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Page views since 2023-01-26: 690228

Germany | 1856
10 produced

Muldenthal in front of the Dresden Transport Museum

Muldenthal in front of the Dresden Transport Museum

Rainer Haufe CC BY-SA: Attribution-ShareAlike

CC BY-SA: Attribution-ShareAlike

Variant	1856 variant	1859 variant	1874 variant

General
Built	1856	1859-1862	1874
Manufacturer	Hartmann
Axle config	2-4-0T (Porter)
Gauge	4 ft 8 1/2 in (Standard gauge)

Dimensions and Weights
Wheelbase	11 ft 8 3/4 in
Rigid wheelbase	5 ft 1 in
Empty weight	61,288 lbs	64,595 lbs	66,139 lbs
Service weight	71,650 lbs	74,957 lbs	82,453 lbs
Adhesive weight	58,863 lbs	59,304 lbs	64,816 lbs
Axle load	29,542 lbs	29,762 lbs	32,408 lbs
Water capacity	502 us gal	581 us gal	845 us gal
Fuel capacity	2,205 lbs (coal)		2,866 lbs (coal)

Boiler
Grate area	8.6 sq ft	11.8 sq ft
Firebox area	57 sq ft	65.7 sq ft	63.5 sq ft
Tube heating area	778.2 sq ft	780.4 sq ft
Evaporative heating area	835.3 sq ft	842.8 sq ft	843.9 sq ft
Total heating area	835.3 sq ft	842.8 sq ft	843.9 sq ft

Variant	1856 variant	1859 variant	1874 variant

Power Plant
Driver diameter	53.9 in		54.7 in
Boiler pressure	102 psi		123 psi
Expansion type	simple
Cylinders	two, 15 x 22 1/16 in

Power
Power source	steam
Estimated power	134 hp (100 kW)	174 hp (130 kW)
Optimal speed	11 mph	14 mph	12 mph
Top speed	31 mph
Starting effort	7,935 lbf		9,500 lbf

Calculated Values
Factor of adhesion	1 : 7.42	1 : 7.48	1 : 6.83
Power-to-weight ratio	0.0019 hp/lb	0.0023 hp/lb	0.0021 hp/lb
Heating Area Equivalent	1,120.5 sq ft	1,174.3 sq ft	1,161.4 sq ft
Cylinder volume/HAE	1 : 1226.61	1 : 1170.40	1 : 1183.41
Adhesive weight/Total	1 : 1.22	1 : 1.26	1 : 1.27
Tractive force/Heating area	1 : 2135.64	1 : 2116.55	1 : 2530.76
Grate area/Heating area	1 : 90.38	1 : 65.91
Firebox/Tube area	1 : 13.64	1 : 11.89	1 : 12.29

steam locomotive

freight

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