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Concorde Orange/Brown Exhaust?  
User currently offlineDripstick From Canada, joined Dec 2001, 2364 posts, RR: 21
Posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 965 times:

I've watched the Concorde take-off twice now and the exhaust appeared orange or brown.

Am I seing things?

Is this the result of the four afterburners or just cheap jet fuel?  Wink/being sarcastic

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6 replies: All unread, jump to last
 
User currently offlineBA From United States of America, joined May 2000, 11153 posts, RR: 59
Reply 1, posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 944 times:

The Concorde doesn't use afterburners during take-off.

What you are seeing are the Concorde's old smoky engines in action.  Smile

Regards



"Generosity is giving more than you can, and pride is taking less than you need." - Khalil Gibran
User currently offlineDripstick From Canada, joined Dec 2001, 2364 posts, RR: 21
Reply 2, posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 943 times:

...ah yeah, they do use afterburners.

Read-up on them.



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User currently offlineUAL1837 From , joined Dec 1969, posts, RR:
Reply 3, posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 937 times:

It's the afterburners, AND the engines as well...they're extremely noisy and dirty, but sound really cool.

User currently offlineJj From Algeria, joined Jun 2001, 1227 posts, RR: 2
Reply 4, posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 920 times:

is the concorde stage 2 or stage 3 noise complyant?

If not, why is it allowed to fly in the US


User currently offlineIlyushin96M From United States of America, joined Sep 1999, 2609 posts, RR: 12
Reply 5, posted (12 years 4 months 3 weeks 6 days 6 hours ago) and read 918 times:

I've seen footage of the TU-144 taking off, and it has the same orange-brown exhaust as the Concorde. I would assume this is from the afterburners, as well as the engines themselves, which to be sure, are of a FAR different type used on any other airliner!

User currently offlineGDB From United Kingdom, joined May 2001, 13166 posts, RR: 78
Reply 6, posted (12 years 4 months 3 weeks 6 days 5 hours ago) and read 910 times:

It's from the afterburners, and Concorde is exempt from noise regs due to it's tiny fleet.
Along with the noise-abatement procedures on t/o, (15% engine throttle-back and when required, avoiding populated areas-as happens after t/o from JFK).
Also Concorde has limits on the times it can operate out of airports.
Actually the noise abatement procedures are what beat the movement to keep it out of JFK, and other noisey jets around in the late 70's, such as 707's, also adopted a similar procedure.
At first the anti-Concorde lobby said Concorde had 'cheated', but shut up when other noisey aircraft reduced their noise too.



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