The SR.N4 (Saunders-Roe Nautical 4) hovercraft (also known as the '''Mountbatten class hovercraft''') is a retired combined passenger and vehicle-carrying class of hovercraft. The type has the distinction of being the largest civil hovercraft to have ever been put into service.
The SR.N4 (Saunders-Roe Nautical 4) hovercraft (also known as the '''Mountbatten class hovercraft''') is a retired combined passenger and vehicle-carrying class of hovercraft. The type has the distinction of being the largest civil hovercraft to have ever been put into service.
Work on the SR.N4 was initiated in 1965 by Saunders-Roe. By the time that the vehicle's first trials took place in early 1968, Saunders-Roe had merged with Vickers' hovercraft division to form the British Hovercraft Corporation, who continued development. Power was provided by four Rolls-Royce Proteus marine turboshaft engines each driving its own lift fan and pylon-mounted steerable propulsion propeller. The SR.N4 was the largest hovercraft then built, designed to carry 254 passengers in two cabins besides a four-lane automobile bay which held up to 30 cars. Cars were driven from a bow ramp just forward of the wheelhouse. The first design was long, weighed , was capable of and could cruise at over .
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