** The Official Space Flight Thread - The Space Station and Beyond **

Chuk_Chuk said:
Oops. Not sure how the reset command will work because the position should always be changing. We'll have to wait and see if they reestablish contact.

I guess future probes will have a revert change if no confirmation after x number of seconds hours feature :D

www.bbc.co.uk

Voyager 2: Nasa picks up 'heartbeat' signal after sending wrong command

A signal sent in error left Voyager 2's antenna tilting the wrong way, severing contact with Earth.
www.bbc.co.uk
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Good news, contact has been re-established.
 
Grim5 said:
Lol can't blame flying bits of concrete now

having the same issues the N1 had, time will tell if they can be resolved
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Really? This is a test fire surely it's purpose it to diagnose problems?

I have to say in general though I remain amazed at the speed of development and innovation. The water deluge has been installed super quick, the move to hot staging and continuing development of Starship for Starlink deployment. They're not resting on the laurels. Which happen to be once a week launches of Falcon 9.
 
PlacidCasual said:
Really? This is a test fire surely it's purpose it to diagnose problems?

I have to say in general though I remain amazed at the speed of development and innovation. The water deluge has been installed super quick, the move to hot staging and continuing development of Starship for Starlink deployment. They're not resting on the laurels. Which happen to be once a week launches of Falcon 9.
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I don't think anyone is questioning Falcon. That has already proved itself 100s of times over. I still worry that the Raptor issues keep showing their ugly head.
 
Yep we've had multiple falcon heavy launches which contain 18 engine each yet not a single one has shutdown in flight or in static fire prior to launch. Even the Falcon heavy's very first test flight was flawless with zero engine issues. Yet with Starship... they can't manage a single static fire on the booster without multiple shutdowns

It could be caused a million different things, like the N1 it could be a plumbing issue, but given that engine shutdown was a issue during 2nd stage testing as well and that is far simpler with just 6 engines and testing was done with 3 engines so I don't think it's plumbing. It's more likely to be something in that engine design, perhaps they are just pushing the engine too hard
 
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Grim5 said:
Yep we've had multiple falcon heavy launches which contain 18 engine each yet not a single one has shutdown in flight or in static fire prior to launch. Even the Falcon heavy's very first test flight was flawless with zero engine issues. Yet with Starship... they can't manage a single static fire on the booster without multiple shutdowns

It could be caused a million different things, like the N1 it could be a plumbing issue, but given that engine shutdown was a issue during 2nd stage testing as well and that is far simpler with just 6 engines and testing was done with 3 engines so I don't think it's plumbing. It's more likely to be something in that engine design, perhaps they are just pushing the engine too hard
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This is a bad comparison, Falcon Heavy uses the Merlin 1 engines (though admittedly a newer variant) which has been around in some form since 2006. Falcon heavy's first flight was in 2018
 
Grim5 said:
Yep we've had multiple falcon heavy launches which contain 18 engine each yet not a single one has shutdown in flight or in static fire prior to launch. Even the Falcon heavy's very first test flight was flawless with zero engine issues. Yet with Starship... they can't manage a single static fire on the booster without multiple shutdowns

It could be caused a million different things, like the N1 it could be a plumbing issue, but given that engine shutdown was a issue during 2nd stage testing as well and that is far simpler with just 6 engines and testing was done with 3 engines so I don't think it's plumbing. It's more likely to be something in that engine design, perhaps they are just pushing the engine too hard
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I think we know what it is. This is the most powerful engine with the highest chamber pressure and the most complex engine in history. Elon is doing what has worked well for him in the past, fast tracking development and fixing as they break things. Thing is the Merlin engine was nothing special and there are decades of history for that engine design. SpaceX simply took a working design and made it work for them. Raptor is a whole different ball game. Blue Origin are struggling with their next engine as well.

I have to say I wouldn't get on the first Starship flight for any amount of money. I'd want to see 100 flawless flights before I considered it. With no in flight abort system if something goes wrong with the booster you are all dead.
 
Colonel_Klinck said:
I have to say I wouldn't get on the first Starship flight for any amount of money. I'd want to see 100 flawless flights before I considered it. With no in flight abort system if something goes wrong with the booster you are all dead.
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Likewise, but in fairness to SpaceX they are looking to follow a Falcon 9 like approach and not even bother with Human Rating until they have got many dozens of flights under their belt.

I can remember early on when a Falcon 9 let go on the pad and everyone pointed fingers and said their QA shortcomings and design philosophy were flawed. We've now had 160+ Falcon 9 first stage landings. And can anyone remember the last Falcon 9 that failed?
 
Falcon 9 booster had several accident trying to do landings but as far as sending the rocket up, only one I can remember is posted above where a leak caused the thing to blow up on the launch pad
 
Not sure which thread is best for this but I can't find the other space one.

Some pretty cool videos of the sun:

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Russians sending stuff to the moon?
This some sort of smoke screen to distract from them loosing the war in Ukraine?
 
Grim5 said:
Falcon 9 booster had several accident trying to do landings but as far as sending the rocket up, only one I can remember is posted above where a leak caused the thing to blow up on the launch pad
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They certainly have a sense of humour

 
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