The Bulletin concerned the 'performance and efficiency
testing' of two versions of 2-cylinder War Department Austerity class 9
locomotives, the 2-8-0 and the 2-10-0. These locos were designed by R A
riddles during the 1939-45 war for the Ministry of Supply. The 2-8-0 locomotive was numbered 90464 and the 2-10-0 was 90772, both locos had run approx 500 miles sine their last general overhaul. Both locos were fitted with live steam injectors. The tests which took place during 1953 were undertaken to establish the following:
Testing was undertaken on the line between Carlisle and Hurlford, near Kilmarnock on the Scottish Region of BR utilising the Mobile Test Plant as a load and based at Durranhill MPD. The special tender attached to each locomotive was divided in two such that weighed bags of coal for the test were carried on one side and ordinary loose coal for transit and shunting moves on the other. Here are a few pictures of the tests and a summary graph.Nottingham |
Pictures are BR official except where credited