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#81 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#82 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#83 |
Graduate Poster
Join Date: Dec 2012
Posts: 1,576
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I am unaware about any existing SSTO that can orbit anything, let alone two astronauts.
One hint: being on certain height (for a moment) is not same thing as orbiting on same height. In first case, gravity will inevitably drag them down. In second case, gravity will try that too, but these guys will miss Earth, quite literally. To pull it off, quite a lot of sideways speed is required. |
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Sanity is overrated. / Voting for Republicans is morally equivalent to voting for Nazis in early 30's. |
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#84 |
Penultimate Amazing
Join Date: Nov 2003
Location: Port Townsend, Washington
Posts: 38,281
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Cum catapultae proscribeantur tum soli proscripti catapultas habeant. |
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#85 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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OK, let me drop a clue or two
There were six of these SSTO vehicles that each successfully took two astronauts to orbit along with some additional payload, over a period of just over 3 years.... its never been done again. ETA: C'mon guys, think outside the square |
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#86 |
Penultimate Amazing
Join Date: Nov 2003
Location: Port Townsend, Washington
Posts: 38,281
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Cum catapultae proscribeantur tum soli proscripti catapultas habeant. |
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#87 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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Yes, it does
Wikipedia: A single-stage-to-orbit (or SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines, or other major hardware https://en.wikipedia.org/wiki/Single-stage-to-orbit The Free Dictionary: A single-stage-to-orbit (or SSTO) vehicle reaches orbit from the surface of a body without jettisoning hardware, expending only propellants and fluids. https://encyclopedia.thefreedictiona...Stage-to-Orbit Aviation Dictionary: A single stage to orbit (or SSTO) vehicle reaches orbit from the surface of a body without jettisoning hardware, expending only propellants and fluids http://aviation_dictionary.enacademi...pheric_vehicle Explosive Rail Launch by Royce Jones on Academia.edu Single-stage to orbit — A single-stage-to-orbit (or SSTO) vehicle reaches orbit from the surface of a body without jettisoning hardware https://www.academia.edu/26747819/Explosive_Rail_Launch The Moon is "a body" so that makes the ascent stage of the LM an SSTO. Even the Russian "Luna" and the Chinese "Chang-e5 sample return missions used SSTO vehicles. Even NASA does not limit the term SSTO to earth orbit "PROPOSAL NUMBER: 09-2 S3.08-8305 PHASE 1 CONTRACT NUMBER: NNX10CC61P SUBTOPIC TITLE: Planetary Ascent Vehicles PROPOSAL TITLE: NOFBX Single-Stage-to-Orbit Mars Ascent Vehicle Engine https://sbir.nasa.gov/SBIR/abstracts...3.08-8305.html MAVs to be used to bring astronauts back from Mars will be SSTO's because Mars' gravity is low enough to allow it, and because it is by far the simplest, most cost effective engineering solution |
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#88 |
Graduate Poster
Join Date: Dec 2012
Posts: 1,576
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Sanity is overrated. / Voting for Republicans is morally equivalent to voting for Nazis in early 30's. |
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#89 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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__________________
Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#90 |
Penultimate Amazing
Join Date: Sep 2011
Location: The great American West
Posts: 23,982
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#91 |
Master Poster
Join Date: Sep 2004
Location: USA
Posts: 2,783
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#92 |
Graduate Poster
Join Date: Apr 2020
Location: USA
Posts: 1,279
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#93 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#94 |
Director of Hatcheries and Conditioning
Join Date: Jul 2002
Location: Waiting for the pod bay door to open.
Posts: 46,005
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Continually pushing the boundaries of mediocrity. Everything is possible, but not everything is probable. “Perception is real, but the truth is not.” - Imelda Marcos |
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#96 | |||
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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Starship Skip
About 30 minutes ago (22:09 GMT), SN-9 was test-fired on the pad at SpaceX Boca Chica Launch Facility. Live feed:
The dinged fin has been panel-beaten back into shape and the seams welded up nicely. There is a NOTAM (NOTice to AirMen, basically an air space restriction) in place for the 8th through to the 11th, suggesting an attempt to launch SN-9 as early as this Friday. I don't think anything is set in stone yet, or if it is I haven't been able to find it. But the conventional wisdom is that this will be pretty-much a repeat of the SN-8 flight with aspirations to stick the landing this time. SN-10 and SN-11 are both in the assembly bay at the moment so again, there will likely be a quick turnaround regardless of the outcome of the SN-9 flight. |
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#97 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#98 |
Director of Hatcheries and Conditioning
Join Date: Jul 2002
Location: Waiting for the pod bay door to open.
Posts: 46,005
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The genius of using stainless steel. Got a problem with that panel? Hey, get the panel beaters out here and bash it back into shape.
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Continually pushing the boundaries of mediocrity. Everything is possible, but not everything is probable. “Perception is real, but the truth is not.” - Imelda Marcos |
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#99 |
Observer of Phenomena
Pronouns: he/him Join Date: Feb 2005
Location: Ngunnawal Country
Posts: 85,474
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The first time you'll see someone banging a rocket with a hammer, but probably not the last.
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A million people can call the mountains a fiction Yet it need not trouble you as you stand atop them https://xkcd.com/154/ |
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#100 |
Penultimate Amazing
Join Date: Nov 2003
Location: Port Townsend, Washington
Posts: 38,281
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No static fire today due to an overturned concrete truck in one direction and a beached fishing vessel in the other!
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Cum catapultae proscribeantur tum soli proscripti catapultas habeant. |
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#101 |
Philosopher
Join Date: Sep 2011
Location: UK
Posts: 6,101
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So SN-09 should be carrying out its hop in the next couple of days, could be today if the wind drops:
https://www.youtube.com/watch?v=NtGutb1R5cQ |
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#102 |
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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There have been a few static fires and it seems some problems with fuel pressures but it seems they are ready to try again. Today for the next 5 hours, or the next 2 days if things don't go well today.
Edit - scrubbed for today because of high winds. |
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#103 |
Penultimate Amazing
Join Date: Jun 2003
Posts: 55,297
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__________________
"As long as it is admitted that the law may be diverted from its true purpose -- that it may violate property instead of protecting it -- then everyone will want to participate in making the law, either to protect himself against plunder or to use it for plunder. Political questions will always be prejudicial, dominant, and all-absorbing. There will be fighting at the door of the Legislative Palace, and the struggle within will be no less furious." - Bastiat, The Law |
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#104 |
Illuminator
Join Date: Oct 2011
Location: Hull
Posts: 3,164
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So how long before they can recreate the Bird1 scene in You Only Live Twice?
https://www.youtube.com/watch?v=_qixtjMoMUA |
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"To vowels. They stop consonants sticking together like boiled sweets in a paper bag." |
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#105 |
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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Elon has tweeted that they are hoping for FAA approval for a flight tomorrow. Soviet capsule capture yet to be determined.
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#106 |
Philosopher
Join Date: Jul 2011
Location: Colorado
Posts: 5,591
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I guess there will be no launch for today, still some issues with federal permits.
But while waiting to get permits to launch SN9 they put SN10 on the pad today. Two of them side by side, looks pretty cool. SpaceX Nerdlecam (Youtube link but I can't get the normal YT embed thing to work, maybe because it is a live cam) |
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#107 |
Director of Hatcheries and Conditioning
Join Date: Jul 2002
Location: Waiting for the pod bay door to open.
Posts: 46,005
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Rumour that the FAA is not happy with the SN8 flight. Elon didn't let on about all the risks involved or something.
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Continually pushing the boundaries of mediocrity. Everything is possible, but not everything is probable. “Perception is real, but the truth is not.” - Imelda Marcos |
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#108 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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There was an engine change. FAA didn't like it because engine changes have to have special safety checks and protocols (or something, don't ask me the details). Seems a bit strange to me - an engine is an engine. Airline change engines on aircraft all the time, and it doesn't seem to attract a lot of attention.
I think the FAA are poorly equipped to deal with all this. Between SpaceX, ULA, Virgin and Orbital ATK (now Northrop-Grumman) and with Blue Origin soon to join, and Rocketlab opening their new launch facility at Wallops, there could be upwards of 50 launches per year. The FAA's space division are just not set up deal with the launch cadence of modern rocketry. |
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#109 |
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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There has been a few days of will-they-won't-they, but it looks like Elon and the FAA have sorted out their differences and there might even be an attempt at a flight today! Since last Thursday there has been no TFR (Temporary Flight Restriction) granted, but today there is. Most importantly, SN9's flaps have finally been extended!
I prefer the LabPadre feed of the launch pad because there is little-to-no talking going on, but the pictures and text are all that is needed to be known. At the moment, there is a lovely view of SN9 and SN10 next to each other as SN9 is prepared for launch. https://www.youtube.com/watch?v=Ky5l9ZxsG9M |
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#111 |
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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Spoiler alert - all did not go to plan
I only saw 1 engine relight on the way down, with a touchdown slightly less controlled than SN8, and a similar result. Once again, great explosion and good telemetry. Hope SN10 wasn't damaged and they can light that one soon. |
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#112 |
Penultimate Amazing
Join Date: Nov 2003
Location: Port Townsend, Washington
Posts: 38,281
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Didn't actually get as close to landing as 8, I'd say. But otherwise looked very good. After the RUD there was a shot of a bit of light debris fluttering down the side of Ten. Probably wouldn't be damaging.
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#113 |
Penultimate Amazing
Join Date: Oct 2012
Location: Nelson, New Zealand
Posts: 24,829
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LITHOBRAKING!!!!
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Those who claim that something can't be done need to stop getting in the way of those who are actually doing it! - Anonymous Its TRE45ON season... convict the F45CIST!! |
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#114 |
Penultimate Amazing
Join Date: Jun 2003
Posts: 55,297
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__________________
"As long as it is admitted that the law may be diverted from its true purpose -- that it may violate property instead of protecting it -- then everyone will want to participate in making the law, either to protect himself against plunder or to use it for plunder. Political questions will always be prejudicial, dominant, and all-absorbing. There will be fighting at the door of the Legislative Palace, and the struggle within will be no less furious." - Bastiat, The Law |
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#115 |
Observer of Phenomena
Pronouns: he/him Join Date: Feb 2005
Location: Ngunnawal Country
Posts: 85,474
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Was this another "seven out of eight criteria for success were met" situation?
I'll catch up with Scott Manley tonight, undoubtedly. |
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A million people can call the mountains a fiction Yet it need not trouble you as you stand atop them https://xkcd.com/154/ |
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#117 |
Director of Hatcheries and Conditioning
Join Date: Jul 2002
Location: Waiting for the pod bay door to open.
Posts: 46,005
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According to Benny Hill, you make an ass out of you and me.
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__________________
Continually pushing the boundaries of mediocrity. Everything is possible, but not everything is probable. “Perception is real, but the truth is not.” - Imelda Marcos |
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#118 |
Mr. Parodied
Join Date: Feb 2006
Location: Between the Sun and the Stars
Posts: 2,572
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SN 10 has had one aborted attempt but is trying again within the hour. Bets on the outcome? More RUD, or great success?
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Now that is Scientific Fact. There's no real evidence for it, but it is Scientific Fact. -'Dr' Neil Fox, speaking on brasseye Used to have another username, but I hated it. |
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#119 |
Philosopher
Join Date: Jul 2011
Location: Colorado
Posts: 5,591
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Well, it (SN10) went up, came down and landed.
It did Seems like the landing legs didn't deploy, it is leaning and looks to be a little bit on fire. Sometimes those revolutionary things come in incremental steps. This counts. ETA: I posted too soon. It just blew up, a few minutes after landing. Had to edit the post with a bit of selective strikethrough. |
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#120 |
Penultimate Amazing
Join Date: Nov 2003
Location: Port Townsend, Washington
Posts: 38,281
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How many tries was it before an F9 landed successfully and safely? More than three, IIRC.
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