An article by IEEE Spectrum shares:
Scientists in China have built what they claim to be the smallest and lightest solar-powered aerial vehicle. It’s small enough to sit in the palm of a person’s hand, weighs less than a U.S. nickel, and can fly indefinitely while the sun shines on it.
Micro aerial vehicles (MAVs) are insect- and bird-size aircraft that might prove useful for reconnaissance and other possible applications. However, a major problem that MAVs currently face is their limited flight times, usually about 30 minutes. Ultralight MAVs—those weighing less than 10 grams—can often only stay aloft for less than 10 minutes.
One potential way to keep MAVs flying longer is to power them with a consistent source of energy such as sunlight. Now, in a new study, researchers have developed what they say is the first solar-powered MAV capable of sustained flight.
The new ultralight MAV, CoulombFly, is just 4.21g with a wingspan of 20 centimeters. That’s about 10 times as small as and roughly 600 times as light as the previous smallest sunlight-powered aircraft, a quadcopter that’s 2 meters wide and weighs 2.6 kilograms.
Soaring to new heights, together.
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