loco-info.com - South Australian class Y

General
Built	1885-1898
Manufacturer	Beyer, Peacock & Co., Islington Railway Workshops, James Martin & Co
Axle config	2-6-0 (Mogul)
Gauge	3 ft 6 in (Cape gauge)

Dimensions and Weights
Length	39 ft 3 in
Wheelbase	13 ft 4 in
Rigid wheelbase	7 ft 6 in
Total wheelbase	36 ft 2 in
Service weight	58,240 lbs	63,168 lbs
Adhesive weight	50,064 lbs	52,304 lbs
Total weight	107,000 lbs	111,888 lbs
Axle load	16,688 lbs	17,920 lbs
Water capacity	1,922 us gal
Fuel capacity	10,080 lbs (coal)

Boiler
Grate area	13.7 sq ft	13.3 sq ft
Firebox area	69.5 sq ft	76.2 sq ft
Tube heating area	709.5 sq ft	729.8 sq ft
Evaporative heating area	779 sq ft	806 sq ft
Total heating area	779 sq ft	806 sq ft

Variant	as built	rebuilt Yx

Power Plant
Driver diameter	39 in
Boiler pressure	150 psi	185 psi
Expansion type	simple
Cylinders	two, 14 1/2 x 20 in

Power
Power source	steam
Estimated power	250 hp (186 kW)	350 hp (261 kW)
Optimal speed	12 mph	13 mph
Starting effort	13,747 lbf	16,955 lbf

Calculated Values
Factor of adhesion	1 : 3.64	1 : 3.09
Power-to-weight ratio	0.0043 hp/lb	0.0055 hp/lb
Heating Area Equivalent	1,126.5 sq ft	1,187 sq ft
Cylinder volume/HAE	1 : 1034.23	1 : 981.54
Adhesive weight/Total	1 : 1.16	1 : 1.21
Tractive force/Heating area	1 : 3967.17	1 : 4729.07
Grate area/Heating area	1 : 51.90	1 : 54.77
Firebox/Tube area	1 : 10.21	1 : 9.58

steam locomotive

passenger

freight

narrow gauge

last changed: 06 2024

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