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The Amphicar's engine was mounted at the rear of the craft, driving the rear wheels through a 4-speed manual transmission. For use in the water, the same engine drove a pair of reversible propellers at the rear, with a second gear lever engaging forward or reverse drive. Once in the water, the main gear lever would normally be left in neutral.
The sQuba is a zero-emission, [4] all electric vehicle which uses three electric motors, one for land travel, two for water. It drives on land powered by its electric rear-wheel drive powertrain, using rechargeable lithium-ion batteries. Upon entering water, it floats on the surface until the operator floods the interior to submerge it.
An amphibious vehicle (or simply amphibian) is a vehicle that works both on land and on or under water. Amphibious vehicles include amphibious bicycles, ATVs, cars, buses, trucks, railway vehicles, combat vehicles, and hovercraft.
On land these units have high grip and great off-road ability, that can be further enhanced with an optional set of tracks that can be mounted directly onto the wheels. Although the spinning action of the tires is enough to propel the vehicle through the water – albeit slowly – outboard motors can be added for extended water use.
The trip took 70 minutes, [5] and he completed the drive on an estimated 13 US gal (49 L; 11 imp gal) of gasoline, a little more than half the total capacity of the Water Car's 25 gallon tank. March was not the first to drive an amphibious car to an island; the first was Howard Singer of La Jolla who on Aug. 19, 1978, became the first person to ...
The name DUKW comes from General Motors Corporation model nomenclature: [6]. D, 1942 production series; U, Utility; K, all wheel drive; W, tandem rear axles, both driven; Decades later, the designation was explained erroneously by writers such as Donald Clarke, who wrote in 1978 that it was an initialism for "Duplex Universal Karrier, Wheeled".
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It is capable of speeds over 160 kilometres per hour (99 mph) on land and 50 kilometres per hour (31 miles per hour; 27 knots) on water. Rather than adding wheels to a boat design, or creating a car that floats, the Aquada was designed from the ground up to perform very well in both fields, with over 60 patents covering technical innovations.