The Chrysler Patriot was a

turbine A turbine ( or ) (from the Greek , ''tyrbē'', or Latin ''turbo'', meaning vortex) is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced by a turbine can be used for generating e ...

-electric

hybrid Hybrid may refer to: Science * Hybrid (biology), an offspring resulting from cross-breeding ** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species ** Hybridity, the property of a hybrid plant which is a union of two dif ...

sports-prototype

racing car Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organise ...

utilizing flywheel energy storage, built by Reynard Motorsport and SatCon Technology Corporation for

Chrysler Stellantis North America (officially FCA US and formerly Chrysler ()) is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of the multinational automoti ...

in 1993 as a

concept car A concept car (also known as a concept vehicle, show vehicle or prototype) is a car made to showcase new styling and/or new technology. They are often exhibited at motor shows to gauge customer reaction to new and radical designs which may or ...

but with the express intent of winning the

Le Mans 24 Hour Race The 24 Hours of Le Mans (french: link=no, 24 Heures du Mans) is an endurance-focused sports car race held annually near the town of Le Mans, France. It is the world's oldest active endurance racing event. Unlike fixed-distance races whose ...

.Chrysler Patriot hybrid-electric racing car

Information

The traction engine was a four-pole,

three-phase Three-phase electric power (abbreviated 3φ) is a common type of alternating current used in electricity generation, Electric power transmission, transmission, and Electric power distribution, distribution. It is a type of polyphase system empl ...

, 525-volt AC

induction motor An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding. An induction mot ...

, weighing 143 pounds (65 kg), with a maximum speed of 24,000 rpm; it had an aluminum housing, was lubricated by oil, and had an 8:1 motor to

final drive ratio A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission ...

. Electrical power was supplied by a water-cooled, three-phase alternator which was built into a two-stage gas turbine, fueled with liquified natural gas, running at 50,000 rpm at low speed and 100,000 rpm at high speed, weighing 186 pounds. Additional energy for acceleration was provided by a 147-pound SatCon

composite Composite or compositing may refer to: Materials * Composite material, a material that is made from several different substances ** Metal matrix composite, composed of metal and other parts ** Cermet, a composite of ceramic and metallic materials ...

flywheel A flywheel is a mechanical device which uses the conservation of angular momentum to store rotational energy; a form of kinetic energy proportional to the product of its moment of inertia and the square of its rotational speed. In particular, ass ...

housed in a

vacuum chamber A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low-pressure environment within the chamber, commonly referred to as a vacuum. A vacuum environment allows researchers to condu ...

running at 58,000 rpm, coupled to the drive train via three-phase

permanent magnet A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, ...

s in a Halbach array.''Modern Chrysler Concept Cars: The Designs That Saved the Company'', by Matt DeLorenzo, Motorbooks, 2000, , In 1995 SatCon and Chrysler were awarded the Discover Award for innovation in automotive engineering for the Patriot design. The Patriot as first designed was different in many details from the final design, which had numerous compromises, according to its creator, Chrysler engineer Ian Sharp, who wrote that similar designs appear to be under consideration for

Formula One Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...

racing in 2012. Although introduced with much fanfare as a great leap forward in alternative energy storage and efficiency, press releases regarding the Patriot faded away. It was later revealed that serious problems with the mechanical integrity of the flywheel could not be overcome, and protection from a shattering flywheel would exact too much of a weight penalty. It is not to be confused with the Jeep Patriot, a 2007

SUV A sport utility vehicle (SUV) is a car classification that combines elements of road-going passenger cars with features from off-road vehicles, such as raised ground clearance and four-wheel drive. There is no commonly agreed-upon definitio ...

built by the same company.

References

Reynard Motorsport vehicles Patriot Le Mans Prototypes Electric concept cars Cars powered by gas turbines Hybrid vehicles {{Modern-auto-stub