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Introduced: 1901
Number in Class: 10
Locomotive Specifications
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| Engine Weight: 38.1 tons |
Tender Weight: 24.5 tons | Total Weight: 62.6 tons | Adhesive Weight: 26.8 tons |
| Length over Buffers: 49' 6" |
Total Wheelbase: 42' 6" | Engine Wheelbase: 21' 3" | Coupled Wheelbase: 10' 0" |
| Tender Wheelbase: 13' 0" |
Driver Wheel Dia.: 49 1/8" | Cylinders HP: Two - 16" x 22" |
Cylinders LP: |
| Grate Area: 17.0 sq ft | Evaporative Area: 975 sq ft |
Superheated Area: | Working Pressure: 200 psig |
| Tractive Effort: 18340 lbs f |
Coal Capacity: 4.0 tons | Oil Capacity: | Water Capacity: 1700 gals |
| Remarks: While these locomotives came from Britain, they represented the final development of the Addington ten-wheeler. They were fine looking engines and were similar to the 'Ua' class except for the higher running boards. Other differences the 'Uc' had over the 'U' and 'Ua' were the cylinders being enlarged to give a longer stroke, piston valves were added, and the boiler had a larger firebox, and carried a working pressure of 200 lbs sq in. With less adhesive weight, the 'Uc' was apt to wheel-slip badly, and it was a "great coal-scoffer" and not easy to fire. |
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