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GM Concepts 2003
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General Motors: Hy-wire Specification
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GM Hy-wire Vehicle
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Fuel cell and by-wire technology; front-wheel drive, new luxury
sedan |
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Seating capacity
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5 |
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Fuel storage system
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Three cylindrical high-pressure tanks of carbon composite material,
mounted in the middle of the skateboard chassis |
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Length/diameter |
1,161/241 mm (45.7/9.5 inches) |
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Total capacity |
2 kg (4.4 pounds) |
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Total weight |
75 kg (165 pounds) |
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Fuel cell stack
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200
single fuel cells; connected in a series |
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Voltage |
125-200 Volt |
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Length/width/height |
472/251/496
mm |
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Pressure |
1.5-2.7 bars |
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Continuous rating |
94 kW, peak of 129 kW |
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Power density |
1.60 kW/l, 0.94 kW/kg |
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Electrical traction system
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Three-phase asynchronous electric motor with integrated power
electronics and planetary gear |
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Operating voltage |
250-380 Volt |
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Maximum rating |
60 kW |
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Maximum torque |
215
Nm (159 lb-ft) |
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Maximum rpm |
12,000 |
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Transmission ratio |
8.67:1 |
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Total weight |
92 kg (203 pounds) |
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Skateboard chassis
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Aluminum frame |
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Length/width/height
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4,357/1,670/ 279 mm (171.5/65.7/11 inches - taller in the back) |
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Body
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Steel and fiberglass |
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Length
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5 meters (195 inches) |
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Vehicle size / weight
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Mass1,900 kg (4,185 pounds) |
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Wheel base
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3,114 mm (122.6 inches) |
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