QSK19
Member
The 810 has been classed as a brand new product: https://www.railwaygazette.com/uk/d...rs-aurora-a-new-hitachi-product/58240.article . So the whole slate of tests is needed.Technically it is a brand new train, but in reality is basically same as an 805 and earlier 5car 80x with shorter bodywork.
Its not like it will take much testing to discover if it works with one less window in each carriage side, and different colour paint. Ultimately it has same engine, bogies, braking, and control gear etc.
Others here have stated the significant design and technical differences between the 810s and 80x; so I won’t cover that ground again.
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