Tiny maple seed-inspired drone flies for 26 minutes with one rotor

Researchers at the Singapore University of Technology and Design (SUTD), led by Associate Professor Foong Shaohui, have developed a tiny monocopter drone inspired by the natural flight mechanics of maple tree seeds (samaras). This lightweight, 32-gram drone, named SG60, achieves fully controllable, autonomous flight for 26 minutes using a single rotor, setting a new endurance record for drones of its size. Unlike its predecessor, the larger and more complex SG50 multi-rotor drone, the SG60 employs a simple, efficient design that generates lift through a spinning winged body, leveraging passive stability and aerodynamic principles observed in nature. The drone’s design was optimized through a data-driven process that fine-tuned wing shape, pitch, and mass distribution, resulting in a power loading of 9.1 grams per watt—outperforming similar micro air vehicles. Its simplicity, long flight time, and low weight make it suitable for cost-effective, long-duration missions such as