loco-info.com - Imperial-Royal State Railways class 97 and Austrian Southern Railway class 100

Dimensions and Weights
Length	26 ft 0 1/16 in
Wheelbase	8 ft 10 5/16 in
Rigid wheelbase	8 ft 10 5/16 in
Empty weight	48,722 lbs	49,824 lbs
Service weight	63,934 lbs	67,461 lbs
Adhesive weight	63,934 lbs	67,461 lbs
Water capacity	793 us gal	1,083 us gal
Fuel capacity	2,205 lbs (coal)	3,307 lbs (coal)

Boiler
Grate area	11.2 sq ft
Firebox area	46.8 sq ft	46.9 sq ft
Tube heating area	589 sq ft
Evaporative heating area	635.8 sq ft
Total heating area	635.8 sq ft

Variant	early varian	late variant

Power Plant
Driver diameter	37.4 in
Boiler pressure	145 psi	160 psi
Expansion type	simple
Cylinders	two, 13 9/16 x 18 7/8 in	two, 12 13/16 x 18 7/8 in

Power
Power source	steam
Indicated power	308 hp (230 kW)
Optimal speed	17 mph	18 mph
Top speed	25 mph
Starting effort	11,489 lbf	11,215 lbf

Calculated Values
Factor of adhesion	1 : 5.57	1 : 6.02
Power-to-weight ratio	0.0048 hp/lb	0.0046 hp/lb
Heating Area Equivalent	869.9 sq ft	870.6 sq ft
Cylinder volume/HAE	1 : 1110.40	1 : 1109.58
Adhesive weight/Total	1 : 1.00
Tractive force/Heating area	1 : 4062.18	1 : 3965.30
Grate area/Heating area	1 : 52.62
Firebox/Tube area	1 : 12.58	1 : 12.55

steam locomotive

passenger

freight

secondary line

tank locomotive

last changed: 08 2023

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