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Dimonstr
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27.10.2003 11:52:02
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Авиатехника;
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2Rammstein про радиус
Вот что ответили забугорные товарищи:
1.Graham Boak
At optimum conditions with nobody doing anything but flying in a straight line.
That is the use in the professional aviation community. Once you get into general use then it can mean other things.
There is a valuable chapter in Paul Ludwig's recent Mustang book, on the shock experienced by high-ranking US Air Force commanders when their beloved long-range fighters (P-47, P-38) turned out to have rather less impressive radii of action when realistic combat and safety allowances were used.
2.Jim Rice
Range is pretty much how many linear miles something can travel.
Combat radius is often used for a/c where distance out and back with built in maneuvering and fuel reserves are built into the equation.
My 2 cents. Your mileage may vary.
3.Ron M
When doing performance analysis for military aircraft, mission "range" is used for one way missions, like a ferry flight, or in a combat situation, takeoff from Texas, fly to the mid-east, and then land at a point other than where you took off. Mission "radius" is the distance you can fly to a target, and still return home. Range does not equal radius of action, anymore than the diameter of a circle is the same as the radius of a circle. And both numbers will vary with payload and fuel onboard. (25 years of performance analysis with Northrop Grumman)
4.Ming the Merciless
Generally range means how far it can go under certain conditions. The maximun range ... would be from take off to smoking hole in the ground. Effective range ... out and back while taking care of business in the mean time. As you know if you change the situation/circumstance the range will change.
Also, when wondering about English, you must realize that we are cursed with a language that has multiple words for one meaning and multiple meanings for each word. Range us also the descriptions of the top of a cooking stove or Micro wave oven "Radar Range", and the flat open area in the Western part of our country where cattle and other animals feed, hence "Open Range!" Range can also deal with vairiations, Range in color, range in wheather, range is temperment ... but that is a whole other story and I have ranged way too far with this explaination and should be punished severly so I will now go clean up my model room, a task worse than extracting one's own teeth. All in good fun,
Ming.
5.JR
You are correct. In its most basic term, it generally refers to the distance an aircraft can travel to and return from on its fuel.
6.Jennings, wannabe modeler
In its most basic meaning, "range" is the straight line distance an aircraft can fly before running out of fuel.
If you are talking about an "out and return" distance, that is generally only applied to combat aircraft, and it means the operational radius of action possible with a given fuel and ordnance load.
There are all sorts of different meanings for both, including things like "still air range" (no wind to contend with), etc, etc.
J
http://disc.server.com/discussion.cgi?id=174315;article=456666;show_parent=1