Definition: hovercraft
A hovercraft is a vehicle able to move rapidly across land or water on air that is produced by
powerful fans blowing downward from the craft.
Fun Facts
1. Floating on a Cushion of Air: A hovercraft is an amazing vehicle that doesn't actually touch the ground or water when it moves! Instead, giant powerful engines blow a massive cushion of high-pressure air underneath the vehicle, lifting it up so it literally hovers.
2. The Flexible Fabric Skirt: If you look at the bottom of a hovercraft, you will see a thick, rubbery, curtain-like ring running all the way around the edge. This is called the skirt, and it traps the trapped air underneath so the hovercraft can float smoothly over bumps, waves, and obstacles.
3. All-Terrain Super Machines: Because they glide above the surface on air, hovercrafts can travel across places that ordinary cars and boats could never go! They can drive effortlessly across muddy swamps, sandy beaches, rough rapids, snow-covered fields, and open water.
4. Driven by Airplane Propellers: Hovercrafts don't have wheels, so how do they steer? They usually use giant airplane-style propellers mounted on the back! By tilting or blowing air from these propellers, the pilot can push the hovercraft forward, backward, or spin it around.
5. Invented by a British Engineer: The modern hovercraft was invented in the 1950s by a clever British engineer named Christopher Cockerell. He tested out his brilliant idea using an empty cat food tin, a coffee can, and a hair dryer!
6. Cross-Channel Sea Taxis: In the 1960s and 70s, gigantic passenger hovercrafts called "SR.N4" carried hundreds of people and cars across the English Channel between England and France, zooming across the ocean waves at incredible speeds.
7. No Brakes on Air: Steering a hovercraft is a lot like driving on slippery ice! Because there are no tires gripping the ground, pilots have to plan ahead to stop or turn, using air rudders to guide the floating machine.