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Class 555 take the strain during traction power testing

posted on 10th Nov 2023 12:43

The new Metro trains have proved that they can take strain on a series of traction power tests over the network’s curves and gradients. Stadler’s Class 555 EMUs were put through this latest round of testing to evaluate their horsepower as part of the countdown to get the first new train ready for service next year. There was particular focus on the curved sections of Metro track at Manors and Tynemouth, and on a gradient in the underground section between Haymarket and Jesmond.

It was an examination of the new train’s ability to tow one of the old trains. This is vital given that the transition to the new fleet will see both the current and the new trains in service at the same time. Nexus, the public body which owns and manages Metro, said the tests had gone well and were part of the 90,000 different checks being undertaken to get the first new train ready for customers.

Head of Fleet and Depot Replacement for Nexus, Michael Richardson, said: “The test train was loaded with 39 tonnes of sand packages to simulate a full customer loading and then put through its paces towing one of the old two carriage sets, which, I am pleased to say, it managed comfortably and performed as expected. The team also tested that at fully laden new train is capable of hauling another one of the new trains. The power output is really impressive. It weighs 98 tonnes and then laden with 39 tonnes of extra weight it was still able to pull an old Metro car set, which with two carriages coupled together weighs 80 tonnes."

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