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The Basic Component of UAV Propeller

Without a propeller, a drone is like a stone. Unfortunately, when people want to save money, they first think about the propeller. This idea is wrong, because the price of a propeller is closely related to its quality. It's really cost-effective to buy a cheap propeller, and the drone can fly happily for a period with it. But, sooner or later, the propeller you bought for a few dollars will fly into pieces, and your beloved drone may be damaged because of the broken parts of a few dollars. So it is not recommended to save money in this place. Propellers sold by different manufacturers mainly have three indicators: material, diameter, and pitch. The driver should prepare a few more propellers, because the UAV propeller is often the first component to break.


Material of drone propeller


At present, the materials used by drones are wood, plastic, glass fiber, carbon fiber, etc. Let's take a look at the advantages and disadvantages of several materials after making propellers.


1. Wooden propeller

Wooden propellers: Wooden propellers are the propeller materials that have been used since the invention of aircraft. Whether it is a drone or a manned aircraft, its use has never been interrupted. The advantages of the wooden drone screw are light weight and easy processing. The cost is low, and its disadvantage is that the production process is cumbersome and the finished product precision is low. The vibration degree of the wooden propeller during flight is relatively moderate.


2. Plastic propeller

Plastic propeller: The advantages of the plastic drone propeller are easy processing, low cost, high mold processing precision, light weight, and its shortcomings are low strength and easy to break the propeller.


3. Carbon propeller

Carbon propeller (composite material): With the development of science and technology and the demand for drone propeller flight, glass fiber and carbon fiber propellers have entered the market. Glass fiber is characterized by high mechanical strength and elastic coefficient, and low price, but it has shortcomings such as brittleness and poor wear resistance. The advantages of carbon fiber are light weight, high tensile strength, and friction resistance. The disadvantages are that the material is brittle and cannot be repaired, difficult processing, and high production cost. Due to its high strength, carbon propellers produce higher vibrations during flight.


Drone propeller parameters


There will be a string of numbers on the drone propeller, for example: 8743. What do these four numbers mean? The first two digits 87 mean the diameter of the drone's spiral, in inches (1 inch = 2.54 cm), but everyone needs to note that this propeller is 8.7 inches, not 87 inches. The last two digits 43 represent the pitch (the meaning of the pitch is the distance that the propeller will rise or advance if one rotation of the propeller in a non-flowing medium). The propeller pitch of the drone is always more than 30, so the pitch of this propeller It is 4.3 inches.


The Basic Component of UAV Propeller
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ifly@idea-fly.com
0755-23110006