Why can t airplanes go up vertically?

Whether there are passengers or not, think about it, from a physical point of view, what are the wings of an airplane for, are they to look good?

If the plane flies vertically, there is no problem, but is that too costly? The weight of the aircraft, as well as all the air friction and the earth's gravity, have become the opposite of the power, in this case, just drink the principle of launching a rocket, there is not enough power, it can't be pushed at all, and the role of the wing is to share the pressure of the power, if it is vertical, it becomes an increase.

We've seen the ** of fighter jets rising vertically, right? Just a few tens of seconds, it is basically a test of the quality of the aircraft, so, in this regard, it is not that it can't, but the cost of paying, far greater than the return, why do thankless things?

It is related to the thrust vector of the engine, that is, the vector engine, which is very expensive, so civil aircraft are traditional engines, and vector engines are mainly used in fifth-generation fighters. The external propeller provides vector thrust for vertical take-off and landing, but this seriously restricts the flight altitude, so civil aircraft will not add a propeller for vertical take-off and landing.

It's not that you can't go up vertically, but the energy required for vertical rise is much greater than the energy needed to run and take off.

Vertical take-off is usually used in the lift-off of a rocket, which requires strong thrust to break through gravity.

And because of the use of vertical lifting, it needs to consume a larger amount of energy, so the aircraft needs to be loaded with larger and heavier fuel tanks, as well as power, so the final load capacity of the aircraft (here refers to people, cargo, vehicles, etc.). It decreases with the fuel and powertrain loaded.

The air density above is different from that below, and the flow velocity is different, which will cause drag to the left or right, preventing the plane from going vertically upward.

The weight of the aircraft, as well as all the air friction and the earth's gravity, have become the opposite of the power, in this case, just drink the principle of launching a rocket, there is not enough power, it can't be pushed at all, and the role of the wing is to share the pressure of the power, if it is vertical, it becomes an increase.

What if I told you: a helicopter can rise vertically.

Then you will definitely say: you are stupid to me, of course I know that helicopters can go vertically, I am asking about fixed-wing aircraft.

In fact, it is not for nothing that fixed-wing aircraft can rise vertically, such as the American F35B, which supports vertical take-off and landing.

However, it is only for take-off and landing, because it is not used at other times, and it flies too slowly.

If you have to say that one rises vertically and flies fast, then there is only a rocket.

The fixed-wing aircraft in service now do not have vertical ascent, vertical landing, and it is not known whether there will be one in the future.

Now the one in service can rise vertically, and the vertical landing will only be ***.

Helicopters can go up vertically.

Yes, but that's called ***, not an airplane.

There is an airplane that can go up vertically.

The plane has no passengers inside and is fully automatic.

Except for helicopters, the difference in flight altitude of other aircraft is mainly caused by the following primary causes:

1.Model and design: Different aircraft have different designs and performances.

Some aircraft are designed for long-haul international flights, while others are designed for short-haul flights in low-altitude areas. High-altitude drones, for example, often have unique designs and materials that allow them to adapt to high-altitude environments.

2.Air traffic control: Air traffic control has a very high impact on flight altitude. At busy airports or flight paths, controllers may prescribe specific flight altitudes to avoid collisions or collisions.

3.Weather conditions: Weather conditions may affect the flight altitude. In adverse weather conditions, such as strong winds, thunderstorms, or ice crystals, the aircraft may choose a higher flight altitude to avoid danger.

4.Fuel efficiency: For long-haul flights, pilots may choose a higher flight altitude to reduce air resistance and improve fuel efficiency. Whereas, on short-haul flights, pilots may choose a lower altitude to improve visibility and safety.

5.Training and licensing: Pilots in different countries and regions may have different training and licensing requirements. These differences can cause them to differ when choosing the altitude to fly.

In general, the flight altitude of an aircraft is determined by a variety of factors, including aircraft design, air traffic control, weather conditions, fuel efficiency, and pilot training.

1 is due to the different performance of the aircraft, so the aircraft should also be divided into several generations. It's like some athletes jump high, and some don't jump high.

2. Due to air traffic control reasons, planes in different directions and different flights are flown at different hand lift altitudes to prevent collisions. Envy is like a traffic police officer in the city.

When we go to the airport to see off friends and family, we will see planes whizzing off from the runway, higher and farther away, and finally disappearing from our sight. But have you ever paid attention to ***? The planes we see on TV for search and rescue are all ***, which can not only take off on the spot, but also land on the spot.

So, why can the bamboo dragonfly take off vertically for the invention of modern dragonfly, although the modern dragonfly is ten million times more complex than the bamboo dragonfly, but its flight principle is similar to the bamboo dragonfly. The modern rotor is like the blade of a bamboo dragonfly, the rotor shaft is like the thin bamboo stick of the bamboo dragonfly, and the engine that drives the rotor is like the hands of the bamboo stick that we rub hard. There is a main rotor on top of the main rotor, and there is an inclination between its blades and the horizontal rotating surface, and the greater the inclination, the greater the lift.

When the engine drives the main rotor to rotate, the rotating blades push the air downward, forming a strong wind, and the air also gives an upward reaction lift, when the lift is greater than the earth's gravitational force on the fuselage, it can take off vertically.

How does it work to take off? After watching 3D**, I realized that I was thinking too simply! Science and technology fun, wonderful, hunting, airplane, ***, black technology, popular science, scientific experiments, cold knowledge, science and technology anecdotes.

Summary. It is impossible for the nose of the aircraft to fly vertically downwards, because the aircraft is both subjected to gravity and needs aerodynamic support, and if the nose is completely downward, it is perpendicular to the forces of the atmosphere, and at the same time it loses its support and cannot maintain the flight state. In addition, when the aircraft flies vertically, it faces many problems, such as the control of flight speed, the special design of the fuselage structure and power system, etc., so it is very difficult to achieve.

I'm sorry I don't understand, but can you elaborate on that?

It is impossible for the nose of the aircraft to fly vertically downward, because the aircraft is not only affected by gravity, but also needs aerodynamic support, if the nose is completely downward, it is perpendicular to the force of the atmosphere, and at the same time, Nabi also loses the support and cannot maintain the state of flying blindly. In addition, when the aircraft is flying vertically, it has to face many problems, such as the control of the flight speed, the special design of the fuselage structure and power system, etc., so it is very difficult to achieve.

Summary. It is generally impossible for the nose of the aircraft to fly vertically downwards. This is because the design and operating principle of the aircraft requires that it must maintain a certain aerodynamic stability in order to maintain balance and control.

When an aircraft flies vertically with its nose down, it loses stability, the engines and wings are ineffective, and the pilot's control surfaces are ineffective. Therefore, this flight state is unsafe and unfeasible for modern aircraft.

Fellow, I really didn't understand, I can be more specific.

It is impossible for the nose of the aircraft to fly vertically downwards. This is because the design and operating principle of the aircraft requires that it must maintain a certain aerodynamic stability in order to maintain balance and control. When a key aircraft flies vertically with its nose facing down, it loses stability, the engines and wings become ineffective, and the pilot's control surfaces lose their function.

Therefore, this roll-forward flight state is unsafe and unfeasible for modern aircraft.