China3D printingNet May 6th, researchers from the Kongu Institute of Engineering in India have already3D printingWith a miniature Bluetooth-controlled drone, the drone may be able to evade capture in secret military operations.
The engineer’s X-shaped miniature quadrocopter measures less than 100 x 100 mm and can be manufactured with low-cost components, allowing it to be replicated inexpensively on an industrial scale. According to the team, their PLA-based drones have the potential to “fly between enemy forces” and perform intelligence collection and reconnaissance missions, eliminating the need for satellite surveillance and international espionage.
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Indian group mini3D printingDrone. Photos taken through “Today’s Materials: Conference Proceedings”.
UAV design innovation
Since the term “drone” was first used in 1946, the size and function of unmanned drones have changed dramatically and are now often deployed in traffic control, rescue and weather monitoring applications. Using low-cost sensors and everyday Bluetooth devices, it is easier than ever to build a drone capable of performing remote control or pre-programmed flight paths.
In terms of raw power, many of these quadcopters have sufficient computing power to perform calculations during data collection and meet the needs of daily civilian tasks. However, when it comes to more demanding aerospace and military applications, it is still difficult to integrate the processing power and error detection software required for detailed reconnaissance in a compact chassis.
In contrast, the growing3D printingAccessibility continues to unlock new applications for the technology, and Indian engineers now find that traditional Ultimaker FDM can be used 3D printingAs a way to create powerful remote control drones. Surveillance, flight stabilization and landing on any terrain.
The displacement model of the engineer’s drone. The picture comes from “Today’s Materials: Conference Proceedings”.
Build an evasive quadcopter
The team’s drones are integrated3D printingBased on the body, it has connectable wings to improve stability, and has a 65mm x 65mm flight controller, which is very small enough to fit into its compact frame. The helicopter’s other main motors, circuits, and battery components are all equally compact, but mainly composed of parts that are easily accessible online, ensuring its future accessibility.
Once the team built the prototype, they discovered that when the propellers of the device spin in the opposite direction, its cheap DC motors can provide lift. After a test drive, the drone was proven to be able to move in six directions via a Bluetooth-connected smartphone. The engineers found that it was a “easier task than using a transmitter and receiver.” “.
The team later chose to use SOLIDWORKS to simulate the collision and landing, instead of crashing their valuable assets during the test, and found that its fragile frame could only withstand pressures of up to 10 MPa. In addition, in a longer operation, the UAV can hardly fly continuously for ten minutes, which has caused significant limitations on its potential effectiveness in long-range military surveillance applications.
Despite this, engineers still believe that their devices can perform image capture in GPS-enabled mode and non-satellite mode, thereby providing them with precise navigation and map building functions. In addition, the team also determined that they can retrieve data through traditional SD cards or advanced AI devices, thereby providing potential VR capabilities for drones.
As a result, the researchers concluded that their micro-unmanned aerial vehicles have the shape, size, and affordability needed to deactivate “spy and surveillance satellites” in the future.
Large scale3D printingDrone
although3D printingThe concept of drones is far from new, but many existing drones are intentionally built on a larger scale, taking into account durability and demanding military applications.For example, Australian Metal3D printingAircraft manufacturer Titomic uses its Titomic Kinetic Fusion (TKF) technology to create what it calls “the world’s largest drone.”
The lightweight and durable UAV is made of fused dissimilar metals and has a total diameter of 1.8 meters, which can provide military-grade performance.Similarly, South African startup Aeroswift has previously3D printingA titanium drone with a height of more than 1.5 meters, although only to demonstrate its technical capabilities.
On a smaller scale, students at the University of Warwick have developed3D printingThe mountain rescue drone is designed to help deliver important supplies to those who need it in the mission. As part of the British government’s “Horizon” program, this unmanned aircraft proved to be capable of carrying a weight of 5 kg over a distance of more than 80 kilometers.
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