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Class 769 Flex trains

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Hartill

Posts: 44
Class 769 Flex trains - Posted: April 11, 2018 - 8:16 PM Quote and reply
The 319 conversions to BI modes should be doing test runs on the GCR soon.

At a recent presentation it was said the bench mark for these sets will be to match 150's uphill and current simulations show they can keep time on the services that are being proposed. In the diesel mode the trains will still have a 100mph top speed so while the power may not be there they will be able to use gravity and also the 75mph cut off on the 15X sets will not apply so they can keep going to a natural balancing speed.

The two diesel alternator sets are on rafts and will add about 7t to the driving cars. For major faults or extensive maintainance the raft can be dropped from the trains and a replacement one put in. The diesel power pack and control was described as tricking the unit into thinking its on the 3rd rail. The sets can also be 750v enabled. There may well be more customers that Northern and Arriva Wales

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Sean Emmett

Posts: 152
Re: Class 769 Flex trains - Posted: April 12, 2018 - 12:03 AM Quote and reply
Hartill said:
The 319 conversions to BI modes should be doing test runs on the GCR soon.

There may well be more customers that Northern and Arriva Wales


Rail Forums and WNXX suggesting that GWR are interested in 769s for Reading - Gatwicks and diagrams that some of the 387s can't cover as 12 of them will be replacing 332s on HEX, which will go to replace xxx somewhere else or be scrapped.

So that 750V DC capability may be needed after all...





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