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LKJ86

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Chinese scientists build unmanned amphibious aircraft
Source: Xinhua | 2021-04-20 20:41:51 | Editor: huaxia

SHANGHAI, April 20 (Xinhua) -- Chinese scientists have developed an amphibious unmanned aerial vehicle that can take off and dive underwater.

Named after Nezha, a beloved Chinese mythological figure, the aircraft design features fixed wings on either side of the fuselage and rotors on the top. The rotor arms can be folded after the aircraft dives in the water and unfolded when it surfaces.

The aircraft was built by researchers from the Shanghai Jiaotong University after a five-year study, which was recently published in the international journal Ocean Engineering.

The design integrates the concepts of underwater glider and unmanned aerial vehicle, enabling it to fly, hover in the air and land on the water and dive, said co-author Zeng Zheng, an associate researcher at the university's School of Oceanology.

"Conventional wisdom has it that no aircraft can make a flight and a dive simultaneously. We invented Nezha to break such a stereotype, allowing it to travel freely through air and water," Zeng said.

According to the researchers, the patented aircraft can work at a depth of 50 meters underwater, and it has a max load capacity of 5 kg. It was tested last year in Qiandao Lake, in east China's Zhejiang Province, and it will undergo sea trials this year in the South China Sea.

Nezha can be widely used in maritime search and rescue as well as marine science and engineering, experts say.
 

j20blackdragon

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That's one is bada5s. With 22,000kg MTOW and 6,000kg Payload.

Definetly a Strategic UCAV bomber league 😳 crazy
Yes, and 7,000km range.

This thing is a monster.

Everyone should keep in mind that the info regarding this UCAV are not fanboy rumors. It is coming from the company itself. Zhongtian Feilong made the announcement on its official WeChat account. They are the ones comparing the FL-2 directly to the B-21. So don't be surprised if the payload is actually higher than 6,000kg, otherwise why make the comparison?

A lot of Western defense analysts weren't paying attention during the previous Zhuhai Air Show. I think they have your attention now.:agree:
 

JSCh

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China unveils latest drone
countermeasures at radar expo

By Cao Siqi and Liu Xuanzun in Nanjing
Published: Apr 23, 2021 02:41 PM Updated: Apr 23, 2021 07:44 PM

An S-band 3D TWA low-altitude surveillance radar developed by China Electronics Technology Group Co is on display at the 9th World Radar Expo in Nanjing, East China’s Jiangsu Province on April 23, 2021. Photo: Cui Meng/GT

An S-band 3D TWA low-altitude surveillance radar developed by China Electronics Technology Group Co is on display at the 9th World Radar Expo in Nanjing, East China’s Jiangsu Province on April 23, 2021. Photo: Cui Meng/GT


With aerial drones becoming an increasing threat to both traditional and non-traditional security fields, China has developed a series of countermeasures. Some of these new technologies are on display at an ongoing radar show.

Developed by the No.14 Research Institute of the state-owned China Electronics Technology Group Corporation (CETC), the YLC-48 portable multipurpose reconnaissance radar is one of the star products exhibited at the 9th World Radar Expo. The event is being held from Thursday to Saturday in Nanjing, capital of East China's Jiangsu Province.

The YLC-48 is characterized by its small size, as it can be carried by a single soldier, making it very different from other radar systems of similar functionalities. And it's China's first portable phased array radar, the Global Times learned on Friday from the No.14 Research Institute at the expo.

An S-band 3D TWA low-altitude surveillance radar developed by China Electronics Technology Group Co is on display at the 9th World Radar Expo in Nanjing, East China’s Jiangsu Province on April 23, 2021. Photo: Cui Meng/GT

An S-band 3D TWA low-altitude surveillance radar developed by China Electronics Technology Group Co is on display at the 9th World Radar Expo in Nanjing, East China’s Jiangsu Province on April 23, 2021. Photo: Cui Meng/GT

Dubbed the "terminator of drones," this radar has an good ability to detect low-altitude, small and slow targets despite strong noise waves close to the ground. And it can effectively detect and track incoming targets from any angle, its developer said.

According to a statement the No.14 Research Institute sent to the Global Times, the YLC-48 uses a large number of digital integrated circuits, and it can be mounted on all kinds of lightweight weapons platforms, can conduct missions under all-weather conditions, and can be rapidly deployed and withdrawn.

The No.14 Research Institute has also developed the AUDS high-mobile anti-drone system based on the YLC-48. This system can greatly enhance China's public safety and low-altitude security defense capabilities in sensitive regions, the institute said.

The S-band 3D TWA low-altitude surveillance radar developed by the No.38 Research Institute of CETC. Photo: Courtesy of CETC
The S-band 3D TWA low-altitude surveillance radar developed by the No.38 Research Institute of CETC. Photo: Courtesy of CETC

Another anti-drone radar system, making its first public appearance at the expo, is the S-band 3D TWA low-altitude surveillance radar developed by the No.38 Research Institute of CETC.

This radar system can simultaneously detect and track targets including low-flying cruise missiles, warplanes and small drones; it can provide information including distances, locations, heights, speeds and directions, CETC said in a statement sent to the Global Times.

It will be deployed in key locations like cities, nuclear plants and military facilities, its developer said.

The S-band 3D TWA low-altitude surveillance radar developed by the No.38 Research Institute of CETC. Photo: Courtesy of CETC
The S-band 3D TWA low-altitude surveillance radar developed by the No.38 Research Institute of CETC. Photo: Courtesy of CETC

Over the past few years, drones have been getting more civilian and military applications. But mostly, their usage is unauthorized and not monitored, making them a great potential aerial threat, analysts said.

Low-altitude, small and slow targets like drones poses many threats to air defense, as they have become some of the major killing weapons in real combat, Hu Mingchun, director of the No.-14 Research Institute, told the Global Times in an exclusive interview on the sidelines of the expo on Thursday.

As drones have also become easily accessible to normal people, incidents involving unauthorized flying of drones are also becoming frequent, Hu said. "That is why we are bringing radar systems specially designed to deal with low-altitude, small and slow targets."

Detecting drones is difficult because of their small size and also because they often fly low. Noise waves from the ground often disrupts radar signals, said Zuo Qunsheng, chairman of China Radar Industry Association.

But the Chinese radar industry has done a lot of work and already dealt with many problems well, Zuo said.

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Daniel808

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Yes, and 7,000km range.

This thing is a monster.

Everyone should keep in mind that the info regarding this UCAV are not fanboy rumors. It is coming from the company itself. Zhongtian Feilong made the announcement on its official WeChat account. They are the ones comparing the FL-2 directly to the B-21. So don't be surprised if the payload is actually higher than 6,000kg, otherwise why make the comparison?

A lot of Western defense analysts weren't paying attention during the previous Zhuhai Air Show. I think they have your attention now.:agree:
Yes, that's crazy !
And with China Production Capacity, they can easily churn out this thing with large number.


Imagine your country get carpet bombed by this Bomber drone fleet.
Yes you can shot down some of them, but they suffer no casualties and can easily replace the downed one in the few days.

What a desperate war for enemy :coffee:
 

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