BR official
Author's collection
Author
Lab Coach 18 'Mercury'
| Prior to being incorporated into the Structure Gauging
Train RDB975280 Lab Coach 18 'Mercury' had been used in the late 1970's to monitor the
transponders then being fitted to the WCML in connection with the introduction
of the C-APT track to train communication system for the Advanced Passenger
Train.
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Here is Lab Coach 18 'Mercury'
in the formation of a scheduled passenger train on the WCML. BR official |
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This is a closer view of the transponder in
the track. Something similar is used today to control tilt on Pendolinos but
not on Class 221 Cross Country Voyagers since it is now isolated. Author's collection |
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The coach was later part of the
Structure Gauging Train (SGT) and is pictured here at Derby on 19th
September 2008 Author |