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DRONE FLIGHT

DRONE FLIGHT

FLY HOPPER

Drone Flight


While the forces of flight are the same for all air vehicles, they act a bit differently on a drone than they do on a winged aircraft. Unlike most winged aircraft, drones move vertically up and down, side to side, forward and backwards, and can hover. Let’s look at how the forces of flight work to allow them to do this. 



Vertical Up

Our drone creates lift with its propellers. It will take off or climb when all four propellers are given equal thrust, and that thrust is enough to overcome weight and drag.


Vertical Down

Drones descend when power is reduced to the propellers, producing less thrust, allowing weight and drag to overcome lift.


Hover

Drones have the ability to hover, which is defined as “to remain at the same place in the air".  

Hovering is achieved when the Four Forces of Flight are all equal to one another.



Flight Maneuvers: 

 

  • Roll - The movement an aircraft makes around the Longitudinal Axis

  • Pitch - The movement an aircraft makes around the Lateral Axis

  • Yaw - The movement an aircraft makes around the Vertical Axis


Roll Right: 

A drone rolls right by increasing the speed of the two motors on the left side, while slowing down the speed of the two motors on the right side. This creates thrust in the intended direction (right) while lift and weight remain equal.


Roll Left: 

 A drone rolls left by increasing the speed of the two motors on the right side, while slowing down the speed of the two motors on the left side. This creates thrust in the intended direction (left) while lift and weight remain equal.


Pitch Forward: 

A drone pitches forward by increasing the speed of the two motors on the back while slowing down the speed of the two motors on the front. This creates thrust in the intended direction (forward) while lift and weight remain equal.


Pitch Backward: 

A drone pitches backward by increasing the speed of the two motors on the front while slowing down the speed of the two motors on the back. This creates thrust in the intended direction (backward) while lift and weight remain equal.


Yaw Right:

A drone yaws right when the rotational speed of the front right motor and the back left motor are increased.


Yaw Left:

A drone yaws left when the rotational speed of the front left motor and the back right motor are increased. 

Aerodynamics

The science of how objects move through air

Altitude

The height of an object in relation to sea level or ground level

Aviation

Flying within the Earth’s atmosphere

Drag

The force that acts against an object in motion

Flight

Flight is the process of moving through the earth’s atmosphere (or beyond) without touching earth’s surface.

Hover

To remain in one place in the air - all forces of flight must be equal

Lift

The force that causes an aircraft to rise while in flight; created when air passes over and under an airplane's wings

Pitch

The movement a drone makes along the lateral axis

Roll

The movement a drone makes along the longitudinal axis

Space Flight

Flying through the vacuum of space is called Space Flight.

Thrust

The force that allows an aircraft to move forward; allows an aircraft to overcome weight and produce lift; created by a motor turning a propeller

VLOS

VIsual Line of Sight - drone is visible to the pilot without any devices like binoculars

INTRODUCTION

SCIENCE OF FLIGHT

FOUR FORCES OF FLIGHT - A CLOSER LOOK

DRONE FLIGHT

SAFETY

FLIGHT CONTROLS - FTW FLY

FLIGHT CONTROLS - CONTROLLER

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