Class 374 (Eurostar e320)

• The years built (2011–2018, as Wikipedia has them): RAIL (6 June 2016) has the first ten trains delivered and the last seven due in traffic by 2018, and Siemens' brochure has ten ordered in December 2010 and seven more in early 2015; no source read gives the 2011 start. RAIL names Krefeld for the trains then under construction, the batch of seven; where the first ten were built is not stated in the sources read
• Length: 1,309 ft (399 m; ORR, 2025) or 1,312 ft (400 m; Siemens, 2016, rounded)
• The drawing: indicative. The end cars are measured off Eurostar's seating plan (its side view of the end car, to within 0.1% of the Velaro D's published lengths); the other cars' windows follow its coach plans, which are diagrammatic (window pitch 6 ft 7 in to 6 ft 10 in (2.00 to 2.09 m) from car to car), so they are good to about half a metre; their doors are drawn about 0.28 m from the body ends, as two photographs show them (St Pancras, 2024; Regent's Canal, 2022), which only the doors at the car-1 end of cars 2 and 5 confirm; their bogies and underframes are placed by analogy with the end car
• The drawing's colours: the Class 373's, sampled from photographs; no paint specification has been published
• The lower bodyside's grey band: its edges from photographs, to about 50 mm; its colour sampled (0.60 and 0.75 of the body on two photographs), no paint reference published
• The skirts' details (joints, grilles, the step panels): from photographs taken at an angle, positions interpolated between the windows (to about 200 mm), heights by eye (to about 100 mm); the intermediate cars' joints and grilles not drawn
• Door widths: Eurostar's accessibility guide gives clear openings of 2 ft 7 in (790 mm; coaches 1, 2 and 14) and 2 ft 11 in (890 mm; the rest, including coach 16, which mirrors coach 1); the drawn doors are the leaf as photographs show it, about 3 ft 8 in (1.12 m) on every car: the end cars' as the seat plan draws it (3 ft 8 in (1,118 mm)), the others' from photographs (St Pancras, 2024: about 3 ft 9 in (1.14 m) over the outer seals, the door window's proportion matching car 1's; set T14, Kyle, 30 October 2026)
• The bogies: SF 500 by family (Siemens' catalogue lists it under every Velaro to 2008, and the German Wikipedia under the Velaro D the e320 is built on); no source names the e320's own
• The drawing's bogies: all drawn as motor bogies (wheel-mounted discs); half the e320's bogies are trailers (32 motors of 500 kW: Wikipedia), whose discs are on the axles and hidden, but which cars carry which isn't sourced
• The drawing's pantographs: eight (Siemens), on cars 2, 4, 5, 7, 10, 12, 13 and 15, at the ends towards the middle of the train: laid out from a Commons side diagram (layout only) and confirmed on photographs (4017, 4009); where on the roof, and their folded length and height, are the diagram's; the Velaro D's German Wikipedia article (unsourced) puts its AC pantographs on cars 4 and 5 and its DC ones on 2 and 7
• The raised roof: drawn at the end car's 13 ft 9 in (4,191 mm; Eurostar's seat plan) along every intermediate car; the Velaro D's is 14 ft 3 in (4,343 mm; German Wikipedia, citing ZEVrail), and the e320's own isn't published. Its pantograph wells are drawn 24 ft 7 in (7.5 m) long, as the Commons diagram has them; oblique photographs from above (4017, 4009) look longer, perhaps 29 ft 6 in to 36 ft (9 to 11 m), but couldn't be rectified on the roof

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