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Can The Concorde Make Contrails?  
User currently offlineILS From , joined Dec 1969, posts, RR:
Posted (12 years 10 months 3 weeks 1 day ago) and read 1035 times:

Since the Concorde has supersonic engines, is it possible for them to make contrails?

2 replies: All unread, jump to last
 
User currently offlinePrebennorholm From Denmark, joined Mar 2000, 6539 posts, RR: 54
Reply 1, posted (12 years 10 months 3 weeks 23 hours ago) and read 1014 times:

Contrails have nothing with speed to do. It's only a question about humidity. Every pound of fuel burned produces 1.2 pounds of water vapor which may freeze to ice particles - contrails, or evaporate depending on the conditions, ambient humidity and temperature.

But the Concorde cruises in the strotosphere where the air is much dryer, and it will normally not produce contrails up there.

At lower levels, however, it is no different than other airliners. Except that it consumes so much more fuel, and therefore produces more water vapor, and generally thicker contrails.

Regards, Preben Norholm



Always keep your number of landings equal to your number of take-offs, Preben Norholm
User currently offlineEGGD From United Kingdom, joined Feb 2001, 12443 posts, RR: 35
Reply 2, posted (12 years 10 months 3 weeks 23 hours ago) and read 1016 times:

No, it is far too expensive to fly to produce contrails AS WELL  Smile  Big grin

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