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(Rocket Launch Live)   Watch SpaceX launch a satellite for Sirius Satellite Radio at 12:26 AM ET   (rocketlaunch.live) divider line
    More: Live, SpaceX, Falcon 9, SpaceX Falcon, Merlin, Cape Canaveral Air Force Station Space Launch Complex 40, SpaceX Dragon, Falcon 5, Commercial Orbital Transportation Services  
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269 clicks; posted to STEM » and Discussion » on 05 Jun 2021 at 11:45 PM (6 days ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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6 days ago  
Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.
 
6 days ago  

markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.


Lifetime subscription biatches. One of the best investments I've ever made.
 
6 days ago  

Destructor: markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.

Lifetime subscription biatches. One of the best investments I've ever made.


I concur!
 
6 days ago  

BigGary_: Destructor: markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.

Lifetime subscription biatches. One of the best investments I've ever made.

I concur!


How does a lifetime subscription pay for a new launch, though?
 
6 days ago  

roostercube: BigGary_: Destructor: markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.

Lifetime subscription biatches. One of the best investments I've ever made.

I concur!

How does a lifetime subscription pay for a new launch, though?


Advertising.  Advertising pays for the launch.
 
6 days ago  

Nicholas D. Wolfwood: Advertising.  Advertising pays for the launch.


Advertising is what caused me to cancel my (non-lifetime) subscription (I was one of the earlier XM adopters, but the quality of programming plummeted after the merger).

It's like pulling teeth to cancel though. Their retention department rivals AOL's.
 
6 days ago  
My wife has a subscription for her car. I can tune in on my car using the app. It doesn't really cost that much.
 
6 days ago  
Oontz
 
6 days ago  

roostercube: BigGary_: Destructor: markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.

Lifetime subscription biatches. One of the best investments I've ever made.

I concur!

How does a lifetime subscription pay for a new launch, though?


It has to do with math. You wouldn't understand.
 
6 days ago  
w00t.
 
6 days ago  

Nicholas D. Wolfwood: Oontz


Oontz is happening!!! Joy.
 
6 days ago  
Sirius XM is still a thing?
 
6 days ago  
Anybody have any skinny on the Booster of the Day?
 
6 days ago  

soupafi: Sirius XM is still a thing?


YES.
 
6 days ago  
Man, the lighting makes those buildings look like they are on fire.
 
6 days ago  

Destructor: soupafi: Sirius XM is still a thing?

YES.


When Jubal and I each got our new cars in 2019 (He got a Hyundai Ioniq hybrid, I got an Accord Touring hybrid), each one came with a one year complementary subscription to Sirius XM.  He went all in and signed up, I've never even fired mine up.  I don't listen to the radio much.
 
6 days ago  

Nicholas D. Wolfwood: Anybody have any skinny on the Booster of the Day?


Ah - 3rd flight.
 
6 days ago  

Nicholas D. Wolfwood: Anybody have any skinny on the Booster of the Day?


3rd flight for this thing, I guess. Nice.
 
6 days ago  

Nicholas D. Wolfwood: Nicholas D. Wolfwood: Anybody have any skinny on the Booster of the Day?

Ah - 3rd flight.


While we got 8 minutes left. What's the skinny on BN-2? Are they going to try and light off a full stack starship this month?
 
6 days ago  

Nicholas D. Wolfwood: Anybody have any skinny on the Booster of the Day?


B1061.3, It's first two flights were Crew-1 and Crew-2
 
6 days ago  
I still never understand with satellite launches. Couldn't they really launch whenever?
 
6 days ago  
The animation 'demo' of the Starship / Super Heavy first test flight is *definitely* recommended!

Starship and Super Heavy Orbital Test Animation
Youtube iFt_LsFRFEQ
 
6 days ago  

markie_farkie: Srsly?

People still subscribe to that?

Enough to warrant a launch?

Ok.


I got the $60/12 month deal - it's nice to have in the car just for sports when I'm driving
 
6 days ago  

Destructor: Nicholas D. Wolfwood: Nicholas D. Wolfwood: Anybody have any skinny on the Booster of the Day?

Ah - 3rd flight.

While we got 8 minutes left. What's the skinny on BN-2? Are they going to try and light off a full stack starship this month?


I hear they flipped the numbers - BN-2 is now BN-3, and there seems to a partial test article 'BN-2.1' out at the site at Boca Chica.
 
6 days ago  

Nicholas D. Wolfwood: I hear they flipped the numbers - BN-2 is now BN-3, and there seems to a partial test article 'BN-2.1' out at the site at Boca Chica.


Crazy, but I'm sure they know what they're doing.
 
6 days ago  
Yay, in time for the launch.
 
6 days ago  
All right people. Here we go...

i.kym-cdn.comView Full Size


T minus one minute.  AND COUNTING
 
6 days ago  
Area cats confused by loud noise.
 
6 days ago  
AND THEY'RE OFF!!  ANOTHER PAYLOAD ON ITS WAY UP, UP, UP!!!
 
6 days ago  
Liftoff!
 
6 days ago  
Love a good night liftoff!
 
6 days ago  
I love night launches!
 
6 days ago  

Destructor: Area cats confused by loud noise.


given SpaceX's launch cadence they probably have gotten used to it at this point.
 
6 days ago  

khitsicker: Destructor: Area cats confused by loud noise.

given SpaceX's launch cadence they probably have gotten used to it at this point.


They notice. But, they've throttled back their interest level to "don't care".
 
6 days ago  

Destructor: Nicholas D. Wolfwood: I hear they flipped the numbers - BN-2 is now BN-3, and there seems to a partial test article 'BN-2.1' out at the site at Boca Chica.

Crazy, but I'm sure they know what they're doing.


They've also scrapped SN17 since SN15 went so well.  Lots of changes going on down there.
 
6 days ago  
Nice separation
 
6 days ago  
Man, look at how hot that nozzle is...That's really amazing. Is that using regenerative cooling? I read some where it was. But how?
 
6 days ago  

soupafi: I still never understand with satellite launches. Couldn't they really launch whenever?


They could - but only if they didn't care where the payload ended up.

In real life, they have to worry about things like hitting their particular 'orbital slot' (like a constantly moving parking spot).  Since there's a lot of other stuff up there, and it's all moving at high speed relative to each other, they need to make sure they aren't in the right spot at the wrong time.

And if they're doing something like rendezvousing with the ISS, they *really* need to launch on time.  Like a trapeze artist swinging out to catch the other trapeze his partner swings out to him.  Without careful timing, you won't have both of them at the same place and the same time, and that will purely ruin your whole day.
 
6 days ago  
Did I read right that a heavy is contracted to launch an internet sat for the co.pany trying to force starlink to stop as they can't conpete with it?
 
6 days ago  
And baby comes back to the barn!

Another beautiful landing!

It's very, very humbling, if you really think about what's happening.
 
6 days ago  
Nailed it!!!
 
6 days ago  
Damn. That's always a miracle to me.
 
6 days ago  
Good landing! Love that close up shot.
 
6 days ago  
I hope they figure out how not to lose picture
 
6 days ago  
These will never not be exciting.
 
6 days ago  

Bhaughbb: Did I read right that a Heavy is contracted to launch an internet sat for the company trying to force starlink to stop as they can't compete with it?


Yeah, looks like it.  Sometime before the end of the year, the launch manifest lists a Falcon Heavy for the 'ViaSat 3' payload.
 
6 days ago  

Nicholas D. Wolfwood: Bhaughbb: Did I read right that a Heavy is contracted to launch an internet sat for the company trying to force starlink to stop as they can't compete with it?

Yeah, looks like it.  Sometime before the end of the year, the launch manifest lists a Falcon Heavy for the 'ViaSat 3' payload.


Thanks, I was thinking I had read and remebered that correcrly.
 
6 days ago  

Destructor: Man, look at how hot that nozzle is...That's really amazing. Is that using regenerative cooling? I read some where it was. But how?


If it's what I'm thinking of, they pipe the supercold propellant through channels in the nozzle.  It helps protect the nozzle from the heat of the engine burn, preheats the fuel, and has something to do with helping to spin the turbopumps that keep the fuel moving at such Gawdawful rates of flow.

In a system like this, 'Heat Management' is the religion that the design engineers live by.
 
6 days ago  
Destructor

Man, look at how hot that nozzle is...That's really amazing. Is that using regenerative cooling? I read some where it was. But how?

High-temperature niobium alloy. Rather thin and flimsy; note the shedding of the stiffening ring at second-stage engine startup.
 
6 days ago  

Destructor: Damn. That's always a miracle to me.


Yes, yes it is.

Every day, I tell myself that just because we live in an era where 'miracles have become a dime a dozen', that's not a license for me to take them for granted, or to be anything other than humbly grateful for the privilege of witnessing them and making use of them.
 
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