Chinese researchers have created a 4-gram solar-powered drone with high efficiency for continuous daytime flight and remote monitoring.
The drone’s high lift efficiency and light power use enable continuous solar-powered flight in natural sunlight.The device, called ColumbFly, weighs just 4 grams and uses a solar cell to generate electricity, creating an electric field between oppositely charged plates arranged in a circle.
The team at Beihang University in Beijing claims that each component has been designed to balance efficiency and lightweight, and such a design can enable remote monitoring tasks for long periods of time.Limited flight duration is a major challenge for the widespread use of micro aerial vehicles , especially those weighing less than 10 grams. These vehicles typically have a flight time of no more than 10 minutes.power is a potential solution to improve the endurance of these ultralight MAVs.
To tackle these challenges, the team devised a drone with a sizable motor featuring an inner ring of stationary charged plates crafted from thin carbon-fiber plates with an aluminum foil coating. Adjacent stator plates carry opposing charges, surrounded by a ring of 64 rotating plates, as reported by
While this may seem modest, the team is optimistic that design improvements will enhance its endurance and payload capacity over time.
China Drone Lightweight Drone MAV Solar Sunlight UAV
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