What did Sir Christopher Cockerell invent?
What did Sir Christopher Cockerell invent?
Hovercraft
Who invented the modern hovercraft?
Christopher Cockerell
Where did Sir Christopher Cockerell live?
Isle of Wight
Are hovercraft still used?
The first practical design for hovercraft was derived from a British invention in the 1950s to 1960s. They are now used throughout the world as specialised transports in disaster relief, coastguard, military and survey applications, as well as for sport or passenger service.
What is a Navy LCAC?
The Landing Craft, Air Cushion (LCAC) is a high-speed, over-the-beach, fully amphibious landing craft capable of carrying a 60-75 ton payload. It is used to transport the weapons systems, equipment, cargo and personnel of the assault elements of the Marine Air-Ground Task Force from ship to shore and across the beach.
Which lubricant is used in hovercraft?
The air cushion (or bubble), trapped between the hull and the surface of the earth by the skirt, acts as a lubricant and provides the ability to fly or slide over a variety of surfaces.
How does air cushion reduce friction?
Vents or currents of slow-moving, low-pressure air are ejected downward against the surface below the hovercraft. The trapped air currents can create an air cushion on any smooth surface, land or water! The cushion greatly reduces friction, allowing the vehicle to glide freely over the smooth surface below.
What are hovercrafts used for?
Hovercraft are used for rescue, commercial, military and paramilitary applications to transport, save and protect lives across the world’s most challenging environments. Hovercraft are amphibious platforms that can be built to overcome the specific challenges each user faces.
What does hydrofoil mean?
1 : a body similar to an airfoil but designed for action in or on water. 2 : a motorboat that has metal plates or fins attached by struts fore and aft for lifting the hull clear of the water as speed is attained.
What is the purpose of a hydrofoil?
Hydrofoil, underwater fin with a flat or curved winglike surface that is designed to lift a moving boat or ship by means of the reaction upon its surface from the water through which it moves. Ships that use hydrofoils, or foils, are themselves called hydrofoils.