What the future of drones holds in store! This is at least the second such drone that has been developed!
P.S. I was unable to verify the original source of this news. The links provided in the source below are invalid.
"... When the aircraft is in flight, all four of the units are facing upwards and spinning their props at the higher of the two speeds. Once it lands on the water, the units rotate to face downward and then spin at the lower speed, pulling the drone beneath the surface. In order to move both vertically and horizontally once it's fully submerged, the drone adjusts the angle and thrust of each propulsion unit as needed. ...
scientists at Oakland University previously developed a flying/underwater-swimming quadcopter of their own, known as the Loon Copter. It lands on the water horizontally, then pumps water into its buoyancy chamber, causing it to tilt down to one side. The drone then moves through the water using its now-vertical propellers, moving up and down by pumping water in and out of its buoyancy chamber."
scientists at Oakland University previously developed a flying/underwater-swimming quadcopter of their own, known as the Loon Copter. It lands on the water horizontally, then pumps water into its buoyancy chamber, causing it to tilt down to one side. The drone then moves through the water using its now-vertical propellers, moving up and down by pumping water in and out of its buoyancy chamber."
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