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Modern airliners themselves have a better ability to extinguish fires and suppress explosions, so everything is easy to do as long as they are on the ground.
In general, there is no shortage of runways.
If the engine is on fire, an engine fire extinguishing system can be used.
But generally this situation will not occur, to appear also to divide whether it is the engine**, if not, it is more convenient to deal with.
1) Landing (in this case, the runway is definitely sufficient).
If the plane is at the near end and all the engines catch fire and fail (this is almost a zero probability event), regardless of whether the plane lands on 3721 and then brakes, the runway will definitely be enough. If a single engine catches fire, turn off the ignition engine, and land in a go-around landing, this power is definitely enough.
If it is after grounding, it really wants to appear, the brake is turned to the maximum, simply make it a shutdown brake, the intact engine is all turned on the thrust, the speed brake is opened, the flap is opened to the maximum, the push rod is pushed to the end, and all the wing surfaces are used to increase the resistance.
2) In this case, the runway should also be sufficient.
When the aircraft takes off, it is necessary to determine three speeds, V1, VR, V2, corresponding to the interruption speed, wheel lifting speed, and ground clearance speed. V1 interrupting speed means the maximum braking start speed that can ensure a safe stop within the current runway length, and can stop at this speed.
VR corresponds to the speed at which the front wheels are lifted, and the engine catches fire beyond this speed, if a single engine catches fire, or there is still one engine left, it takes off forcibly, and then makes a forced landing (this thing has happened, and the 757 at Heathrow International Airport in the United Kingdom has a single flight and a forced landing).If all engines are ** (which can be said to be an impossible event), the brakes are turned to the maximum, the airbrakes are opened, the flaps are opened to the maximum, and the push rods are pushed to the end, using all the wing surfaces to increase the drag.
After V2, if the engine is intact, it will take off forcibly, and the aircraft with the fuel drain system will throw most of the fuel into the air and then make a forced landing.
If all the engines were on fire, this would not have been possible. Slowly push the rod to the ground at a low height, then change the direction of the nose, drive to the lawn, brake to the maximum, open the speed brake, open the flaps to the maximum, push the rod to the end, and use all the wing surfaces to increase the resistance. When the altitude is high, I release all the oil and control the airplane to fall into the lawn with the energy of the EPU.
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The general practice is to turn the plane to the lawn on the side of the runway, because the lawn on the side of the airport runway is originally a deceleration runway that can be used for emergency landing, so the consequence is basically that the landing gear is damaged on the lawn and slides on the belly to slow down.
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If there is a fire, extinguish the fire first, what about the brake carriage?
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Before landing, the aircraft must first aim at the runway. The plane flies at an altitude of more than a kilometer at a speed of several hundred kilometers per hour, and the process of landing gradually is quite difficult
1. It is necessary to gradually slow down, descend in height, align with the center line of the runway, without the slightest deviation and error, and just fall in the grounding area on the runwayIf the ground is too early, the plane will sink into the land without a surface; Ground too late, the braking distance is not long enough, and the plane will rush off the runway.
2. The aircraft must be at a suitable angle with the ground when descending, generally between 3 degrees and 5 degrees. If the angle is too large, the aircraft will hit the ground hard, which will cause the passengers in the aircraft to be shocked and uncomfortable, and the structure of the aircraft will be damaged.
Completing this series of maneuvers in a very short period of time requires full concentration and accurate maneuvering to ensure that nothing goes wrong, which is indeed a very difficult skill to master. In the past, pilots mainly relied on hard work and flying experience to ensure the safe landing of the aircraft.
After the 50s of the 20th century, an instrument that can help the driver perform precision approaches, the instrument landing system, was introduced. The pilot can now rely on the instruments to land the aircraft accurately, and the use of this system greatly reduces the probability of accidents during landing.
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How is the landing of the plane aligned with the runway?
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How is the plane aligned with the runway when landing? A little trick of the captain, I understood it instantly after listening to it!
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With a combined landing system, I intercept glide lines and aim to run.
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It's similar to a car.
The ABS system is evolved from the anti-hysteresis brakes on the aircraft.
Most of them are hydraulic brakes, with fly-by-wire and mechanical transmission.
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All aircraft are only available if there are brake pads on the landing gear (rear landing gear) and the foot is pressed on both pedals at the same time, but the brakes on the landing gear are only used when the runway is used. There are two systems to help slow down when flying: 1. The spoiler (commonly known as the speed brake), which can be flipped up when it is to be slowed down, but it will affect the lift and make the aircraft sink.
2. The deflector in the turbofan engine can increase or decrease the air intake of the engine by adjusting the angle, but the aircraft may shake when decelerating.
When the aircraft lands until it hits the road, a sensor on the landing gear is triggered, and the spoiler automatically flips up, causing the aircraft to lose most of its lift and thus no longer bounce. At the same time, the pilot turns on the thrust reverser (directing the engine's gas forward and spraying it), which, together with the brakes on the landing gear, is a good deceleration system.
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The aircraft braking system is used to control the operation of the wheel brake device. During the landing run, the brake pressure must be adjusted at any time according to the changing runway conditions.
1. The aircraft brake system is used to control the work of the wheel brake device. During the landing run, the brake pressure must be adjusted at any time according to the changing runway conditions. When the aircraft is turning on the ground, it also needs to control the brake pressure difference between the left and right wheels.
Therefore, the central problem of the brake part is to adjust the brake pressure, so they are equipped with accessories such as brake regulators. The braking system of modern high-speed and heavy-duty aircraft is also generally equipped with automatic brake pressure adjustment device.
2. The brake system is produced by the horseshoe crab with air conditioning or hydraulic transmission. Most of the light aircraft use air-conditioning brakes, because the action of the air-conditioning brakes is fast, and the weight of the brake part is light: the volume of the actuating cavity of the brake disc of heavy aircraft is larger, and the required brake pressure is also higher, so hydraulic brakes are generally used.
3. The basic principle of adjusting the brake pressure of the air conditioning and hydraulic brake systems is the same, that is, according to the different degrees of the pilot's control of the brakes, the pressure regulating spring in the brake regulator is compressed to different degrees, so as to maintain different brake pressures.
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The reason is mainly because the runway keys are not flat enough, and sometimes because of the aircraft braking. It doesn't matter if you don't tease this kind of situation, just like the shaking phenomenon can occur when you take a bus.
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How is the landing of the plane aligned with the runway?
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。。。Just ask you a question, when you drive, do you press the brakes and the car stops? Obviously not, but taxiing for a period of time, and this taxiing distance is related to the weight and speed of your car, the War Thunder plane is also like this, a taxiing can only mean that you are landing too fast, even the brake wheels can not quickly offset the high-speed energy, you need to coast for a long time.
You are in arcade mode, if it is all true, landing too fast is not a problem of not being able to brake the car, but directly the landing gear is damaged, and the plane is crashed. Before landing, reduce the speed.
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That doesn't work even if it drops to 1%, that's the throttle valve, which is equivalent to the throttle. You have to keep it down to 0%, and you have to hold down B to slow it down. Sometimes it will cause the propeller to hit the ground, and you will have to put the brake button B for a short time
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The so-called braking of the aircraft is to slow down. Sudden flameout, that's called an accident!
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Of course, the braking force of the aircraft is the main deceleration force of the aircraft when it lands on a clean runway. The aircraft braking system mainly has the following parts: control system, anti-hysteresis system and action device.
The control system is manual and automatic, and the manual braking relies on the pilot's foot to press on the top of the rudder pedal to implement the brake. Generally, the pilot's action requirements are high, and it is necessary to be soft and uniform in time to obtain higher braking efficiency. Automatic braking is the pilot in the automatic brake selector to select the required braking force, the aircraft after the main wheel of the aircraft is grounded, the aircraft automatically starts the braking system, generally automatic braking six gears, rto, off, max.
where RTO is used to interrupt takeoff. The stagnation system is similar to the ABS of the car, preventing the wheel from locking and dragging the tire when the aircraft brakes, and the aircraft brake with the anti-hysteresis system can be stepped on to the end. The actuators are the brake pads and discs and the action cylinder.
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Of course, there are brakes, and the aircraft braking is mainly by braking, generally taxiing on the ground, is the pilot at the same time to press the rudder on both sides, that is, the brakes, when landing, the aircraft is used automatic braking, when the main wheel of the aircraft landing, and the throttle is slow, the automatic braking will work, now Boeing's automatic braking is divided into 5 levels, respectively, 1 4 gears and MAX gear, the general landing is also the maximum to 4 gears, MAX is generally used in an emergency when landing, and there is also an automatic braking when taking off, which is called RTO gear The braking effect is the same as the MAX gear, which is the maximum braking, but the RTO gear is only used for takeoff, and the Airbus aircraft only has three braking gears, which are low, mid and max, which are generally the first two, and MAX for takeoff and emergency
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Yes. If you don't brake, how can the plane stop? For example, the last time at the Moscow Air Show, a T50 was about to take off, and while taxiing at high speed on the runway, one of the engines suddenly burst into flames.
The pilot immediately applied the brakes and released the parachute, stopping it to avoid an accident.
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The plane is not called a brake, and when the plane lands, there is something similar to a parachute in the back, but usually only on fighter jets. Ordinary airliners are not installed.
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Large aircraft such as civil aircraft and military transport aircraft have brake systems, hydraulic! Fighter jets are fast with parachutes! Carrier-based aircraft are all tail hooks hooked to arrest cables!
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There are brakes, which achieve aircraft speed through the angle of the wing flaps.
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Yes, the brakes are automatically activated as the wheels open.
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The plane lands with a speed brake thrust reverser.
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The engine is the power system of the aircraft during the flight, so it needs to be turned on all the way, and I will briefly describe the process from the final approach of the aircraft to the stop in place
First, the plane lowers its flaps, slows down to the speed of landing, turns on the automatic brakes, and lowers the landing gear.
Grounding of the main wheels, opening the spoiler (speed brake), turning on the engine, thrust reverser, reducing the deceleration speed to less than 25 knots, leaving the runway and taxiing to the parking position.
Arrive at the parking stand, turn on the shutdown brake, turn off the engine, dock the bridge and dock with the aircraft door, and the passengers get off the plane upstairs is not very correct The engine of the aircraft is started when the aircraft is pushed open (that is, the stage of departure from the parking stand), and the shutdown brake is turned on after arriving at the destination, rather than when the passengers are loaded on the cargo (civil aviation has strict regulations, so as to avoid the occurrence of personnel **), and before starting, the aircraft is generally powered by APU (auxiliary power unit), which can sometimes be found when taking the plane, When the plane first starts moving, you will hear the engine sound change from small to loud (engine start), and the cabin lights may flicker (the stage when the power supply is changed from the APU to the engine).
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Have you ever flown on?
Generally, passenger aircraft engines run for a long time and do not turn off.
It's just divided into high-speed operation and low-speed operation.
From the beginning of take-off to the lifting of the wind deflector of the landing runway, the engine is running at high speed, as anyone who has ever sat knows it, because the aircraft engine is very noisy and deaf.
Because the aircraft has a high demand for electricity, the engine must be turned on to drive the generator to work and supply power, and it is impossible to use its own battery for a long time.
The only way to stop the engine is to change the captain, the pilot, the flight route, and so on.
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Why turn off the engine. If you turn it off and can't re-ignite it, won't it be dead? Looking for death?
From the cruising route, reduce the altitude and speed to enter the approach route, slow down to about 300km h, finally approach, land the brake, and stop at the parking position before turning off.
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Under normal circumstances, it is to slow down, release the flaps, adjust the elevation angle between the fuselage and the ground, and land the brakes, and the engine is in the idle stage in order to be able to cope with an emergency go-around.
If it's an old car and a second country, you can find a few people to push the cart, and the speed is fast and it's in gear, pushing. After the third country, you need to give enough electricity to let the engine reach a certain speed. You can call the repair shop to bring the battery over and troubleshoot the problem.
When encountering brake failure, the first thing to do is to calm down, do not operate casually, grasp the steering wheel, release the accelerator pedal, turn on the hazard warning lights (double flashing lights), try to step on the brakes a few more times, once the brakes have an accident, you must know how to repeatedly press the brakes several times, which will put pressure on the braking system with air in the oil pipe, and it is possible to recover part of the braking force. >>>More
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