Author Topic: FAILURE: Astra Rocket 3.1 - Kodiak - September 12, 2020 (03:19 UTC)  (Read 76874 times)

Offline Steven Pietrobon

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Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #60 on: 08/05/2020 02:53 am »
New T-0 of 03:50 UTC.

https://twitter.com/Astra/status/1290843101435592706

"Testing completed successfully and we are stepping back into count. New T-0 is 850pm PT."
« Last Edit: 08/05/2020 02:54 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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Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #61 on: 08/05/2020 03:09 am »
Loading propellant!

https://twitter.com/Astra/status/1290847030777020416

"T-45 minutes, loading propellant

As loading is ongoing, let's admire this helicopter photo of the Kodiak launch site

@johnkrausphotos"
« Last Edit: 08/05/2020 03:10 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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Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #62 on: 08/05/2020 03:25 am »
Scrub!

https://twitter.com/Astra/status/1290850980536279040

"Propellant loading is going slower than planned, and we won't have enough time to finish the load and launch before the end of the window (9pm PT). Unfortunately, we will have to scrub today."
« Last Edit: 08/05/2020 03:26 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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Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #63 on: 08/05/2020 03:27 am »
https://twitter.com/Astra/status/1290850981320650752

"We will provide another update tomorrow as we have additional launch opportunities through Friday."
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline john smith 19

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Re: Astra Rocket 3.1 - Kodiak - NET August 2, 2020
« Reply #64 on: 08/05/2020 05:43 am »
Here's the Rocket 3.1 press kit. Vehicle details

First Stage: Five 28 kN SL Delphin electric pump fed kerolox engines for 140 kN total.
Second Stage: One 3.1 kN vacuum Aether pressure fed kerolox engine
Total Length: 11.6 m
Diameter: 1.32 m
2020 Seems quite the year for electric pumped rocket engines.
MCT ITS BFR SS. The worlds first Methane fueled FFSC engined CFRP SS structure A380 sized aerospaceplane tail sitter capable of Earth & Mars atmospheric flight.First flight to Mars by end of 2022 TBC. T&C apply. Trust nothing. Run your own #s "Extraordinary claims require extraordinary proof" R. Simberg."Competitve" means cheaper ¬cheap SCramjet proposed 1956. First +ve thrust 2004. US R&D spend to date > $10Bn. #deployed designs. Zero.

Offline john smith 19

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Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #65 on: 08/05/2020 05:45 am »
Loading propellant!

https://twitter.com/Astra/status/1290847030777020416

"T-45 minutes, loading propellant

As loading is ongoing, let's admire this helicopter photo of the Kodiak launch site

@johnkrausphotos"
I never thought of Alaska as so Green.

It put me in mind of New South Wales.
MCT ITS BFR SS. The worlds first Methane fueled FFSC engined CFRP SS structure A380 sized aerospaceplane tail sitter capable of Earth & Mars atmospheric flight.First flight to Mars by end of 2022 TBC. T&C apply. Trust nothing. Run your own #s "Extraordinary claims require extraordinary proof" R. Simberg."Competitve" means cheaper ¬cheap SCramjet proposed 1956. First +ve thrust 2004. US R&D spend to date > $10Bn. #deployed designs. Zero.

Online FutureSpaceTourist

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Re: Astra Rocket 3.1 - Kodiak - August 2020
« Reply #66 on: 08/05/2020 04:53 pm »
https://twitter.com/thesheetztweetz/status/1291053909205749760

Quote
Small rocket builder Astra will not attempt to launch Rocket 3.1 today due to strong upper level winds, CEO Chris Kemp tells me. The company will go for another attempt on Thursday, with the window opening at 10 p.m. ET (02:00 UTC)

Photo: @johnkrausphotos / @Astra

Offline whitelancer64

Re: Astra Rocket 3.1 - Kodiak - NET August 5, 2020
« Reply #67 on: 08/05/2020 04:59 pm »
Loading propellant!

*snip tweet*

"T-45 minutes, loading propellant

As loading is ongoing, let's admire this helicopter photo of the Kodiak launch site

@johnkrausphotos"
I never thought of Alaska as so Green.

It put me in mind of New South Wales.

Alaska is super nice in the summertime. It can even get hot. It's the rest of the year where the weather will get ya.
"One bit of advice: it is important to view knowledge as sort of a semantic tree -- make sure you understand the fundamental principles, ie the trunk and big branches, before you get into the leaves/details or there is nothing for them to hang on to." - Elon Musk
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Offline Steven Pietrobon

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Re: Astra Rocket 3.1 - Kodiak - August 2020
« Reply #68 on: 08/05/2020 11:22 pm »
https://twitter.com/Astra/status/1291074514139230208

"Update: weather is 80% unfavorable today and we'll be making our next attempt tomorrow.

As we wait, the juxtaposition of the moon and sun with Rocket 3.1

 @johnkrausphotos"
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 Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #69 on: 08/06/2020 02:53 am »
If all goes according to plan...

We could have an American bi-coastal "two-fer" orbital launch date (August 7 UTC):
This launch;
Starlink/Falcon 9 launch from KSC.
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Online FutureSpaceTourist

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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #70 on: 08/06/2020 06:17 pm »
https://twitter.com/astra/status/1291431593995677697

Quote
🚀 Update: weather has improved and we are hoping to launch tonight! Our launch window is 7-9pm PT, follow us here for updates

📸 @johnkrausphotos
« Last Edit: 08/06/2020 06:17 pm by FutureSpaceTourist »

Offline Steven Pietrobon

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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #71 on: 08/07/2020 01:10 am »
Now T-50 minutes.

twitter.com/Astra/status/1291540364923305984

"T-60 minutes, Rocket is vertical! Third time's the charm
Crossed fingers

@johnkrausphotos"
« Last Edit: 08/07/2020 01:28 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #72 on: 08/07/2020 01:18 am »
Now T-42 minutes.

twitter.com/Astra/status/1291543667803484160

"T-45 minutes, loading propellant

@johnkrausphotos"
« Last Edit: 08/07/2020 01:19 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #73 on: 08/07/2020 01:32 am »
Now T-28 minutes.

twitter.com/Astra/status/1291547536684019712

"T-30 minutes, flight safety checks are complete

@johnkrausphotos"
« Last Edit: 08/07/2020 01:33 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #74 on: 08/07/2020 01:47 am »
Holding the count

twitter.com/Astra/status/1291551227088576513

"T-15 minutes, we are briefly holding the count as we top off liquid oxygen"
« Last Edit: 08/07/2020 01:48 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #75 on: 08/07/2020 01:57 am »
Estimate launch at 02:10 UTC.

twitter.com/Astra/status/1291553832619528192

"T-14 minutes, we are in terminal count"
« Last Edit: 08/07/2020 02:00 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #76 on: 08/07/2020 02:01 am »
Go for poll.

twitter.com/Astra/status/1291554899763724288

"T-10 minutes, go/no-go poll is GO for launch!"
« Last Edit: 08/07/2020 02:01 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #77 on: 08/07/2020 02:05 am »
Go for launch.

twitter.com/Astra/status/1291555907483004930

"T-6 minutes, range is GO for launch!"
« Last Edit: 08/07/2020 02:06 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #78 on: 08/07/2020 02:09 am »
Estimate launch at 02:11 UTC.

twitter.com/Astra/status/1291556711883448320

"T-3 minutes, propellant load is complete"
« Last Edit: 08/07/2020 02:09 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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Re: Astra Rocket 3.1 - Kodiak - August 7, 2020, 02:00 UTC
« Reply #79 on: 08/07/2020 02:11 am »
Launch should be happening about now.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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