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originally posted by: turbonium1
originally posted by: Zaphod58
a reply to: turbonium1
Contrary to what you apparently believe, flying from point A to point B in a straight line is NOT the most efficient way to get somewhere. The most efficient way to get there is to fly the great circle route. That means when flying to Beijing, you fly up the West Coast of the US, circle under Alaska, down the West Coast of Russia, and into China. It does NOT mean flying straight out over the Pacific, over Hawaii, to China. If they flew that route, they WOULD need more fuel.
I never said they all fly in a straight line. I said they fly from Point A to Point B, and no flight paths would go over the city I live in, whether it's a straight line, or a great circle. That's the problem here.
originally posted by: turbonium1
originally posted by: Zaphod58
a reply to: turbonium1
Contrary to what you apparently believe, flying from point A to point B in a straight line is NOT the most efficient way to get somewhere. The most efficient way to get there is to fly the great circle route. That means when flying to Beijing, you fly up the West Coast of the US, circle under Alaska, down the West Coast of Russia, and into China. It does NOT mean flying straight out over the Pacific, over Hawaii, to China. If they flew that route, they WOULD need more fuel.
I never said they all fly in a straight line. I said they fly from Point A to Point B, and no flight paths would go over the city I live in, whether it's a straight line, or a great circle. That's the problem here.
originally posted by: turbonium1
So many planes keep on flying above every major city around the world, day after day, while each and every one of these planes always leaves a contrail, simply doesn't wash.
You cannot remove the environmental factors required, which aren't present each and every day, around the world, right?
You have another excuse, which is engines make the contrails now, in most any type of environment...
Of course, no proof for this claim, to excuse it all away..
Planes would not be flying in every direction, going nowhere,
Some of these planes are going directly west, to the vast Pacific Ocean...!!
Where could these planes possibly land, is the real question...
They are flying over an international airport, but none of them need more fuel in crossing the Pacific!
Why are the planes above the city, all the time? No reason, flying over cities is just for fun!!
originally posted by: fema1
a reply to: anonentity
This guys explains Chem vs. Con!
originally posted by: turbonium1
I never said they all fly in a straight line. I said they fly from Point A to Point B, and no flight paths would go over the city I live in, whether it's a straight line, or a great circle. That's the problem here.
originally posted by: Soylent Green Is People
originally posted by: turbonium1
originally posted by: Zaphod58
a reply to: turbonium1
Contrary to what you apparently believe, flying from point A to point B in a straight line is NOT the most efficient way to get somewhere. The most efficient way to get there is to fly the great circle route. That means when flying to Beijing, you fly up the West Coast of the US, circle under Alaska, down the West Coast of Russia, and into China. It does NOT mean flying straight out over the Pacific, over Hawaii, to China. If they flew that route, they WOULD need more fuel.
I never said they all fly in a straight line. I said they fly from Point A to Point B, and no flight paths would go over the city I live in, whether it's a straight line, or a great circle. That's the problem here.
Flight vectors are over almost every place in the entire United States.
The map below shows the air vectors. These "roads" in the air can each be a few miles wide (i.e., accommodating several "lanes" for planes). Plus, at the height a plane flies, it could be seen flying over a spot on the ground up to 50 miles away from the observer.
skyvector.com...,-98.43310546770081&chart=304&zoom=10
originally posted by: Zaphod58
a reply to: turbonium1
Wrong again. Flights out of LA, San Francisco, San Diego, Las Vegas, Dallas going to anywhere in Asia will go over both those cities. They all go up to just south of Alaska before turning west and heading down along the Russian coastline and heading into Asia.
According to whom? Define "need."
They have no need to fly directly over those cities when enroute to Asia