Trailer Control

Trailer Control

Bi-mode trains are all the rage now - but they are just the latest solution to a problem that has arisen before and which gave rise 50 years ago to a unique, but unpowered, multiple unit train known as the 4-TC, as EVAN GREEN-HUGHES discovers.

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Above: A 12-car London Waterloo-Bournemouth train approaches Farnborough in May 1967. It is lead by two 4-TC sets which are being propelled by a powered 3,200hp 4-REP unit, all of which are finished in BR blue with small yellow warning panels. Patrick Russell/Rail Archive Stephenson.

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