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Big question

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EHM-1612 Paolo:
I have always had a big doubt about airplanes....
Why airplanes don't travel faster going from west to east then from east to west?? If world turns from east to west why it shouldn't be like this??? I did many flights and I know that my teory isn't correct but I don't know the cause....
Can anybody help me??
Paolo Mazzoleni EHM-1612
Sorry 4 my english ;D

EHM-1798 Conrad:
because of winds ;)

EHM-1760 Sven:

--- Quote ---Originally posted by marchesedesade89
If world turns from east to west
--- End quote ---


I learned the earth rotates from west to east.

And I have looked again in the Internet and found this sentence on a homepage from the NASA.

"1. The Earth rotates on its axis from West to East..."

http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980225a.html

picture:



from: http://www.physicalgeography.net/fundamentals/images/seasons.jpg

The problem:

Where is east and where west?

When you depart with a A340 300 in Shanghai WSSS and fly to
Los Angeles KLAX. Are flying from the east to the west or from the west to the east ? :s  :% ;D

EHM-1343 Jonathan:
The Jetstream winds, travel from west to east, So when you're flying from KJFK-EGLL, you have the Jetstream behind you...pushing you on, this adds about 100kts to your Groundspeed....
Unfortunately, if you're going to other way, you must compete with the Jetstream, so you get a nice big 100kt headwind.
This theory applies to planes going from EGLL-OMDB(dubai) for example, they have the jetstream behind on the outbound leg, and must compete against it on the way back...hope that makes sense, not sure why the winds are that way...perhaps Svens diagram has something to do with it!

EHM-1358 Tim:

--- Quote ---Originally posted by 1760When you depart with a A340 300 in Shanghai WSSS and fly to
Los Angeles KLAX. Are flying from the east to the west or from the west to the east ? :s  :% ;D
--- End quote ---


That would be "From West to East", looking north in Shanghai, the general direction you fly in is West.

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