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However, the hovercraft lift system acted as both a lift and a very effective suspension, and thus it naturally lent itself to high-speed use where conventional suspension systems were considered too complex. This led to a variety of "hovertrain" proposals during the 1960s, including England's Tracked Hovercraft and France's Aérotrain.
So, with the same input power, a greater amount of lift could be developed, and the hull could be lifted higher above the surface, reducing friction and increasing clearance. This theory was tried, tested and developed throughout the 1950s and 1960s until it was finally realised in full-scale in the SR-N1 hovercraft.
As the various hovertrain systems were developing, a major energy use issue cropped up. Hovercraft generate lift by providing pressure, as opposed to generating lift due to the momentum of air flowing over an airfoil. The pressure of the air required is a function of the vehicle weight and the size of the lift pad, essentially a measure of ...
During the early 1980s, the British firm Slingsby Amphibious Hovercraft Company decided to embark on the design and production of its own hovercraft, designated SAH 2200. [1] As the specification for the vehicle was defined, it was designed to produce a relatively compact hovercraft that would make extensive use of composite materials.
The British Hovercraft Corporation SR.N3 was a 37.5 ton hovercraft originally designed by Saunders-Roe. [1] Launched in 1963, it was primarily aimed at military deployment. It was a military version of the SR.N2 [2] Propulsion and lift was provided by four rear-mounted Bristol-Siddeley Gnome gas turbine engines that allowed the SR.N3 to cruise ...
The RTV 31 at Earith, Cambridgeshire, during testing in May 1973. Tracked Hovercraft was an experimental high-speed train developed in the United Kingdom during the 1960s. It combined two British inventions, the hovercraft and the linear induction motor, in an effort to produce a train system that would provide 250 mph (400 km/h) inter-city service with lowered capital costs compared to other ...