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Description
Earl Marishal. 2002 P2
The second locomotive, No. 2002 Earl Marischal, (the title of Earl Marischal was created in the peerage of Scotland for William Keith, the Great Marischal of Scotland) was completed in October 1934. This was identical to No. 2001 Cock o' the North but with piston valves, Walschaerts/Gresley valve gear, the ACFI feed water heater was removed. This also ran a series of trials before entering regular daily service in Scotland in June 1935. Due to the use of Walschaerts and Gresley valve gear rather than the poppet valve gear, No. 2002's draughting characteristics were different to those of No. 2001. Trials found that a combination of a 5.75in diameter blastpipe top and No. 3 taper blocks worked best.
The second locomotive, No. 2002 Earl Marischal, (the title of Earl Marischal was created in the peerage of Scotland for William Keith, the Great Marischal of Scotland) was completed in October 1934. This was identical to No. 2001 Cock o' the North but with piston valves, Walschaerts/Gresley valve gear, the ACFI feed water heater was removed. This also ran a series of trials before entering regular daily service in Scotland in June 1935. Due to the use of Walschaerts and Gresley valve gear rather than the poppet valve gear, No. 2002's draughting characteristics were different to those of No. 2001. Trials found that a combination of a 5.75in diameter blastpipe top and No. 3 taper blocks worked best.
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