|Production||Concept car (completed in 2008)|
|Body and chassis|
|Body style||2-door convertible|
|Engine||Street: 54 kW electric|
Propeller: 2 × 800 W electric
Blow jets: 2 × 3.6 kW Rotinor
|Transmission||R - N - F|
|Wheelbase||2,300 mm (91 in)|
|Length||3,785 mm (149.0 in)|
|Width||1,940 mm (76 in)|
|Height||1,117 mm (44.0 in)|
The sQuba, developed by Swiss company Rinspeed, is the world's first car that can be driven both on land and under water. The original idea by Rinspeed founder and CEO Frank M. Rinderknecht was inspired by the 1977 James Bond film The Spy Who Loved Me. The chassis from the Lotus Elise is used as the base for this vehicle.
The sQuba is a zero-emission, 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. It can be submerged to a depth of 10 metres (33 ft), powered by twin electric-powered propellers supplemented by two Seabob water jets. It "flies" when underwater, like a submarine, as it is not designed to drive along the surface at the bottom of the water. The car's top land speed is 120 km/h (75 mph). On the surface of water, the top speed is 6 km/h (3.2 kn; 3.7 mph) and underwater it is 3 km/h (1.6 kn; 1.9 mph).
The vehicle can transport a driver and passenger in its open cockpit. The open cockpit design is intended to allow the occupants to escape easily in case of emergency. When underwater, the occupants breathe air carried in the vehicle through scuba-style diving regulators. Without occupants, the sQuba will surface automatically. The twin water jets mounted on rotating louvers at the front of the vehicle provide steering and lift while it is underwater and the propellers at the rear provide forward movement.
The vehicle's interior is water and salt resistant so that it can be driven in the ocean.
Prototype and production
The inspiration for the sQuba was the Lotus Esprit driven by James Bond in The Spy Who Loved Me. During the thirty years since the movie premiered, Rinspeed founder and CEO Frank M. Rinderknecht wanted to build a car that could move underwater like a submarine.
The existing, functioning prototype cost more than US$1.5 million to build. When the sQuba enters production, they are expected to "cost less than a Rolls-Royce", according to Rinderknecht. A production schedule has not been made.
Rinderknecht admits that there will be limited appeal for a car that can dive underwater. The car will be marketed as a "toy for rich people".
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