Class 50 Clag Monster 50035 Ark Royal On The Severn Valley Railway Roars Away From Bridgnorth

English Electric Class 50 diesel no50035 Ark Royal at work on the Severn Valley Railway in September 2017 between Bridgnorth and Kidderminster. Ark Royal erupts with the 13:10 departure from Bridgnorth sending a large cloud of clag over the station.