several 0-4-0 Locomotives in Germany


Class Details by Steve Llanso of Sweat House Media

Class Kronprinzenkoog (Locobase 20235)

Data from "Tank Locomotive, The Hohenzollern Works Company, Dusseldorf, Engineers", The Engineer, Volume 50 (1 October 1880), p 244.

Even on such a small scale, designers like Gustav Lentz could reorganize the layout to tailor the locomotive to a certain set of requirements. In this case, the small side tank had a relatively long wheelbase made possible by placing the cylinders outside and between the coupled driving axles and turning the rear set of drivers. Engineer's reporter conceded that "an exceedingly steady running engine is thus made."

(Lentz was awarded patents for his mid-engine cylinder layout in Germany (August 2, 1879), Belgium (August 27,1879), Denmark (March 16, 1880), France (August 28, '1879), Great Britain (August 30, 1879), Italy (September 30, 1879), Sweden (October 4, 1879), Austro-Hungary (December 31, 1879), and the United States (Patent 231337 A--17 August 1880.)

Lentz's plan was to offer the locomotive and up to three specially designed carriages for secondary and branch line work. Only three crew--driver, stoker, and conductor--would be required as all three carriages would have a central aisle.

Apparently the idea appealed to some Prussian railways. Wikipedia lists the following railways, the number of T1 locomotives they bought and the dates:

Berlin-Hamburger Eisenbahn: four T1, SCHILDHORN to SACHSENWALD, 1880

Holsteinische Marschbahn: 2 T1, KRONPRINZENKOOG und FRIEDRICHSKOOG, 1880

Niederschlesisch-MSrkische Eisenbahn: 1 T1, Nr. 601, 1880

KED Bromberg: 2 T1, Nr. 803 und 804, 1881

KED Magdeburg: 2 T1, Nr. 865 und 866, 1881

Berlin-Stettiner Eisenbahn: 6 T1, Nr. A229 bis A234, 1881

Oberschlesische Eisenbahn: 3 T1, Nr. 622 bis 624, 1882

The data relate to the two Holsteiner locomotives. Some of the others had 300 x 420 mm cylinders, grate areas of 0.65 sq m, heating surface areas as high as 36.3 sq m, and loaded weights up to 26,000 kg.

The last of the 20 was retired in 1911.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassKronprinzenkoog
Locobase ID20235
Railroadseveral
CountryGermany
Whyte0-4-0T
Number in Class1
Road Numbers
GaugeStd
Number Built1
BuilderHohenzollern
Year1880
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.91 / 1.80
Engine Wheelbase (ft / m) 5.91 / 1.80
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 5.91 / 1.80
Axle Loading (Maximum Weight per Axle) (lbs / kg) / 7150
Weight on Drivers (lbs / kg)32,187 / 14,600
Engine Weight (lbs / kg)32,187 / 14,600
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)528 / 2
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 0.70 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)27 / 13.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)39.40 / 1000
Boiler Pressure (psi / kPa)174 / 1200
High Pressure Cylinders (dia x stroke) (in / mm)8.66" x 13.78" / 220x350
Tractive Effort (lbs / kg)3879 / 1759.49
Factor of Adhesion (Weight on Drivers/Tractive Effort) 8.30
Heating Ability
Tubes (number - dia) (in / mm)76 - 1.378" / 35
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 5.91 / 1.80
Firebox Area (sq ft / m2)21.53 / 2
Grate Area (sq ft / m2) 4.31 / 0.40
Evaporative Heating Surface (sq ft / m2)187 / 17.40
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)187 / 17.40
Evaporative Heating Surface/Cylinder Volume199.06
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation750
Same as above plus superheater percentage750
Same as above but substitute firebox area for grate area3746
Power L13584
Power MT490.97

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