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Bc Class
CLASS  Bc    2-8-2


Introduced: 1902 Number in Class: 1

Bc Class Register




Locomotive Specifications

Builder:
  Baldwin Locomotive Works, Philadelphia, USA

Engine Weight:    
45.4 tons
Tender Weight:    
26.0 tons
Total Weight:    71.4 tons Adhesive Weight:    
33.9 tons
Length over Buffers:    
55' 7"
Total Wheelbase:    47' 4" Engine Wheelbase:    24' 2" Coupled Wheelbase:    
11' 9"
Tender Wheelbase:    
12' 6"
Driver Wheel Dia.:    43" Cylinders HP:    
Two - 11" x 20"
Cylinders LP:    Two - 19" x 20"
Grate Area:    25.0 sq ft Evaporative Area:    
1477 sq ft
Superheated Area:     Working Pressure:    
200 psig
Tractive Effort:    
16080 lbs f
Coal Capacity:    4.0 tons Oil Capacity:     Water Capacity:    
1660 gals

Remarks:     At the time of introduction, this locomotive was the largest and most powerful engine in the country. A Vauclain compound, she was an enlarged and improved version of "Consolidation" N.16, and had a wide-firebox boiler and a trailing truck similar to that provided for the NZR 'Q' class Pacifics. No.17 had the distinction of being the only "Mikado" type to run in New Zealand. The big engine made easy work of handling 280 tons on the 1 in 56 ruling grade between Paekakariki and Wellington. When taken over by the NZR it was given Class 'Bc', number 463. Ex Wellington & Manawatu Railway Co. #17.