Quote:
Originally Posted by JEB-245584/2
The only problem a Metro-Link tram has is wheel profile, orginally the tyres were turned to a profile which was slightly different from a heavy rail one, but could still run on the original BR tracks on the Altrincham and Bury lines and the new city centre and Eccles routes.
Since the track was relayed they have been turned to a tram profile which is ok on plain rail track but can have problems on check rails and pointwork on the heavy rail system.
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Thanks for that JEB. I had forgotten about wheel profile differences when comparing trams and heavy rail vehicles.
Years ago I believe that there were some places where heavy rail wagons were allowed to traverse street tram lines by running on their flanges due to the lower profile track.