which are expensive, and that's about the best they can do for the second stage.



Yes, that is/was the problem facing the team. Though as late as 2018 Musk was still actively talking about trying to find a way of recovering the second stage. It may have been him simply musing out loud over something more aspirational than practical.

It would've been cool to have seen if they could figure out a way to make it work. Even more interesting would've been the how, would a parashield work or Elon's 'Giant Party balloon'. We'll never know as the team was re-prioritized that year to focus on Starship,

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RE: SN10 Launch Attempt Today - 5/8/2021 12:08:36 PM   
Lobster


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Well SpaceX finally stuck a landing. Not sure if anyone was paying attention. Was another cloudy day so not much to see. A take off and a landing. Still had a fire to contend with but got it extinguished. The days of launching people in tin cans and calling them space ships may be coming to an end.

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RE: SN10 Launch Attempt Today - 5/8/2021 1:33:32 PM   
Grognerd_INC


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I was paying attention, I was mildly surprised too.
I respect Elon and the team for doing what they have done to date with all their launch vehicles.

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RE: SN10 Launch Attempt Today - 5/8/2021 2:42:41 PM   
OldSarge


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SpaceX was streaming the launch. I'm really glad to see them nail the landing and am looking forward to the next steps in the development progress for Starship. It is almost like the old SF illustrations depicting an entire ship landing and taking off are coming closer to reality.

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RE: SN10 Launch Attempt Today - 5/8/2021 3:17:34 PM   
Lobster


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Here's a nice video of past advances and future plans. https://www.youtube.com/watch?v=1fxaAENrZYw

I read that there have been feelers for putting the launch site on the island of Bali...er...Biak . That would be sad. I suspect the FAA has been motivation for taking it out of the U.S.
https://investvine.com/indonesia-invites-elon-musk-to-built-rocket-launch-stations-for-spacex/

< Message edited by Lobster -- 5/8/2021 3:23:48 PM >


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RE: SN10 Launch Attempt Today - 5/8/2021 5:27:25 PM   
OldSarge


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It is probably a good idea for future large payloads given its proximity to the equator. The remoteness of the site would probably be useful for testing as well, in the event of any rapid unplanned dis-assemblies that might occur.

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RE: SN10 Launch Attempt Today - 5/8/2021 7:40:27 PM   
Grognerd_INC


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Might be a bit of a pain to barge all that hardware across the pacific ocean. Boosters, payloads, fairings, upper stages - IDK that's a long drive from the manufacturing base.

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RE: SN10 Launch Attempt Today - 5/8/2021 7:54:18 PM   
RangerJoe


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Use someplace in the Andes . . .

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