ByAikane
What limits the altitude of airplanes or helicopters? Theoretically, all aircraft should be able to climb as high as they like as long as there is still air available, right?
(3 votes)
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The maximum possible altitude is limited by 2 factors. The air density that decreases with the height and the absolutely less oxygen that the engine needs to make power. Engines with turbo usually reach almost 100% power even at larger altitudes, while normal internal combustion engines then already crack and the mixture has to be “lean”, i.e. leaner anyway. From a certain height, the missing air density is also added. The wing (both plane or helicopter) can no longer generate enough buoyancy.
For piston shakers, what you say is true! Top… For turbines, the larger the compressor of your trieber is the thinner the air can be before the powder and thus the power goes out. In the case of airliners, the altitude is precisely limited by the pressure cabin. Due to the diameter of the cabin, the differential pressure in airliners (pressure=Kraftx area) is lower than in Buissenes Jets. That’s why small civilian jets fly higher. The outer skin of airliners would become too thick and shy when the higher go and the Paxe should survive. In the military, the situation looks different, as it decides to what height the Trieber still generates enough power to move the wing quickly enough so that the buoyancy can generate… there is also the subject of supersonics or subsonic wings…. In the case of helicopters, it is mainly the size of the compressor stage, i.e. when the power loss in the thin, high athmosphere begins, which determines via Max Altitude. Since the “rup/down” is hardly controlled with the rotor speed but with the pitch…the angle of incidence of the rotary vanes and the pilot…whether the carriage in thin air will be at some point with the angle of incidence of the leaves at the stop, his device would simply not be able to generate any more uplift at some point in order to increase further and can still maneuver… By the way, helicopters can only fly because they are so ugly that they are pushed away from the planet….
Helicopters do not come above about 5 km height, with conventional jet engines close at about 30 km, because not enough air is there. experimentally, there are still the so-called SRam jet engines, which do not have turbines, but in the supersonic range the few air molecules themselves compress. With them one should come into low orbits in a kind of mixture of buoyancy and rocket flight. to the engines. http://de.wikipedia.org/wiki/Ramjet
the eurocopter as 350 has made a height of 13716 meters.
In my opinion, the answer is as high as the engine/engines still get enough oxygen to reach a speed that creates enough boost.
In aviation, coffin corner (English, literally translated: Sargecke) or Q-Corner is the point of the fatal buoyancy loss at a high altitude, at which minimum flight speed and maximum speed have the same value. The plane shall not fly faster or slower at this altitude. At an even greater altitude, it cannot fly, since then the minimum speed should be higher than the maximum speed.
Source(s):
http://de.wikipedia.org/wiki/Coffin_Corn…
Max isn’t aware of me, but I know last year I was 11,000 meters tall with the plane. (Stand on this TV showing your geographic location) And I know that the question 12 years ago is still for those who still care… By the way, it was a 3 hours flight and the highest location I had about the 1st hour. (I don’t know if it’s an important fact, but we were there above the sea.)
the higher you come, the lower the air pressure – at some point the boost is no longer enough
Record is approx. 8.840m (Mt.Everest), with a serial helicopter from Eurocopter.
Over 7000m, however, this can become life-threatening. For example, if it is no longer enough for the drive over the next ridge.
The S70 “Black Hawk” of the Bundeswehr
creates a maximum altitude of around 6000 m.
The Bundeswehr has no “Black Hawk”.
CH53, NH90, Seaking, Lynx,UH-1D,
A plane flies a maximum of 47,000-48,000 feet! These are roughly 10 km =10.000m
I think there’s a helicopter at about 4800 meters.
you almost answered the question yourself only would I say the air pressure is high enough.