There’s this $190K flying hovercraft, and then this DIY version built by inventor James Whomsley, better known as ProjectAir online. Before even starting on the full-sized version Whomsley made a small model powered by an R/C airplane electric motor for the blower, while propulsion required a second one.

To control the rudder, a servo motor was installed and then a donut-inspired air cushion skirt kept it hovering. Unlike the model, the life-sized hovercraft’s body is made from open-cell foam to keep things light and a wood frame structure ensured that one could actually ride in it. Electric ducted fans connected to lithium battery packs were used to fill the air cushion skirt. A pair of brushless DC motors connected to large propellers enable one to drive it forward using throttle lever controls.

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