Author Topic: Astra LV0007 - STP-27AD2 - Kodiak - 20 November 2021 (0616 UTC)  (Read 50731 times)

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #40 on: 11/19/2021 04:56 am »
Taking time to verify some upper stage systems.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Yggdrasill

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #41 on: 11/19/2021 05:09 am »
It's a cold day in Alaska, and the upper stage umbilical looked very icy. They zoomed in on it just before they went to stock video.

Maybe they need to scrub and insulate some lines better. (The issue might be something completely different, of course.)

If the flight goes off successfully, it does help prove the launch envelope.
« Last Edit: 11/19/2021 05:14 am by Yggdrasill »

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #42 on: 11/19/2021 05:23 am »
Still in the hold. Showing safety zones.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline zubenelgenubi

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #43 on: 11/19/2021 05:39 am »
Still in the hold.
Today's window is 05:00 to 08:30 UTC.  So, they need to emerge from the hold before or at 08:00 UTC today.

Tomorrow's window also 05:00 to 08:30 UTC.

From the webcast:
Launches from Kodiak share airspace with airplane flights to and from Anchorage.

The dates and times of launch windows are constrainted by the  FAA because the increased rate of passenger and freight flights due to Thanksgiving (stated as "the holidays" in the webcast). Thus, no launch window on Nov 21 UTC, etc.

IIRC, Anchorage can be a midpoint for transpolar flights, as well as a destination.

We live in the age of (jet) airplanes, even in Alaska!
« Last Edit: 11/19/2021 05:44 am by zubenelgenubi »
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Offline Yggdrasill

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #44 on: 11/19/2021 05:40 am »
Countdown resumed!

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #45 on: 11/19/2021 05:40 am »
Count has resumed. Launch is at about 7:10 UTC.
« Last Edit: 11/19/2021 05:41 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline zubenelgenubi

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #46 on: 11/19/2021 05:43 am »
Yes, new T-0 is 07:10 UTC.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #47 on: 11/19/2021 05:49 am »
Vehicle diagram.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #48 on: 11/19/2021 05:57 am »
Looking at a 10 minute hold.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #49 on: 11/19/2021 06:11 am »
Count has resumed. Launch at 7:25 UTC.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #50 on: 11/19/2021 06:12 am »
Launch timeline.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #51 on: 11/19/2021 06:15 am »
Scrubbed at T-11 minutes and 7 seconds. No reason given yet. Will try again tomorrow.
« Last Edit: 11/19/2021 06:17 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline zubenelgenubi

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 18/19 November 2021
« Reply #52 on: 11/19/2021 06:17 am »
Scrub! No explanation at this time.
Another launch window tomorrow, 05:00 to 08:30 UTC.
Thomas and Carolina sign off.

No mention was made during Q&A, etc. regarding launch windows after tomorrow, i.e. after Thanksgiving (November 25 this year in USA). 🇺🇸
« Last Edit: 11/19/2021 06:21 am by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline ceauke

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Re: Astra LV0007 - STP-27AD2 - Kodiak - 19/20 November 2021
« Reply #53 on: 11/19/2021 08:12 am »
(I don't know how to quote twitter, so I'll just type it out)

From Chris Kemp: "The team diligently worked through issues related to the freezing conditions up in Kodiak tonight, but we ran out of time. We'll try again tomorrow"

Offline FlattestEarth

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Good webcast, the Astra rep was likeable and had good info.  Did anyone ask about circularization and if there is a 3rd stage?

Offline Ken the Bin

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New webcast (video id 97qhttuqtB4):


Offline RocketLover0119

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"The Starship has landed"

Offline RocketLover0119

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"The Starship has landed"

Offline Steven Pietrobon

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Webcast has begun. 42 minutes to launch. This gives a launch at 05:15 UTC, but there will be a hold at T-30 minutes. Found frozen moisture in igniter system yesterday.
« Last Edit: 11/20/2021 03:35 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Static fire test.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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