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German Reichsbahn H 17 206
Germany | 1925 | only one produced

This high-pressure locomotive was created on the initiative of the director of the Schmidt superheater company from a Prussian S 102 that the Reichsbahn had made available for this purpose. The firebox was traversed by pipes in which distilled water circulated at 90 bars. The high-pressure cylinder was operated at 60 bars and the low-pressure cylinder received 14 bars. Since the expense of this conversion was not worth it compared to the extra power, the locomotive was restored to its original condition in 1929.

General
Built1925
ManufacturerVulcan
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length69 ft 6 5/8 in
Wheelbase30 ft 0 1/4 in
Fixed wheelbase15 ft 5 1/16 in
Service weight203,046 lbs
Adhesive weight132,718 lbs
Axle load45,195 lbs
Water capacity8,321 us gal
Fuel capacity15,432 lbs (coal)
Power
Power sourcesteam
Estimated power1,743 hp (1,300 kW)
Optimal speed24 mph
Top speed68 mph
Starting effort46,016 lbf
Power Plant
Driver diameter78 in
Boiler pressure870 psi
Expansion typesimple
Cylindersthree, center: 11 7/16 x 24 13/16 in
outside: 19 11/16 x 24 13/16 in
Boiler
Grate area27.6 sq ft
Calculated Values
steam locomotive
express
high pressure
prototype
last changed: 03/2023
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