3 ms·
Energy density improvements in lithium batteries (the biggest factor in flight time) have been fairly gradual. There are drones that can fly longer, but they do
by timerol 7y ago
Energy density improvements in lithium batteries (the biggest factor in flight time) have been fairly gradual. There are drones that can fly longer, but they don't use batteries. There are a few drones that use the frame as a hydrogen tank, and can fly for about 4 hours. (https://edgy.app/hydrogen-powered-drone-hycopter-flight-4-hours https://edgy.app/hydrogen-powered-drone-hycopter-flight-4-ho...)