| Alfa Pendular | |
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Alfa Pendular 4010 at Lousal in 2009. |
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The interior of a second class carriage. |
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| Manufacturer | FIAT Ferroviaria, ADtranz, Siemens |
| Built at | Amadora |
| Family name | Pendolino |
| Number built | 10 six-carriage units |
| Capacity | 301 seats |
| Operator | CP |
| Specifications | |
| Train length | 158.9 m (521 ft) |
| Width | 2.92 m (9 ft 7 in) |
| Height | 4.39 m (14 ft 5 in) |
| Maximum speed | 220 km/h (140 mph) |
| Weight | 298.3 t (293.6 long tons; 328.8 short tons) |
| Axle load | 14.3 t (14.1 long tons; 15.8 short tons) |
| Traction system | 8 asynchronous three-phase Siemens 1TB2223-OGA03 motors |
| Power output | 4,000 kW (5,400 hp) |
| UIC classification | (1A)(A1) – (1A)(A1) – 2′2′ + 2′2′ – (1A)(A1) – (1A)(A1) |
| Gauge | 1,668 mm (5 ft 5 2⁄3 in) |
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Legend
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Alfa Pendular is the name of the Pendolino high-speed tilting train of Portuguese state railway company CP. It connects the cities of Braga, Porto, Aveiro, Coimbra, Santarém, Lisbon, Albufeira and Faro, among others at speeds of up to 220 kilometres per hour (137 mph).
The trains were assembled by ADtranz at the Portuguese Amadora plant, on a tri-companies relation with Fiat-Ferroviaria as main contractor, ADtranz and Siemens as main subcontractors.
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The Alfa Pendular high speed train is a six car electric multiple unit (EMU), which is derived from and closely resembles the Giugiaro designed Italian Fiat-Ferroviaria ETR 480 Pendolino train. The bogies had to be redesigned to operate on Portugal's 1,668 mm (5 ft 5 2⁄3 in) Iberian gauge track.
There are 8 traction motors, installed on all but the two middle vehicles of the train, developing 4.0 megawatts (5,400 hp). This M-M-T-T-M-M arrangement spreads the weight of the train, giving a lightweight of only 13.5 tonnes (13.3 long tons; 14.9 short tons) per axle, which helps its cornering ability at high speed.
During brake tests with software protections removed, a top speed of 236.6 km/h (147.0 mph) was reached close to Oriente Station in Lisbon.
Its tilting train technology, with a maximum tilt angle of 8°, allows the train to negotiate curves at higher speeds than conventional trains. The combination of the resulting high cornering velocity and the tilting movement of the carriages helps ensure a dynamic experience.
The hydraulic tilting system is governed by two gyroscopes in the head cars. The curve is found on the base of the elevation of the external track. The use of this train does not demand particular modifications to the existing rail network, but it is expensive in terms of maintenance of the rolling stock because of the complexity of the tilting system.
The alphabetical list of stations served by the Alfa Pendular is as follows:[1]
Media related to [//commons.wikimedia.org/wiki/Category:Alfa_Pendular Alfa Pendular] at Wikimedia Commons
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