Flight is governed by 4 forces: lift, drag, thrust and weight/gravity. When all 4 forces are balanced, the drone is not moving in any direction -- it is hovering.

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​Principles of Flight

Principles of quadcopter Flight

The same 4 forces that govern flight, also govern drone flight.

​Climbing

Hovering​

Descending​

Vertical Movements

​Drone Turning in a circle to the right or left

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​​Rotational Movements

Movements forward, backward, left and right

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​​Horizontal Movements

Here is what can happen if you put propellers on wrong.

CLICK on the link

Controls Up and Down movement

​​Throttle

Controls rotation ​

​​Yaw

Controls Forward and Backward Movement

​​Pitch

Controls sideways or left and right movement

​​Roll

Study the drone and its parts.

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Tello Drone Parts

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