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#100
by
mvpel
on 11 Oct, 2017 23:04
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Must have roasted the video downlink! Maybe that's what one of those sparks flying was. Wow! I can't wait to see what it looks like in daylight.
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#101
by
gideonlow
on 11 Oct, 2017 23:05
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Wow, I thought that SpaceX had overcooked that one. But yet another great landing.
White-hot/glowing Grid Fins right when the video cut out! Another perfect landing. Great job SpaceX!!!
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#102
by
Jdeshetler
on 11 Oct, 2017 23:05
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Just like Ironman Movie without CGI......
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#103
by
jimbowman
on 11 Oct, 2017 23:06
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Was it just because it was dark out the heat on the grin fins was more visible? Was the Iridium launch using titanium?
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#104
by
clegg78
on 11 Oct, 2017 23:06
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Must have roasted the video downlink! Maybe that's what one of those sparks flying was. Wow! I can't wait to see what it looks like in daylight.
Could also be the amount of plasma that was wrapping around the stage probably caused the dropout... I am impressed the hardware on the bottom of the stage handled that... I wonder if they were doing some kind of different entry profile to test the edge scenarios of what these stages can handle in the build up to the Block 5? That definitely looked different than past high energy entries.
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#105
by
Pete
on 11 Oct, 2017 23:08
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I have the vague feeling that those gridfins are NOT going to be reusable!
That was the hottest entry I've seen yet.
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#106
by
FutureSpaceTourist
on 11 Oct, 2017 23:09
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This mark's the first time two 1st stage Falcon's are on barges out on the ocean at the same time.
I think it’s the second time - there was BulgariaSat-1 and Iridium 2 in late June, also only 2 days apart.
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#107
by
andrewsdanj
on 11 Oct, 2017 23:09
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Holy glowing gridfins, batman! Sheesh that looked toasty.
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#108
by
catdlr
on 11 Oct, 2017 23:09
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This mark's the first time two 1st stage Falcon's are on barges out on the ocean at the same time.
I think it’s the second time - there was BulgariaSat-1 and Iridium 2 in late June, also only 2 days apart.
Ah, yes, thanks, FutureSpaceTourist.
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#109
by
mvpel
on 11 Oct, 2017 23:10
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Could also be the amount of plasma that was wrapping around the stage probably caused the dropout... I am impressed the hardware on the bottom of the stage handled that... I wonder if they were doing some kind of different entry profile to test the edge scenarios of what these stages can handle in the build up to the Block 5? That definitely looked different than past high energy entries.
I was thinking the same thing about the plasma, but then got worried when it didn't pick up again. Held my breath until I started hearing the descent callouts.
I was really amazed to see that it was showing 6,000 km/h when the entry burn ended, is that a record?
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#110
by
Bargemanos
on 11 Oct, 2017 23:11
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Wow, thought this one was lost.
Glad it landed..
One for the "i love space(x) and have no life books" (take no offend, i don't)wife))
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#111
by
ehb
on 11 Oct, 2017 23:12
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Was it just because it was dark out the heat on the grin fins was more visible? Was the Iridium launch using titanium?
Iridium was also aluminum
Was stated during the launch webcast due to lower energy trajectory.
This SES-11 was obviously not a lower energy trajectory, so we can assume they are using (or rather burning) up their stock of aluminum ones.
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#112
by
HVM
on 11 Oct, 2017 23:12
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Yeah, those gridfins were bright as f@*k! And visible plasma.
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#113
by
clegg78
on 11 Oct, 2017 23:13
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I was thinking the same thing about the plasma, but then got worried when it didn't pick up again. Held my breath until I started hearing the descent callouts.
I was really amazed to see that it was showing 6,000 km/h when the entry burn ended, is that a record?
I am sure some of the spacex stats geeks around here will have that info soon! But yeah 6000 seems pretty quick. Also since they arent doing 3 engine landing burn attempts anymore (for now) They could be hunting for ways to trim down on the entry burn requirements by seeing how little they need to slow the stage down
"This one wasnt burned up that badly? Hmmm, cut the burn off another 2 seconds early and see what happens! Its just a block 3!"
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#114
by
gideonlow
on 11 Oct, 2017 23:13
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Must have roasted the video downlink! Maybe that's what one of those sparks flying was. Wow! I can't wait to see what it looks like in daylight.
Could also be the amount of plasma that was wrapping around the stage probably caused the dropout... I am impressed the hardware on the bottom of the stage handled that... I wonder if they were doing some kind of different entry profile to test the edge scenarios of what these stages can handle in the build up to the Block 5? That definitely looked different than past high energy entries.
The heating also seemed asymmetric, with the right-hand fin heating first. I haven't seen this level of detail in a GTO/ASDS launch/landing before, so maybe that wasn't new, but I think you're on to something.
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#115
by
Rebel44
on 11 Oct, 2017 23:15
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Could also be the amount of plasma that was wrapping around the stage probably caused the dropout... I am impressed the hardware on the bottom of the stage handled that... I wonder if they were doing some kind of different entry profile to test the edge scenarios of what these stages can handle in the build up to the Block 5? That definitely looked different than past high energy entries.
I was thinking the same thing about the plasma, but then got worried when it didn't pick up again. Held my breath until I started hearing the descent callouts.
I was really amazed to see that it was showing 6,000 km/h when the entry burn ended, is that a record?
During BulgariaSat-1 launch 1st stage was traveling at 6600km/h hen the entry burn ended.
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#116
by
ulm_atms
on 11 Oct, 2017 23:15
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Ready for a scary thought....BulgariaSat-1 was going ~600km/h faster at the end of the entry burn then this one!!
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#117
by
Bargemanos
on 11 Oct, 2017 23:16
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Correct me if i'm wrong but the deployment of the fins was rather early not?
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#118
by
HankinNM
on 11 Oct, 2017 23:16
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Did anyone have the audio on the livestream go out for a few minutes?
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#119
by
Galactic Penguin SST
on 11 Oct, 2017 23:17
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It seems that telemetry (not just video) from the 1st stage was lost towards the end of the entry burn (?) and those monitoring had to use external sources to keep track of it (??).
Had that happened before AFTS on that stage had been safe, would it blew the stage up?
"This one wasnt burned up that badly? Hmmm, cut the burn off another 2 seconds early and see what happens! Its just a block 3!"
