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Dodge EPIC

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Dodge EPIC
Body and chassis
LayoutFF
PlatformChrysler minivans (AS)
RelatedChrysler TEVan
Powertrain
Electric motorDC
TransmissionTwo-speed
BatteryPbAorNiFe
Electric range120 mi (190 km) (claimed)

TheDodge EPICwas aconceptbattery electricminivandesigned and built byDodge,using the drivetrain from theChrysler TEVan.The EPIC was first shown at the1992North American International Auto Show.EPIC stands forElectric Power Interurban Commuter.After the show car was unveiled in 1992, a production version based on thethird generation Chrysler minivanswas made available to fleets between 1997 and 2003, sold as theDodge CaravanEPICandPlymouth VoyagerEPIC.

History

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Concept

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TheChrysler TEVanhad been in development since before 1990, when a prototype was shown to journalists;[1]the battery electric drivetrain was reused for the concept EPIC,[2]which was shown first at the 1992 North American International Auto Show.[3]The styling was considered futuristic at the time; unlike contemporary, boxy minivans, the EPIC had a streamlined, oval body, which inspired the design of the third generation of theChrysler minivans.[4]

The concept EPIC appeared in the first episode of the 1994–1999 NBC TV seriesViper.[5]

Production

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    • Dodge CaravanEPIC
    • Plymouth VoyagerEPIC
Dodge CaravanEPIC
Overview
Model years1997–2004
AssemblyWindsor Assembly
Body and chassis
LayoutFF
PlatformChrysler minivans (NS)
Powertrain
Electric motorAC synchronous
TransmissionSingle-speed
BatteryPbAor 360 VNiMH[6]
Electric range80–90 mi (130–140 km) (NiMH)[6]
Plug-in charging208–240 VAC[6]or 440 VDC
Dimensions
Wheelbase2,870 mm (113 in)[6]

In 1993, Chrysler began producing theTEVanfor fleet sales. This was a version of the contemporarysecond generation Caravanwith an electric drivetrain; approximately 50 were built before production was discontinued in 1995.[7]

A battery electric variant of the short-wheelbasethird generation Chrysler minivanswas introduced in 1997 for lease to fleets as the Dodge CaravanEPICand Plymouth VoyagerEPIC,[8]taking the EPIC suffix from the earlier 1992 concept, equipped with high-voltagelead acidbatteries. The first 17 Dodge Caravan EPIC minivans were delivered to government clients in California by June 1997: six toNaval Construction Battalion Center Port Hueneme,five toMarch Air Force Base,four toMcClellan Air Force Base,and two toSouthern California Edison.[9]Fewer than 20 were leased with the lead-acid batteries.[10]In 1998,nickel metal-hydride(NiMH) batteries were fitted with production scheduled to begin in October,[11]and it was offered for lease to fleets inNew YorkandCaliforniastarting with the 1999 model year.[10]

Production ceased in 2003. The batteries were removed from the fifty EPICs produced that year; the vehicles were crushed and scrapped before any were sold.[2]

Reintroduction

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Chrysler Corporationreportedly had plans to reintroduce a battery electricminivan,as shown by concepts it developed after purchasingGlobal Electric Motorcars(GEM) in 2000, such as theChrysler EVandChrysler ecoVoyager.Thevanwould have specifications that were similar to the EPIC. Chrysler killed off the plan in 2011, and sold its GEM brand to theATVandsnowmobilemanufacturerPolarisshortly after.[12]

Technical details

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1992 EPIC concept

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The TEVan was fitted with a DC traction motor which was manufactured byGeneral Electric,featuring an output of 70 hp (52 kW) peak, 35 hp (26 kW) continuous. The motor was coupled to a two-speed FWD trans-axle that featured Hi, Lo, Reverse and Park. The TEVan was equipped with eitherlead-acidornickel-iron batterychemistries.[2]

The concept EPIC used the same drivetrain as the TEVan;[2]as equipped with the nickel-iron cells, the vehicle had a maximum range of 120 miles (193 km) on only one charge and had a top speed of 65 mph (105 km/h).[4]

1997 production EPIC

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The production EPIC, based on the third generation minivans, was equipped an AC traction motor and single speed transmission, with a peak output of 100 hp (75 kW) and continuous output of 75 hp (56 kW),[2]giving it a top speed of 80 mph (130 km/h).[8]

With the lead-acid battery, the EPIC had a range of 68 mi (109 km).[10]As tested by Southern California Edison, urban range varied from 46.2 to 58.6 mi (74.4 to 94.3 km), depending on load, and freeway range varied from 52.6 to 60.8 mi (84.7 to 97.8 km); total energy used was approximately 32–35 kW-hr, as measured from AC energy drawn by the charger after each test, which includes charging losses.[13]

The NiMH battery used 30 cells manufactured bySaft,with each cell operating at 12 V and providing 1 kW-hr of storage, giving an aggregated capacity of 30 kW-hr;[8]the entire battery pack weighed 1,200 lb (540 kg) with coolant.[14]

The reduced battery weight improved performance, giving the 1999 EPIC a maximum payload of 945 lb (429 kg) and acceleration of 0–50 mph (0–80 km/h) in 12 seconds; range improved to 80 mi (130 km) under the SAE J1634 testing cycle.[14]: 5 As tested by Southern California Edison, urban range varied from 63.6 to 82.0 mi (102.4 to 132.0 km), depending on load, and freeway range varied from 68.6 to 99.3 mi (110.4 to 159.8 km); total energy used was approximately 50–55 kW-hr, as measured from AC energy drawn by the charger after each test, which includes charging losses.[15]Per the manufacturer, the production EPIC had a maximum payload (including passengers) of 800 lb (360 kg) with a 5,900 lb (2,700 kg)GVWR,giving an estimatedkerb weightof 5,100 lb (2,300 kg).[8]

A 440 V DC charger was able to recharge the battery within half an hour; the standard charger operated on 208–240 V AC with a six to eight hour charge time.[8]

References

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  1. ^"Electric Van Enters Production".Popular Mechanics.March 1990. p. 17.Retrieved31 May2024.
  2. ^abcdeZatz, David."Electric minivans (the originals): TEVan and EPIC".MoTales.Retrieved31 May2024.
  3. ^"Big 3, automakers plugging in to electric car idea".Poughkeepsie Journal.Gannett. March 8, 1992.Retrieved29 May2024.
  4. ^abMcCosh, Dan (May 1992)."Concept USA: Detroit Designs For The Future".Popular Science.pp. 87, 114.
  5. ^"Viper, TV Series, 1994-1999".Internet Movie Cars Database.Retrieved31 May2024.
  6. ^abcd"Chrysler Corporation EPIC Minivans: Fact Sheet".Chrysler Corporation. 1998. Archived fromthe originalon March 3, 2000.
  7. ^Streeter, Mercedes (January 25, 2023)."Chrysler Made A Rare Electric Minivan In The 1990s, And You Can Own One Of Them Today".The Autopian.Retrieved29 May2024.
  8. ^abcdeCarney, Dan (October 8, 2023)."Chrysler's EPIC Original Battery-Electric Minivan".Battery Technology.Retrieved31 May2024.
  9. ^"Chrysler delivers electric minivans to government fleet customers"(Press release). DaimlerChrysler. June 16, 1997. Archived fromthe originalon November 4, 1999.
  10. ^abc"Electric Minivans for Fleets".Green Car Journal.August 1998.Retrieved31 May2024.
  11. ^Sanchez, Ben; Argueta, Juan (November 1999).Performance characterization: 1999 Chrysler EPIC with Saft nickel/metal-hydride battery(PDF)(Report). Southern California Edison.Retrieved29 May2024.
  12. ^Ayapana, Erick (April 26, 2011)."Discharged: Chrysler Sells Off Electric GEM Subsidiary".Motor Trend.Retrieved31 May2024.
  13. ^Electric Vehicle Performance Characterization Summary: Chrysler EPIC, Lead Acid Batteries(PDF)(Report). Southern California Edison, Electric Transportation Division. June 1997. Archived fromthe original(PDF)on April 24, 2003.
  14. ^ab"History of Electric Cars"(PDF).Idaho National Laboratory. 2016.Retrieved31 May2024.
  15. ^Electric Vehicle Performance Characterization Summary: Chrysler EPIC, NiMH Batteries(PDF)(Report). Southern California Edison, Electric Transportation Division. August 1999. Archived fromthe original(PDF)on August 27, 2002.
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