Pellbin AmphibianDrive
The technical principle is verified.
The concept consists of caterpillar tracks, or wheels, with an integrated unit for marine operation.
It can be used as a lightweight and integrated amphibious propulsion system that can seamlessly switch between land and sea operation, enabling efficient door-to-door transport over land and water without reloading in a way not possible before.
Please see the functional test of the Minimum Viable Product in the YouTube clip: