Class derby-lightweight DMUs in Departmental Use
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975007
10th August 1985
This is what the Ultrasonic Test Train looked like in 1985. It consisted of two Derby Lightweight DMU vehicles carrying the numbers 975007 + 975008 and on 10 August of that year was carrying the reporting number 6Z08 while running from Derby to Marylebone when I photographed it passing Leamington Spa station. Peter Tandy.
22nd October 1985
The Derby Lightweight Ultrasonic Test Train 975007 + 975008 at Newcastle on 22/10/1985. Graeme Phillips Collection.
23rd August 1986
975007 is seen at Tyseley carriage sidings on 23.08.1986 coupled to it's long time partner 975008. Andy Cole.
July 1987
The Derby Lightweight Ultrasonic Test Train 975007 + 975008 rests probably at Reading station, circa July 1987. Stuart Mackay Collection.
16th January 1988
975007 is seen stabled at Tyseley on 16.01.1988. It was converted from 79018, and was used as an ultrsonic test train. Andy Cole.
25th July 1988
975007/975008 seen at Reading on 25/7/88. Hamish Stevenson.
Unknown Date
The Ultrasonic Test Train 975007 / 975008 in the sidings next to Leicester Station - date unknown. Ian Francis.
Unknown Date
Unknown location and date, probably Old Oak Common after withdrawal. Nick Green.
975008
circa 1970
A closeup of the probe setup on the trolley under Derby Lightweight Ultrasonic Test Train vehicle 975008. The probes were mounted on a beam with end locations on bearings linked directly to the trolley wheels keeping the probes centered over the centre of the head giving maximum access down the web for the ultrasonic signals. Philip C Johnson.
circa March 1971
The equipment operation control position on DB975008, part of the ultrasonic test train, circa March 1971. The operator can monitor the signals being recorded on film and the operation of the camera, and adjust the positions of the ultrasonic probes which he can observe through transparent panels in the floor. Image courtesy of Philip C Johnson. British Railways Board.
circa March 1971
The floor at the control desk area on Derby Lightweight Ultrasonic Test Train vehicle 975008. It shows two flaps opened up to show access to equipment and the floor windows which allow observation of the probe trolley. Image courtesy of Philip C Johnson. British Railways Board.
circa March 1971
The 35mm photographic recording unit inside 975008, part of the Derby Lightweight Ultrasonic Test Train. These recorded the results from the probes, the analysis of the film afterwards was a slow manual process restricting operation to about 2,000 miles a year. They were later replaced with magnetic tape, the digital analysis was much faster allowing yearly mileage to be increased to about 10,000 miles a year. Image courtesy of Philip C Johnson. British Railways Board.
circa March 1971
An official image showing the trolley under ultrasonic test car DB975008 (ex-79612). This carried the ultrasonic probe heads, these could be lifted to pass over points and crossings, the whole trolley would be raised clear of the rails to allow running at normal traffic speeds. British Railways Board.
circa March 1971
An official image showing the equipment operation control position on DB975008, part of the ultrasonic test train, circa March 1971. Although they can be barely seen in the poor quality image, there are floor windows on either side of the sliding seats. The operator could monitor the operation of the trolley underneath and its ultrasonic probes, the signals being produced and the recording camera function. British Railways Board.
circa March 1971
An official image showing the equipment operation control position on DB975008, part of the ultrasonic test train, circa March 1971. The operator can monitor the signals being recorded on film and the operation of the camera, adjust the positions of the ultrasonic probes which he can observe through transparent panels in the floor. British Railways Board.
circa March 1971
An official image showing the equipment operation control position on DB975008, part of the ultrasonic test train, circa March 1971. British Railways Board.
Unknown Date
DB9750008 (ex-79612) as part of the Ultrasonic Test train, Tyseley depot, probably not long after conversion. Graham Clark.
15th June 1974
The Ultrasonic Test Train at Tyseley, 15/6/74. This view clearly shows the undercarriage which dropped onto the rails when the set was recording. David Mant.
20th June 1976
The Ultrasonic Test Train is seen in Old Oak Common, 20th June 1976. Jim Ellington.
20th June 1976
975008 at Old Oak Common, 20/6/76. Jim Ellington.