A hovercraft use a fan to push air underneath the craft and create an air cushion, and on a specially designeg skirt to keep the air cushion contained. The hovercraft will then be suspended with virtually no ground contact by that cushion, pretty much regardless of the speed it's moving at.
An air boat at speed might manage to ram some air underneath its hull due to the wide, upturned front, but will settle solidly onto the ground the moment it slows down.
Hovercraft is das Luftkissenboot in German (lit. air cushion boat)
Basically, an aircraft flies, a hovercraft doesn't. An aircraft relies on aerodynamic lift, a hovercraft is "lifted" by a cushion of pressurised air trapped in the plenum chamber.
That would be a hovercraft. However, hovercraft are not really boats and can travel on both land and water.
flying air.
A hovercraft is a type of boat that floats along on a cushion of air. It uses fans to create the air cushion beneath the boat, allowing it to glide over both land and water surfaces.
Air fills the skirt, and the thin layer of air escaping the skirt creates a nearly frictionless layer between the craft and the ground. Another fan, much like an air boat, propels the craft forward
A hovercraft floats on a cushion of air created by a fan or propeller underneath the craft. This cushion of air reduces friction between the hovercraft and the ground, allowing it to glide smoothly over surfaces such as water, ice, or land. The pressure from the cushion of air supports the weight of the hovercraft, enabling it to "float" above the surface.
A hovercraft uses static friction to create a cushion of air underneath it, allowing it to hover above the surface. The static friction between the air cushion and the ground helps the hovercraft move smoothly and efficiently. By controlling the amount of air pressure and distribution, the hovercraft can maneuver in different directions.
A hovercraft reduces the effects of drag between it and the water by creating a cushion of air underneath it. This cushion of air lifts the hovercraft slightly above the water's surface, reducing friction and allowing the craft to move more easily and efficiently.
Because a hovercraft rides on a cushion of air, there is less contact between a hovercraft and water, so there's less friction to slow it down as compared to a regular watercraft.
The word aircraft - refers to any vehicle capable of flight - of which are hovercraft, gliders, planes and helicopters. The word airplane - relates only to fixed-wing aircraft.
The main forces acting on a hovercraft are lift, propulsion, and drag. Lift is generated by the cushion of air under the hovercraft, propulsion is produced by the engines to move the hovercraft forward, and drag is the resistance encountered as the hovercraft moves through the air or water.