A team of seven engineers at the Singapore University of Technology and Design (SUTD) has engineered a lightweight hybrid drone that bridges aerial deployment and marine navigation. Named ALBATROSS, the 1.107 kg prototype is specifically designed to be released from an aircraft or unmanned aerial vehicle, plummeting toward the water in a controlled spin before seamlessly transitioning into a wind-propelled sailing vessel.
Rather than relying on heavy powered flight hardware for deployment, the craft utilizes rigid wingsails to induce autorotation during its descent. This spinning motion drastically reduces falling speed and cushions landing forces, allowing the vehicle to hit the ocean surface without traditional landing gear. Once it reaches the water, the craft independently rights itself into an upright position and shifts into sailing mode using a fish-tail-style rudder for directional movement and thrust.
The elimination of aerial propulsion and complex mechanical reconfiguration gives the platform a distinct operational edge over traditional hybrid models. Researchers report that the prototype can achieve an operating range exceeding 100 km, vastly outperforming previous concepts like SailMAV. By avoiding external support and heavy onboard motors for surface travel, the system opens up new possibilities for rapidly deploying remote sensing equipment into volatile marine environments.
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