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    Drone Propellers- Things You Need to Know

    A drone consists of a quadcopter or octocopter that helps him fly and manoeuvre in the air. Most of the drones use quadcopters which has four rotor and motors. The safety of the propellers is very important. Because when they break, you will not be able to fly your drone. In this article, we are going to discuss the properties and types of propellers. For beginners, we have compiled the list of affordable Top Micro/Mini Drone. You can choose any of these best drones according to your budget and requirements. The information we are going to share in this article will help you know about the types of propellers and will help you know when you need a new propeller for your drone.

     

    Introduction

    A propeller basically helps lift the drone in the air. Moreover, it also provides the thrust and torque to the quadcopter that helps it manoeuvre and flies in the air. A drone is like a helicopter, which also use propellers to fly and manoeuvre in the air. The theory of the drone is the same like helicopters but in this case, it uses four or six propellers that help hit stay stable in the midair. The reason we want our drone to be stable in the air is that the drone usually uses for taking aerial videos and pictures. An unstable drone will not be able to take steady pictures or videos in the midair.

    Actually, it works by thrusting the air down to generate an upward lift which is measured in grams or pounds. On the physics rules, the thrust must be equal to the weight of the drone to lift it up in the air. Heavier drone means, you need more powerful motors and propellers.

    We use thrust to weight ratio to determine the value of the upward thrust generated by a drone. The recommended value of TWR should be at least 2. You can also search the internet if you want to know more about the TWR and other functions of the propellers. There are many types of propellers available on the market that has a different thrust to weight ratio.

    Folding Propeller

    The folding propeller is a type of propellers which is used in many drones and aeroplanes. We called them folding because it is folded on the outside when we turn the motors on. The early version of these types uses only two blades but now they are available with three and four propellers. They are easily available on the market in different sizes.

     

    Advantages and Disadvantages

    Every type has its advantages and disadvantages. The main advantage of the folding propellers is that they make less vibration and noise and can be used for surveillance. Moreover, it also helps save fuel. The disadvantage of these propellers is that they are very costly compared to other propellers and the performance is also very poor.

     

    Bull Nose Propellers

    Bull Nose is another new type of propellers which is becoming very famous. Most of modern drones use these types of propellers. In this type, the surface area is increased to improve the thrust of the drone. Increasing the surface area of the propellers increases the thrust but it increases the fuel consumption and decreases the efficiency of the drone.

     

    Pitch

    Pitch of the propeller is an important thing to know. It is actually the measurement of how far a drone can move in the air in a single rotation of the motor. It means if you have a higher value of the pitch then your drone will move faster. This term is very important for you if you want to make some alternations in your drone. Another thing that influences the performance of a quadcopter is the angle of the propellers. We told earlier that a drone flies in the air by generating thrust and if you are able to increase the spinning of the propellers, you can increase the upward lift and overall performance of the drone.

     

    Size of The Propeller

    Some people increase the size of the propellers to improve the overall performance of the drone. They think that they can easily increase the speed of the drone in this way. But it is not right, by just increasing the size, you cannot increase the speed of a drone. The speed of the drone depends on the pitch and the surface area. You can increase the thrust of the drone by increasing the pitch and surface area but it will decrease the efficiency of the drone.

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    Drone Propellers- Things You Need to Know 2
    Maitreya Patni
    Maitreya is the Founder and Chief Editor at Broodle. He loves helping people around him to get through the day to day trouble they face with technology. So that, they can love technology as much as he does!
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