The Clubman/Turbostar/Electrostar platform is a modular design, optimised for speedy manufacture and easy maintenance. It consists of an underframe, which is created by seam-welding a number of aluminium alloy extrusions, upon which bodyside panels are mounted followed by a single piece roof, again made from extruded sections. The car ends (cabs) are made from glass-reinforced plastic and steel, and are huck-bolted onto the main car bodies. Underframe components are collected in ‘rafts’, which are bolted into slots on the underframe extrusion. The mostly aluminium alloy body gives light weight to help acceleration and energy efficiency. Electrostar units have a shorter 20 m long version of the Turbostar's 23 m long body.
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| - The Clubman/Turbostar/Electrostar platform is a modular design, optimised for speedy manufacture and easy maintenance. It consists of an underframe, which is created by seam-welding a number of aluminium alloy extrusions, upon which bodyside panels are mounted followed by a single piece roof, again made from extruded sections. The car ends (cabs) are made from glass-reinforced plastic and steel, and are huck-bolted onto the main car bodies. Underframe components are collected in ‘rafts’, which are bolted into slots on the underframe extrusion. The mostly aluminium alloy body gives light weight to help acceleration and energy efficiency. Electrostar units have a shorter 20 m long version of the Turbostar's 23 m long body.
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| - British Rail Class 357 "Electrostar"
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| - Class 357 006 at West Ham in the new National Express c2c livery
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| - DMSO: each, MSO and PTOSL: each
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abstract
| - The Clubman/Turbostar/Electrostar platform is a modular design, optimised for speedy manufacture and easy maintenance. It consists of an underframe, which is created by seam-welding a number of aluminium alloy extrusions, upon which bodyside panels are mounted followed by a single piece roof, again made from extruded sections. The car ends (cabs) are made from glass-reinforced plastic and steel, and are huck-bolted onto the main car bodies. Underframe components are collected in ‘rafts’, which are bolted into slots on the underframe extrusion. The mostly aluminium alloy body gives light weight to help acceleration and energy efficiency. Electrostar units have a shorter 20 m long version of the Turbostar's 23 m long body. Class 357 units were built with mph () capability, although the maximum line speed on the London, Tilbury and Southend Railway is at present only mph (). They all have air conditioning, air suspension, CCTV, standard class 3+2 Chapman seating throughout, 28 computers, sliding plug doors, and rheostatic air disc brakes. They have Tightlock fully automatic couplers but are only interoperable within their own class with other Class 357 units. There are orange LED dot matrix displays at the front of each unit which shows the time due at the destination and the name of the destination, e.g. "17.10 Shoebury", or "Not in Service" or "Empty to Depot" as necessary. The time due at the destination updates to the new time due if the train is delayed. There are also LED displays inside, at the end of each carriage above the gangway which give route and customer service information.
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