How China builds the Aoxiang manta-ray underwater drone (China underwater drone) from its pressure-resistant central body and flexible robotic fins to sonar integration, waterproof sealing, calibration, and underwater testing.
China’s unusual Aoxiang V-shaped biomimetic underwater vehicle abandons the conventional torpedo-shaped UUV design. Instead, it uses a flattened manta-ray-inspired body and broad flexible fins that generate propulsion through controlled undulating movement. Official Chinese reporting describes the platform as a soft-bodied underwater vehicle designed around the Aoxiang V-shaped configuration.
In this Modus Assembly documentary, we visualize how an advanced manta-ray underwater drone could progress through its complete engineering lifecycle: construction of the protected equipment core, internal electronics packaging, flexible-fin assembly, sonar installation, waterproof sealing, buoyancy calibration, pressure testing, and final open-water trials.
The vehicle reportedly combines forward-looking sonar for detecting objects ahead with side-scan sonar for surveying the seabed. During a publicly reported March 2026 demonstration, a soft-bodied manta-ray submersible detected simulated underwater explosive devices in dark water where visibility was below one meter.
Its central engineering challenge is unlike that of a conventional submarine. The electronics and sonar-bearing body must remain rigid and stable while the paired fins continuously deform to create thrust. The result is a machine designed to move through water with the controlled motion of a marine animal while functioning as an autonomous underwater sensor platform.
The exact developer, production facility, internal materials, actuator system, and serial-production status have not been publicly confirmed. Factory scenes in this documentary are cinematic reconstructions used to explain the documented engineering principles rather than verified footage of the real manufacturing plant.
CHAPTERS
A Machine That Swims
The Rigid Core
Building the Flexible Fins
Seeing Through Sound
Pressure and Control
The Underwater Test
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#Aoxiang #MantaRayDrone #UnderwaterDrone #ChineseMilitary #ModusAssembly
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