|The Bulletin concerned the 'performance and efficiency
testing' of a BR Standard Class 4, 2-cylinder 4-6-0 Mixed Traffic
Locomotive number 75006. This loco had run only 4,600 miles since being
built in September 1951.
The tests were undertaken to establish the following:
Testing was undertaken on the static test plant at Swindon and on the line between Challow and Stoke Gifford (Bristol Parkway), a distance of approx 50 miles.
Here is a summary of the tests and a few pictures.
Pictures are credited where known
|75006 pictured in full flow on the Swindon test plant|
|75006 on the road with the original GWR dynamometer car|
|The BR diagram of the Standard class 4|
|The results of the tests with 75006|
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