How do airliners climb to such high altitudes without stalling?

Question

Ok. Ive wondered this question ever since i bought flight sim X. Every time i have to climb up to the 30000 s i stall!! So how do ther airliners do it? Because if i dont stall, ill either only be climbing very little or ill be waaayyyy overspeed!! Pilots. I need an answer! lolxx

Answer 1

planes only have problems at altitude due to high altitude because the air becomes to thin for the wing to get lift/and or too thin for the engines to function. A stall is just a loss of lift due to reduced airflow over the wing. The most common cause for an aircraft to stall is too steep of a climb. I believe large commercial airliners climb at full power at a 15-25 degree attitude afteer takeof . It sound like you are either in a small aircraft (in which you want to maintain around 10 degree attitude), or you are pulling up to steep. I hope this helped... also, lover not a fighter is incorrect. The p-38 had a ceiling of 44,00 feet.

Answer 2

lots of thrust from the engines and computers helping out w/ the physics to make sure you dont stall

Answer 3

because they are not using props, and they are made to fly that high.

Answer 4

If you maintain the correct airspeed and pitch angle, you will not stall.  

Stalls occur when the wing meets the oncoming air at an excessively steep angle; beyond a certain angle, the critical angle, the air burbles and churns over the wing, destroying its ability to generate lift.

High speed tends to make the angle of attack (the angle mentioned above) more shallow, and helps prevent a stall.  Similarly, lowering the nose of the aircraft so that it isn't pitched up so steeply also tends to reduce the angle of attack, preventing a stall.

In your case, either you are allowing your airspeed to drop too far or you are setting the pitch of the aircraft too high.  Make sure you retract flaps on schedule, also, and of course do not forget to raise the gear.

Most airliners execute their climbs under computer control, and the computer produces a climb optimized for rate, distance, fuel economy, or whatever the pilots select.  Any good airline pilot can also execute a fairly optimal climb while flying by hand.

Your rate of climb will be substantial after take-off, but it will diminish as the aircraft goes higher.  If you try to maintain a constant rate of climb with the autopilot, you may stall.

If you want complete realism, buy one of the payware airliner add-ons for MSFS.  They are a zillion times more accurate and realistic than the default airliners provided with the sim, and you can learn a lot more about climbing properly and efficiently with them.

Answer 5

You're vertical speed is too much. I usually climb between 1800 and 2500 feet per minute. And keep your airspeed around 320 knots.

      Oh yea, by the way....stalls can occur at any pitch or speed. So any angle you can stall.

Answer 6

Planes stall because of the steep ANGLE of climb

Then engines stall if they are flown higher than rated altitude.  But jet engines have compressor blades (effectively a super charger) that compresses the air and can easily breath at high altitude.

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Only jet engines can fly that high. The BEST piston engine was in a P-38 WW2 fighter with supercharger. And even they can only fly to 25K feet altitude.

good Luck...

Answer 7

First thing, not all jets can go that high, and some have extremely poor rates of climb up there.

Lets say the Ceiling of the aircraft is 40kft. That means at 40k, the aircraft will only be able to climb 100ft a minute. Even at 30k the rate of climb would still be extremely low.

I think you are expecting too much out of the plane, it usually take 10-15 minutes to reach any decent altitude.

Answer 8

absolutely every answer wrong and i'm not wasting my time on a sim toy question. why do people even think they can understand aerodynamics flying home sims jeez.

Answer 9

From a previous answer:

"High speed tends to make the angle of attack (the angle mentioned above) more shallow, and helps prevent a stall. Similarly, lowering the nose of the aircraft so that it isn't pitched up so steeply also tends to reduce the angle of attack, preventing a stall."

The angle of attack is what controls the airspeed, not the other way around as stated. Also, the engine power control altitude.

If you increase engine power but keep the wings at the same attitude you will climb.

If you increase angle of attack and leave the engine at the same power setting you will slow down.

The lift is a mathematical formula which is:

L = 1/2 * rho * V * V * S *cl

where rho is the air density, V is the speed, S is the wing area, and cl is the coefficient of lift which is dependent on angle of attack.

Drag is similar:

D = 1/2 * rho * V * V * S * cd

where cd is the coefficient of drag which is also highly dependent on angle of attack (among other things).

The stall happens when  the wing can not make enough lift to hold the aircraft in the air which can happen because of to low of speed, too high of angle of attack, not enough air density....