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Chevrolet S-10 EV

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Chevrolet S-10 Electric
Electric Chevy S-10.jpg
Chevrolet S-10 Electric
Overview
ManufacturerGeneral Motors
Also called
  • S-10 Electric
  • S-10E
  • S-10EV
  • E10
  • E14
Production1997-1998
Model years1997-1998
AssemblyShreveport, Louisiana (Shreveport Operations)
Body and chassis
ClassCompact pick-up truck
Body stylePick-up truck
LayoutTransverse front-engine, front-wheel drive
PlatformGMT 325
Related
Powertrain
Electric motor85 kW (114 hp), AC induction motor
Transmission1-speed fixed gear
Battery
Electric range
  • 16.2 kWh
    33 mi (53 km)  (EPA)
    43.8 mi (70.5 km) (J1634)
  • 29 kWh
    72 mi (116 km) (EPA)
    95.3 mi (153.4 km) (J1634)
Plug-in charging6.6 kW off-board Magne Charge inductive charger
Dimensions
Wheelbase108.3 in (2,751 mm)
Length
  • 188.9 in (4,798 mm) (1997)
  • 190.8 in (4,846 mm) (1998)
Width
  • 67.8 in (1,722 mm) (1997)
  • 68.3 in (1,735 mm) (1998)
Height62.4 in (1,585 mm)
Curb weight
  • 4,199 lb (1,905 kg) (1998)
  • 4,230 lb (1,919 kg) (1997)

The Chevrolet S-10 Electric was an American electric-powered vehicle built by Chevrolet. It was introduced in 1997, becoming the world's first electric pickup truck from the original manufacturer,[1] updated in 1998, and then discontinued. It was an OEM BEV variant of Chevrolet's S-10 pickup truck. The S-10 Electric was solely powered by electricity (batteries) and was marketed primarily to utility fleet customers.

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Chevrolet

Chevrolet

Chevrolet is an American automobile division of the American manufacturer General Motors (GM). Louis Chevrolet (1878–1941), Arthur Chevrolet and ousted General Motors founder William C. Durant (1861–1947) started the company on November 3, 1911 as the Chevrolet Motor Car Company. Durant used the Chevrolet Motor Car Company to acquire a controlling stake in General Motors with a reverse merger occurring on May 2, 1918, and propelled himself back to the GM presidency. After Durant's second ousting in 1919, Alfred Sloan, with his maxim "a car for every purse and purpose", would pick the Chevrolet brand to become the volume leader in the General Motors family, selling mainstream vehicles to compete with Henry Ford's Model T in 1919 and overtaking Ford as the best-selling car in the United States by 1929 with the Chevrolet International.

Battery electric vehicle

Battery electric vehicle

A battery electric vehicle (BEV), pure electric vehicle, only-electric vehicle, fully electric vehicle or all-electric vehicle is a type of electric vehicle (EV) that exclusively uses chemical energy stored in rechargeable battery packs, with no secondary source of propulsion. BEVs use electric motors and motor controllers instead of internal combustion engines (ICEs) for propulsion. They derive all power from battery packs and thus have no internal combustion engine, fuel cell, or fuel tank. BEVs include – but are not limited to – motorcycles, bicycles, scooters, skateboards, railcars, watercraft, forklifts, buses, trucks, and cars.

Chevrolet S-10

Chevrolet S-10

The Chevrolet S-10 is a compact pickup truck that was produced by Chevrolet. It was the first domestically built compact pickup of the big three American automakers. When it was first introduced as a "quarter-ton pickup" in 1981 for the 1982 model year, the GMC version was known as the S-15 and later renamed the GMC Sonoma. A high-performance version was released in 1991 and given the name of GMC Syclone. The pickup was also sold by Isuzu as the Hombre from 1996 through 2000, but only in North America. There was also an SUV version, the Chevrolet S-10 Blazer/GMC S-15 Jimmy. An electric version was leased as a fleet vehicle in 1997 and 1998. Together, these pickups are often referred to as the S-series.

Pickup truck

Pickup truck

A pickup truck or pickup is a light-duty truck that has an enclosed cabin, and a back end made up of a cargo bed that is enclosed by three low walls with no roof. In Australia and New Zealand, both pickups and coupé utilities are called utes, short for utility vehicle. In South Africa, people of all language groups use the term bakkie, a diminutive of bak, Afrikaans for "basket".

Electricity

Electricity

Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, electric discharges and many others.

Design

General Motors started with a regular-cab, short-box (6-foot (180 cm) bed) S-10 pickup, with a base-level trim package plus a half-tonneau cover. In place of a typical inline four cylinder or V-6 internal combustion engine, the Electric S-10 EV was equipped with an 85-kilowatt (114 hp) three-phase, liquid-cooled AC induction motor, based on GM's EV1 electric coupe. The EV1 had a 100 kW motor; GM reduced the S-10EV's motor output because of the additional weight and drag of the truck so as not to overstress the batteries.[2]

Because the S10 EV shared its major powertrain components with the GM EV1, it used a front wheel drive configuration, as opposed to the rear wheel drive (two-wheel-drive) configuration of the gasoline-powered S10, as well as its closest competitor, the Ford Ranger EV.

Batteries

Similar to the Gen 1 EV1's, there were lead acid battery and nickel–metal hydride battery options. The 1997 Chevrolet S-10 EV used a lead acid battery pack. Manufactured by Delco Electronics, the 1,400 lb (635 kg) battery pack consisted of 27 cells, with one being designated as an "auxiliary" cell. These reportedly offered 16.2 kilowatt-hours for propulsion. In 1998, an Ovonic nickel–metal hydride battery (NiMH) pack was also available; these batteries were lighter (1,043 lb or 473 kg) and had a combined 29 kilowatt-hours of storage for a longer range. NiMH also has longer life but costs more than the lead acid option. The battery pack was located between the frame rails, beneath the pickup bed. On all battery types, a passive battery monitoring and management system was used; this meant that excess energy was wasted from cells with a higher charge, while the remainder of the cells reach the same state of charge.

Charging

The S-10 EV charges using the Magne Charger, produced by the General Motors subsidiary Delco Electronics. The inductive charging paddle is the model J1773 or the 'large' paddle. The small paddle can also be used with an adapter to properly seat it. The standard charger is a 240 V 30 A (6.6 kW); there is also a 120 V 15 A 'convenience' charger, and a high-power fast-charge version. The vehicle's charging port is accessed by flipping the front license plate frame downwards. The system is designed to be safe even when used in the rain.[3]

Efficiency

Depending on the load and driving conditions the range can vary greatly: For the 1997 model with lead-acid battery pack, city range was 45.5 miles (73.2 km); the mixed city/highway range was 47 miles (76 km); the highway range was 60 miles (97 km) if operating constantly at 45 mph (72 km/h) or less. The acceleration time 0–50 mph (0–80 km/h) was listed as 13.5 seconds (at 50 percent battery charge - the published literature stated that acceleration time was "even less" when the truck had a full charge).

Like the EV1, the top speed of the S-10 EV was governed, albeit to 70 mph (113 km/h), 10 mph (16 km/h) less than its coupe sibling.

The performance is much better for the 1998 model year with the nickel–metal hydride battery, at an approximately 90-mile (140 km) range and an acceleration time of 10.9 seconds at 50% charge.

  • 1997 MY GM S10 EV lead acid: 29.2 kWh/100 mi (118 mpg‑e)[4]
  • 1998 MY GM S10 EV lead acid: 45 kWh/100 mi (76 mpg‑e) (city driving), and 41 kWh/100 mi (84 mpg‑e) (highway driving, with maximum speed 45 mph, 72 km/h or less).[5]
  • 1998 MY GM S10 EV NiMH: 94 kWh/100 mi (37 mpg‑e) (city driving), and 86 kWh/100 mi (40 mpg‑e) (highway driving, with maximum speed 45 mph, 72 km/h or less).[5]

Note: 1998 GM S10 EV NiMh numbers above are apparently wrong. This page lists the NiMH S10 with a 29-kilowatt-hour battery and range of 72 mi (116 km) (EPA) which corresponds to 403 Wh/mi (85 mpg‑e). This corresponds to the NiMH version of the vehicle having a 357-pound (162 kg) lighter battery pack than the lead-acid model.

  • 1997 MY GM S10 EV lead acid: 292 Wh/mi (118 mpg‑e) (J1634) [6]
  • 1998 MY GM S10 EV NiMH: 276 Wh/mi (125 mpg‑e) (J1634) [7]

Instruments

Internally, the instrument cluster was exclusive to the Electric S-10, and featured only four gauges - a speedometer, a large "charge" gauge which reads from 'E' to 'F' like a fuel gauge, a voltmeter ranging from 220 to 440 volts, and a "power use" meter, which acts as an ammeter of sorts showing discharge during acceleration and charge during regenerative braking. The LCD display for the shifter was shortened to display only park, neutral, reverse, and drive, since the S-10 EV does not have the usual transmission.

Additional features

The S10 EV was developed from the base version of the gasoline-powered S10, and included similar standard equipment. Standard equipment for the S10 EV included an A/M-F/M stereo radio with two door-mounted speakers, air conditioning, a vinyl-and-cloth-trimmed bench seat, and dual airbags. For colder climates, a fuel-fired heater was standard, which is similar to engine block heater, and runs on diesel fuel from a 1.7-US-gallon (6.4 L) tank. The heater will operate when ambient temperature falls below 37 °F (3 °C).

Because battery performance varies greatly with temperature, the heat pump supplies cooling to the batteries during charging when necessary. Passive air recirculation is used during the driving cycle to equalize variations in battery temperature. The heat pump can be activated during the driving cycle under extreme battery over-temperature conditions over 150 °F (66 °C), typically as a result of extreme battery discharge.

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General Motors

General Motors

The General Motors Company (GM) is an American multinational automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and was the largest in the world for 77 years before losing the top spot to Toyota in 2008.

Tonneau

Tonneau

A tonneau is an area of a car or truck open at the top. It can be for passengers or cargo.

V6 engine

V6 engine

A V6 engine is a six-cylinder piston engine where the cylinders share a common crankshaft and are arranged in a V configuration.

Internal combustion engine

Internal combustion engine

An internal combustion engine is a heat engine in which the combustion of a fuel occurs with an oxidizer in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal combustion engine, the expansion of the high-temperature and high-pressure gases produced by combustion applies direct force to some component of the engine. The force is typically applied to pistons, turbine blades, a rotor, or a nozzle. This force moves the component over a distance, transforming chemical energy into kinetic energy which is used to propel, move or power whatever the engine is attached to. This replaced the external combustion engine for applications where the weight or size of an engine were more important.

Alternating current

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight. The abbreviations AC and DC are often used to mean simply alternating and direct, respectively, as when they modify current or voltage.

Induction motor

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 motor can therefore be made without electrical connections to the rotor. An induction motor's rotor can be either wound type or squirrel-cage type.

Gasoline

Gasoline

Gasoline or petrol is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. On average, U.S. refineries produce, from a barrel of crude oil, about 19 to 20 gallons of gasoline; 11 to 13 gallons of distillate fuel ; and 3 to 4 gallons of jet fuel. The product ratio depends on the processing in an oil refinery and the crude oil assay. A barrel of oil is defined as holding 42 US gallons, which is about 159 liters or 35 imperial gallons.

Ford Ranger EV

Ford Ranger EV

The Ford Ranger EV is a battery powered compact pickup truck that was produced by the Ford motor company and was Ford's first all-electric production vehicle. It was produced starting in the 1998 model year through 2002 and is no longer in production. It is built upon a light truck chassis used in the Ford Explorer. A few vehicles with lead-acid batteries were sold, but most units were leased for fleet use. A few persistent and interested private parties were able to obtain leases over a period of three to five years. All leases were terminated in 2003–04, and the vehicles were recalled.

Nickel–metal hydride battery

Nickel–metal hydride battery

A nickel metal hydride battery is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium. NiMH batteries can have two to three times the capacity of NiCd batteries of the same size, with significantly higher energy density, although much less than lithium-ion batteries.

Delco Electronics

Delco Electronics

Delco Electronics Corporation was the automotive electronics design and manufacturing subsidiary of General Motors based in Kokomo, Indiana, that manufactured Delco Automobile radios and other electric products found in GM cars. In 1972, General Motors merged it with the AC Electronics division and it continued to operate as part of the Delco Electronics division of General Motors. When the corporation acquired the Hughes Aircraft Company, Delco was merged with it to form Hughes Electronics as an independent subsidiary.

Kilowatt-hour

Kilowatt-hour

A kilowatt-hour is a non-SI unit of energy: one kilowatt of power for one hour. It is equivalent to 3.6 megajoules (MJ) in SI units. Kilowatt-hours are a common billing unit for electrical energy supplied by electric utilities. Metric prefixes are used for multiples and submultiples of the basic unit, the watt-hour.

History

The S-10 EV was preceded by at least two commercially-marketed S-10 electric vehicle conversions performed by third parties:

1998 updates

While the standard S-10 moved to a redesigned front fascia in 1998, the S-10 Electric kept the same front fascia as the '94-'97, with the exception of composite headlamps in 1998 versus the previous year's sealed-beam headlamps. The interior was also updated in 1998 along with internal combustion models, adding a passenger side airbag, a new A/M-F/M stereo radio, new instrumentation with a digital odometer and trip meter, a new bench seat design, new interior door panels, and a new steering wheel with airbag cover. Aside from this header panel, a unique lower bumper valance, and a stylized 'Electric' decal on the bottom of the doors, there is little difference externally between the appearance of an Electric and a stock S-10. Any changes, however minimal, were reported to have had a positive influence on reducing the truck's aerodynamic resistance. These changes included a closed grille and a front air dam, belly pans beneath the front suspension, a seal between the cab and the pickup bed, and a half-length tonneau cover over the rear of the pickup bed.

Sales

Unlike the EV1, of the 492 S-10EVs assembled about 60 were sold to fleet customers,[2] rather than just leased through restrictive programs, mostly due to the prior Department of Transportation crashworthiness evaluations done on stock S-10 pickups. As a result, a few Electric S-10s can still be found in use today. The fleet life of many of these ended in 2007 and 2008. The vehicles (around 440) that were not sold were eventually scrapped, similar to the fate of their EV1 siblings. The white S-10EVs can be seen mixed into the stacks of crushed EV1s in aerial shots toward the end of "Who Killed The Electric Car", most easily identified by their white color, and black half-tonneau covers.

The purposes of the vehicle, though, was primarily to explore the potential of electric truck early in the history of electric vehicles:[2][10]

There were many fleet-type customers with duty cycles that represented good applications for electric vehicles — short drives that could be all electric, then back to the same location for charging each night. The goals were to test the capability of that type of vehicle, to understand that customer base and see how this vehicle would fit that profile, and to test what relevance it would have to those customers' needs

— Gary Insana

Recent uses

In 2004 GM converted an S-10 EV to rear-wheel drive, using prototype in-wheel electric motors instead of an under-hood motor.

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Electric vehicle conversion

Electric vehicle conversion

In automobile engineering, electric vehicle conversion is the replacement of a car's combustion engine and connected components with an electric motor and batteries, to create an all-electric vehicle (AEV).

Solectria Corporation

Solectria Corporation

Solectria Corporation was responsible for the design, engineering, and manufacturing of energy management components for industrial applications, including electric vehicles, parallel hybrid drivetrains, and power generation applications. It was founded in 1989 and based in Woburn, Massachusetts. In December 2004, Solectria was acquired by Azure Dynamics.

American Tour de Sol

American Tour de Sol

The American Tour de Sol (ATdS) was an annual electric vehicle conference and rally that ran from 1989 to 2006 under the supervision of the Northeast Sustainable Energy Association (NESEA), drawing inspiration from the Tour de Sol that started in Switzerland in 1985. One of the annual ATDS events was a multi-day road rally from Montpelier, Vermont to Boston which started in 1990. After gaining support from the United States Department of Energy, the ATdS began including alternative fuel vehicles.

Fascia (car)

Fascia (car)

Fascia is a term used in two areas in the automotive world.

Odometer

Odometer

An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two (electromechanical). The noun derives from ancient Greek ὁδόμετρον, hodómetron, from ὁδός, hodós and μέτρον, métron ("measure"). Early forms of the odometer existed in the ancient Greco-Roman world as well as in ancient China. In countries using Imperial units or US customary units it is sometimes called a mileometer or milometer, the former name especially being prevalent in the United Kingdom and among members of the Commonwealth.

Airbag

Airbag

An airbag is a vehicle occupant-restraint system using a bag designed to inflate extremely quickly, then quickly deflate during a collision. It consists of the airbag cushion, a flexible fabric bag, an inflation module, and an impact sensor. The purpose of the airbag is to provide a vehicle occupant with soft cushioning and restraint during a collision. It can reduce injuries between the flailing occupant and the interior of the vehicle.

Spoiler (car)

Spoiler (car)

A spoiler is an automotive aerodynamic device whose intended design function is to 'spoil' unfavorable air movement across a body of a vehicle in motion, usually described as turbulence or drag. Spoilers on the front of a vehicle are often called air dams. Spoilers are often fitted to race and high-performance sports cars, although they have become common on passenger vehicles as well. Some spoilers are added to cars primarily for styling purposes and have either little aerodynamic benefit or even make the aerodynamics worse.

Tonneau

Tonneau

A tonneau is an area of a car or truck open at the top. It can be for passengers or cargo.

Lease

Lease

A lease is a contractual arrangement calling for the user to pay the owner for the use of an asset. Property, buildings and vehicles are common assets that are leased. Industrial or business equipment are also leased. Basically a lease agreement is a contract between two parties: the lessor and the lessee. The lessor is the legal owner of the asset, while the lessee obtains the right to use the asset in return for regular rental payments. The lessee also agrees to abide by various conditions regarding their use of the property or equipment. For example, a person leasing a car may agree to the condition that the car will only be used for personal use.

United States Department of Transportation

United States Department of Transportation

The United States Department of Transportation is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the president of the United States and is a member of the president's Cabinet.

Crashworthiness

Crashworthiness

Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Different criteria are used to figure out how safe a structure is in a crash, depending on the type of impact and the vehicle involved. Crashworthiness may be assessed either prospectively, using computer models or experiments, or retrospectively, by analyzing crash outcomes. Several criteria are used to assess crashworthiness prospectively, including the deformation patterns of the vehicle structure, the acceleration experienced by the vehicle during an impact, and the probability of injury predicted by human body models. Injury probability is defined using criteria, which are mechanical parameters that correlate with injury risk. A common injury criterion is the head impact criterion (HIC). Crashworthiness is measured after the fact by looking at injury risk in real-world crashes. Often, regression or other statistical methods are used to account for the many other factors that can affect the outcome of a crash.

Electric motor

Electric motor

An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. An electric generator is mechanically identical to an electric motor, but operates with a reversed flow of power, converting mechanical energy into electrical energy.

Source: "Chevrolet S-10 EV", Wikipedia, Wikimedia Foundation, (2023, March 18th), https://en.wikipedia.org/wiki/Chevrolet_S-10_EV.

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See also
References
  1. ^ Stumpf, Rob (13 December 2019). "Forget the Cybertruck: Get Yourself a Factory 1997 Chevrolet S-10 Electric Pickup". The Drive. Retrieved 1 October 2022.
  2. ^ a b c Witzenburg, Gary (11 April 2012). "Remembering the '97-'98 Chevy S-10 EV". PickupTrucks.com. Retrieved 1 October 2022.
  3. ^ Charger demonstration movie underwater. Archived from the original on 1998-06-25.
  4. ^ "Understanding kiloWatt-hours in electric cars and other gizmos". 2015-07-03. Retrieved 2016-07-12.
  5. ^ a b Fuel Economy Guide, Model Year 1999 (PDF) (Report). United States Environmental Protection Agency. 1998. Retrieved 20 March 2023.
  6. ^ "1997 Chevrolet S-10 Electric Vehicle Specifications" (PDF).
  7. ^ "1998 Chevrolet S-10 Electric w/NiMH Vehicle Specifications" (PDF).
  8. ^ "Appendix A: Solectria Corporate Overview". Electric Vehicles and Advanced Battery R&D: Hearing before the subcommitte on energy of the committe on science, space, and technology (Report). U.S. House of Representatives. June 30, 1994. Retrieved 20 February 2023.
  9. ^ U. S. Electricar Pickup (PDF) (Report). Idaho National Laboratory. Retrieved 27 February 2023.
  10. ^ "Remembering the '97-'98 Chevy S-10 EV". cars.com. 15 October 2014. Retrieved 1 October 2022.
External links

Idaho National Laboratory operated for the U.S. Department of Energy's Office of Nuclear Energy, Science and Technology:

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