liedetectors
Topic Author
Posts: 323
Joined: Thu Jul 21, 2005 10:44 am

Fire On The Space Shuttle?

Mon Feb 22, 2010 3:25 am

Yea so I just watched the space shuttle do a night landing tonight on tv. During the footage of the roll out, I couldnt help but notice that there was some flames pulsing out of the base of the tail. Does anyone know what that is? Some sort of reverse thrusters? Is it normal? Could it just be extra hydrazine burning off?
If it was said by us, then it must be true.
 
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Web500sjc
Posts: 665
Joined: Tue Sep 15, 2009 4:23 am

RE: Fire On The Space Shuttle?

Mon Feb 22, 2010 4:45 am

the drag chute deploying? i'd imagine there are some pyro-yechnics involved with that so that could be your flash, as for fire, you would know by now if there was a fire.
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Mir
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RE: Fire On The Space Shuttle?

Mon Feb 22, 2010 4:56 am

Quoting liedetectors (Thread starter):
Is it normal? Could it just be extra hydrazine burning off?

It's hydrazine from the APUs burning off, and while this was one of the more vibrant displays of it that I've seen, it is normal.

-Mir
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Oroka
Posts: 1095
Joined: Sat Dec 09, 2006 4:37 am

RE: Fire On The Space Shuttle?

Thu Feb 25, 2010 2:44 am

Quoting Mir (Reply 2):
It's hydrazine from the APUs burning off, and while this was one of the more vibrant displays of it that I've seen, it is normal.

I will second that one.
 
curlyheadboy
Posts: 829
Joined: Tue Feb 08, 2005 6:56 am

RE: Fire On The Space Shuttle?

Thu Feb 25, 2010 11:02 am

Quoting Oroka (Reply 3):
Quoting Mir (Reply 2):
It's hydrazine from the APUs burning off, and while this was one of the more vibrant displays of it that I've seen, it is normal.

I will second that one

Yep, that's what it is. In the daylight you can't see the flames but still can hear the intermittent puffing sound of the exhaust.  
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