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Things You Need to Know About Drone Propellers

Quadcopter, which is sometimes referred to as quadrotor helicopter or drone usually lift by four propellers and rotors. In this article, we will discuss the types of propellers and their properties. This information will help you when you are going to buy a new propeller for your quadcopter. Things To Know About Drone Propellers.

Introduction

The propeller is like a fan of your drone that helps him lift in the air. Actually, they provide your drone torque and thrust that helps it in flying and manoeuvring. You have seen that helicopter has a propeller that helps him flying and manoeuvring. The drone works on the same phenomenon but it uses four propellers that help him stay stable in the air. This stability is important especially when you are using your drone for taking photos and videos. If your drone is not stable then you will not be able to shoot perfectly in the air. The propellers produce thrust which is the force generated upwards and usually measure in pounds or grams. The force of thrust produces by the propellers must be equal to the drone weight to keep it at hover or flying. The are several drones that are less than 250 grams or more than 250 grams.

The thrust to weight ratio (TWR) is used to indicate the upward thrust generated by the drone. It is advised to keep TWR ratio at least 2. Moreover, there are many videos available on the internet that can provide you with enough information about TWR and the functioning of the propellers. There are certain types of propellers and each one of them can generate different types of thrust. The propeller designed to spin clockwise or counter-clockwise.

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Folding Propellers

One of the types of propellers is folding propellers. These types of propellers are used in model aeroplanes and drones. They are folding propellers because the blades are folded on the outside when you start the engine and when you stop the engine, they automatically fold inside. In past, these types of propellers use only two-blade but now they are available with three and four propellers. You can buy these propellers easily online. There are many sizes available according to the client’s demand.

Pros and Cons

Normally, these blades make less noise and vibration. Moreover, they consume less fuel than any other type of propeller. But the main con is that the propellers performance is very poor and cost more than fixed propellers. Things To Know About Drone Propellers.

Propeller Pitch

Pitch is one of the things you need to know about the propellers. Actually, the pitch of a propeller is the measurement of how far a drone can move in a single rotation of the motor. The higher value of the pitch means faster your drone will be. If you want to change the performance of your drone, you can do it easily by changing the value of the pitch. Moreover, the angle of the propellers also has an influence on the lift of the drone. A cheap drone has low-pitch value, that is why the performance is very poor.

Actually, the drone fly in the air by generating thrust. The propellers do it by moving and spinning the air around them. If your propellers spin faster, then they can generate more lift. If you want to increase your drone’s performance, you can do it by increasing the pitch of the propeller. Things To Know About Drone Propellers.

Also, Read: 10+ Free Apps To Transform your Android Phone Into A Professional Camera [Download]

Size of The Propeller

Most of the people think that if we increase the size of the propeller, we can increase the speed of the drone. That is not true, because the speed of the drone or an aeroplane does not depend on the size of the propeller, it depends on the pitch of the propeller. Moreover, the surface area also helps in increasing the amount of thrust. Higher will be the thrust because more surface area moves the air around the propeller and increases the amount of thrust.

Also, Read: Use Your Android / iOS Mobile Phone as CCTV Camera (24 Hrs Online)

Bull Nose Propellers

Another new kind of propellers that are becoming very famous is the bullnose propellers. These propellers are very common in modern quadcopters. We already know that the surface area of the propeller is directly proportional to the thrust. This type of propeller works on the model f surface area. Anyhow, everything has its good and bad sides. If you increase the surface area, the thrust will be increased, but the propellers will draw more power and decrease the efficiency of the quadcopter. Things To Know About Drone Propellers.

 

Satish Varre

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