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#360
by
Herb Schaltegger
on 31 Aug, 2020 00:04
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Was that a fairing half and parachute opening just to the left of the grid fin in the video at T+4:25?
No
At 4:25 the first stage has conducted it's boostback burn and is far from the ballistic trajectory of the fairing halves, which were pushed further downtrack by over a minute of the second stage burn.
edit: typo and added a few words
I am aware of that. The fairings should be way in front of the first stage. But I've watched it several times and it sure looks to me a lot like a parafoil opening with something hanging underneath it. Amazing coincidence?
It's physically impossible for the shape you see to match the description you assign to it. It's a curve of high altitude clouds and the changing angle of the viewpoint and sunlight creating an illusion.
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#361
by
Steven Pietrobon
on 31 Aug, 2020 00:09
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T+50 minutes. Over the Indian Ocean.
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#362
by
AncientU
on 31 Aug, 2020 00:11
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After the boostback burn, the perspective of the 1st stage camera that looks past the grid fins would be toward the departing second stage, and thus the fairings would be potentially in view. Fairly sure that is what we saw.
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#363
by
FlattestEarth
on 31 Aug, 2020 00:11
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Was that a fairing half and parachute opening just to the left of the grid fin in the video at T+4:25?
No
At 4:25 the first stage has conducted it's boostback burn and is far from the ballistic trajectory of the fairing halves, which were pushed further downtrack by over a minute of the second stage burn.
edit: typo and added a few words
I am aware of that. The fairings should be way in front of the first stage. But I've watched it several times and it sure looks to me a lot like a parafoil opening with something hanging underneath it. Amazing coincidence?
It is just a piece of the the very common ring of ice that forms around the grid fin attachment points and makes an appearance in pretty much every webcast.
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#364
by
Steven Pietrobon
on 31 Aug, 2020 00:16
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#365
by
Steven Pietrobon
on 31 Aug, 2020 00:17
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Engine and satellite views.
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#366
by
Steven Pietrobon
on 31 Aug, 2020 00:19
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One minute to GNOMES 1 separation.
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#367
by
Steven Pietrobon
on 31 Aug, 2020 00:21
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Confirmation of GNOMES 1 separation. Out of view.
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#368
by
Steven Pietrobon
on 31 Aug, 2020 00:22
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Confirmation of Tyvak-0172 separation. SpaceX did not show the actual separation, but we can see the door open on the cubesat container.
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#369
by
AC in NC
on 31 Aug, 2020 00:22
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After the boostback burn, the perspective of the 1st stage camera that looks past the grid fins would be toward the departing second stage, and thus the fairings would be potentially in view. Fairly sure that is what we saw.
Impossible. The S2 travelled how many miles downrange before the fairings deployed? The S1 boosted back how many miles and how much altitude change? The fairings fall how far and for how many minutes beyond the 4:xx mark to the lower atmosphere before the parachutes deploy.
It was clouds way down below and the alleged "parachute" was the spinning ice ring-bit.
Edit to Add: The Fairings deployed at 3m47s at 183km and would need to do some serious speed-records to get into the S1 camera view in 34 seconds.
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#370
by
Chris Bergin
on 31 Aug, 2020 00:22
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#371
by
Steven Pietrobon
on 31 Aug, 2020 00:23
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End of webcast.
Congratulations to SpaceX, CONAE, Tyvak and PlanetiQ for the successful launch!
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#372
by
ZachS09
on 31 Aug, 2020 00:24
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I hope that brief LOS before Tvyak separation wasn’t intentional.
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#373
by
Alexphysics
on 31 Aug, 2020 00:36
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After the boostback burn, the perspective of the 1st stage camera that looks past the grid fins would be toward the departing second stage, and thus the fairings would be potentially in view. Fairly sure that is what we saw.
There is in no way shape or form that you can:
1. See the deployed fairings from the booster at any point in time unless things go rrrrreally wrong
2. To even see the fairings with parafoil deployed when the booster hadn't even reentered yet
Also, shortly after boostback burn the first stage rotates to engines first and you're actually starting to look down on Earth on that shot not up and away to the second stage trajectory.
It's ice. There are half a dozen vents on the interstage from the MVac and other associated system. What would actually be weird is if we didn't see anything AT ALL coming off from there.
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#374
by
DAZ
on 31 Aug, 2020 00:38
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I don’t know if this is the correct thread but it does pertain to this thread.
Did anybody notice the following?
Before the launch 1 (I believe it is the more northern antenna) of the 2 tracking antennas in Boca Chica was pointed what looked to be due east, toward Florida. The 2nd antenna (the more southern of the 2) was at Nader zenith.
This changed shortly before launch. The northern antenna went to Nader zenith and the southern antenna was now pointed east. At launch, the southern antenna appeared to track an object traveling south on the horizon. At about this time there was a call out for Texas acquisition of signal. The antenna appeared to track until it was west of due south. The antenna paused for a considerable amount of time then changed its orientation as if to pick up tracking and object east of due north. It now appears to be tracking an object on the horizon traveling south.
[zubenelgenubi: edited nadir to zenith. Ralph Nader is the author of "Unsafe at Any Speed."]
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#375
by
gongora
on 31 Aug, 2020 00:50
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I hope that brief LOS before Tvyak separation wasn’t intentional.
It was obviously intentional
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#376
by
gongora
on 31 Aug, 2020 00:51
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Object 2020-059A (SAOCOM 1B) in 620x603km, 97.87deg orbit
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#377
by
DAZ
on 31 Aug, 2020 00:59
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I'm sorry it appears I need to apologize. The term I should've used with Zenith instead of Nader.
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#378
by
Lars-J
on 31 Aug, 2020 01:12
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Congrats to everyone involved - that was an interesting trajectory.
It passed right over the Miami coast, which at first seemed dangerous, but then I realized that the vehicle was executing a turn, so the estimated impact point was always quite a bit out to sea.
Another neat thing - seeing the 1st stage land in front of the Blue Origin launch pad infrastructure certainly makes the size of that infrastructure apparent... It is massive.
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#379
by
Lars-J
on 31 Aug, 2020 01:30
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