Class 90 commissioning 1988
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The class 90 bo-bo locomotives were designed to complement the existing Class 87 and in fact were originally designated Class 87/2. They were designed for both locomotive-hauled and 'Push-Pull' operation and in the latter mode could be operated remotely from a Driving Van Trailer (DVT) vehicle using a Time Division Multiplex (TDM) system of control by which 'signals' are sent through the standard Railway Clearing House (RCH) lighting jumper cables to operate the controls of the locomotive. Rated at 5,000 HP with a maximum permitted speed of 110 mile/h they were well able to deal with the passenger services on the WCML 90 001 was delivered to the RTC, Derby for trials in late Autumn 1987. The fleet of 40 locos were introduced onto the WCML in 1988 and I was part of the team responsible for the commissioning of the locomotives. |
Here is a selection of photos of the class 90 on test.............
Click on the picture for a bigger image - photos are the author's unless otherwise credited
...........and in service
More pictures will be added as time permits
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