Why does an airplane always fall for a moment when it is climbing?

Many passengers have had this experience:

One or two minutes after the plane took off, there was a sudden brief "drop", as if the engine thrust was suddenly turned off, and the plane seemed to be falling!

This feeling only lasted for 1 or 2 seconds, and the plane continued to climb.

Whenever this happens, even passengers who have flown many times will inevitably feel nervous. What is this "falling"? Is there something wrong with the plane's engine?

In fact, the plane did not fall, and its speed and altitude did not decrease at all. The plane just reduced its thrust, and the flight acceleration also decreased.

The passengers in the cabin are individuals separated from the aircraft. At the moment when the acceleration of the aircraft decreases, the passengers continue to "fly" upward and forward at the original acceleration due to inertia.

At this moment, the plane is flying slower and lower relative to the passengers, so the passengers will feel that the plane is "falling" downward and backward.

Since reducing the thrust of the aircraft will cause a momentary inertia effect and affect the passengers' in-flight experience, why do we need to reduce the thrust during the climb?

👉 First, the thrust of the aircraft is reduced in order to keep the aircraft's flight speed within the low-altitude speed limit.

The plane is still relatively close to the ground during the climb phase. If it flies too fast, it will produce too much noise. There are many low-altitude aircraft and buildings, and the climate environment is more complex. Flying too fast will also affect safety.

👉 Secondly, reducing thrust can reduce engine wear and tear and fuel consumption, which can be said to kill two birds with one stone.

Also due to inertia, the passenger's heart, as an organ "suspended" in the body, will respond slightly later than the body to changes in acceleration at the moment the aircraft thrust decreases.

As a result, you will experience the illusion of palpitations and panic, thinking that you are nervous.

Source: Ume_trip (ID:ume_trip)