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flyingturtle
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Astra tests, launches and developments

Sat Aug 28, 2021 10:47 pm

Astra is a newcomer to the business, and whatever is needed to launch the rocket - and the rocket itself - fits into a small number of shipping containers.

In today's test of "Rocket 3" (naming their products is not their forte), the thing seemed to fall over... hovered a bit... and then ascended. During or shortly after max Q, the rocket began to tumble and had to be terminated. The tumbling was caught by the on-board camera.

https://www.youtube.com/watch?v=O8Tdm797BzM

Rocket 3 resembles an ICBM and is scheduled to put between 25 and 150 kilograms into 500 km orbits.

It's their fifth launch to date.
 
zanl188
Posts: 3867
Joined: Sat Oct 21, 2006 9:05 pm

Re: Astra tests, launches and developments

Sun Aug 29, 2021 1:27 pm

Thanks for starting an Astra thread.

One of five first stage engines failed at lift off. This made the thrust to weight ratio 1 to 1. It hovered off of the pad. Didn’t start to climb until it burned off some propellant.

Tumble was due to intentional flight termination..

The initial “lean and hover” off of the pad reminded me of an early Atlas launch.

Better luck next time Astra!
 
zanl188
Posts: 3867
Joined: Sat Oct 21, 2006 9:05 pm

Re: Astra tests, launches and developments

Sun Aug 29, 2021 1:29 pm

Scott Manley video regarding this launch….

https://youtu.be/x2jU5W4ehPE
 
GDB
Posts: 14396
Joined: Wed May 23, 2001 6:25 pm

Re: Astra tests, launches and developments

Sun Aug 29, 2021 3:12 pm

zanl188 wrote:
Scott Manley video regarding this launch….

https://youtu.be/x2jU5W4ehPE


Beat me to it!
Like those watching I though it's going to topple, then it......emerged, rose but as Scott said, no way it's getting to orbit now, moot point as it proved.
Brush themselves off, learn, fix, go again.
Good luck to them.
 
zanl188
Posts: 3867
Joined: Sat Oct 21, 2006 9:05 pm

Re: Astra tests, launches and developments

Tue Oct 12, 2021 7:42 pm

Little problem with propellants leaking and taking out an electrical connector.

https://www.nasaspaceflight.com/2021/10 ... stigation/

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