Author Topic: SpaceX Falcon 9 : SAOCOM 1B : Cape Canaveral : August 30, 2020 (23:19 UTC)  (Read 200281 times)

Online Chris Bergin

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Online Chris Bergin

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Online Steven Pietrobon

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T+15 minutes. Taking a break until next Tyvak and Gnomes speration.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline xyv

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Finally!  This was supposed to be the Lollapalooza of launches this last 4 days.  5 launches and a hop.  The last possible one finally happened...and the weather window only opened up 4 minutes before the attempt.  We really need to figure out how to launch in wind...

eta: whoops...forgot the Kiwis haven't missed their shot yet.  For some reason I thought all of the others had pushed windows or had aborts.
« Last Edit: 08/31/2020 12:07 am by xyv »

Online Steven Pietrobon

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T+20 minutes. Good solar array deploy.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline jabe

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not sure if i should ask it here..what was the spinny thing at T+4:06 mark in 1st stage camera angle?

Online Steven Pietrobon

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Sunset on B1059.4.

LOS Peru expected.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline mlindner

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not sure if i should ask it here..what was the spinny thing at T+4:06 mark in 1st stage camera angle?

Ice or frozen oxygen. They form on the vents and break off from time to time.
LEO is the ocean, not an island (let alone a continent). We create cruise liners to ride the oceans, not artificial islands in the middle of them. We need a physical place, which has physical resources, to make our future out there.

Offline AstroBrewer

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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? 

Offline wannamoonbase

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https://twitter.com/NASASpaceflight/status/1300214478248833028



That seemed like a very long landing burn.  I was paranoid that something was wrong. 

Incredible flight, love seeing the ground track.
Starship, Vulcan and Ariane 6 have all reached orbit.  New Glenn, well we are waiting!

Offline AstroBrewer

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Here:

Offline aviators99

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Ground track complete hugs the coastline of Florida. Miami just had some amazing views.

Unfortunately we saw nothing here in Miami.  We had 100% cloud cover.

Online Comga

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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
« Last Edit: 08/30/2020 11:50 pm by Comga »
What kind of wastrels would dump a perfectly good booster in the ocean after just one use?

Online Steven Pietrobon

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T+30 minutes. New Zealand on the left will also be launching a rocket today.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline jabe

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not sure if i should ask it here..what was the spinny thing at T+4:06 mark in 1st stage camera angle?

Ice or frozen oxygen. They form on the vents and break off from time to time.
thns...that's what i thought but seemed too symmetrical

Offline groundbound

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not sure if i should ask it here..what was the spinny thing at T+4:06 mark in 1st stage camera angle?

Ice or frozen oxygen. They form on the vents and break off from time to time.
thns...that's what i thought but seemed too symmetrical

S2 Mvac stiffener ring?

Online Comga

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Ground track complete hugs the coastline of Florida. Miami just had some amazing views.

It looks like they may have actually even overflown Miami directly slightly, but given the momentum from the dogleg it also likely never had an IIP over Miami either.

Good graphics of the IIP and more in this post
What kind of wastrels would dump a perfectly good booster in the ocean after just one use?

Offline AC in NC

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not sure if i should ask it here..what was the spinny thing at T+4:06 mark in 1st stage camera angle?

Ice or frozen oxygen. They form on the vents and break off from time to time.
thns...that's what i thought but seemed too symmetrical

S2 Mvac stiffener ring?

No.  It was spinning next to the S1 grid fins which deploy after boostback burn.
« Last Edit: 08/30/2020 11:53 pm by AC in NC »

Online Steven Pietrobon

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T+40 minutes. Over Antarctica.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline AstroBrewer

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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?   

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