By studying the American grasshopper’s unique folding wings, researchers created 3D-printed models to test various aerodynamic features. Their design allows robots to switch between flapping for thrust and gliding for power conservation.
PIC/PRINCETON UNIVERSITY
Engineers at Princeton University have drawn inspiration from the humble grasshopper to revolutionise tiny-robot flight. Traditionally, insect-sized flying bots have mimicked bees or flies, flapping constantly, a process that’s power-hungry and limits battery size. Grasshoppers, however, combine jumping with gliding, offering a more energy-efficient solution.
By studying the American grasshopper’s unique folding wings, researchers created 3D-printed models to test various aerodynamic features. Their design allows robots to switch between flapping for thrust and gliding for power conservation.
The research lays the groundwork for multi-modal insect-scale robots that can crawl, jump, glide, and fly. The next phase involves integrating compact wing-deployment systems and exploring ground-to-air transitions, both aimed at extending the utility and lifespan of miniature robotic flyers.
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