DR Class 23.10

Last updated
DR Class 23.10 (35.10)
Baureihe 23.10 35 1019-5 Wolsztyn 05.16 056.JPG
35 1019-5 in April 2016
Type and origin
Power typeSteam
Builder LKM Babelsberg  [ de ]
Serial number656002/1, 656002/2, 123003–123113
Build date1955–1959
Total produced113
Specifications
Configuration:
   Whyte 2-6-2
   UIC 1′C1′ h2
   German P 35.18
Gauge 1,435 mm (4 ft 8+12 in)
Leading dia. 1,000 mm (3 ft 3+38 in)
Driver dia.1,750 mm (5 ft 8+78 in)
Trailing dia. 1,250 mm (4 ft 1+14 in)
Tender wheels1,000 mm (3 ft 3+38 in)
Wheelbase:
  Axle spacing
(Asymmetrical)
  • 3,000 mm (9 ft 10+18 in) +
  • 2,000 mm (6 ft 6+34 in) +
  • 2,000 mm (6 ft 6+34 in) +
  • 3,100 mm (10 ft 2 in) =
  Engine10,100 mm (33 ft 1+58 in)
  Tender
  • 1,900 mm (6 ft 2+34 in) +
  • 1,900 mm (6 ft 2+34 in) +
  • 1,900 mm (6 ft 2+34 in) =
  • 5,700 mm (18 ft 8+38 in)
  incl. tender18,610 mm (61 ft 58 in)
Length:
   Over headstocks 21,360 mm (70 ft 1 in)
  Over buffers22,660 mm (74 ft 4+18 in)
Height4,550 mm (14 ft 11+18 in)
Axle load 18.3 t (18.0 long tons; 20.2 short tons)
Adhesive weight 54.7 t (53.8 long tons; 60.3 short tons)
Empty weight78.5 t (77.3 long tons; 86.5 short tons)
Service weight87.2 t (85.8 long tons; 96.1 short tons)
Tender type2′2′ T 28
Fuel typeCoal
Fuel capacity10 t (9.8 long tons; 11 short tons)
Water cap.28 m3 (6,160 imp gal; 7,400 US gal)
Firebox:
  Grate area3.71 m2 (39.9 sq ft)
Boiler:
  Pitch3,100 mm (10 ft 2 in)
  Tube plates4,200 mm (13 ft 9+38 in)
  Small tubes44.5 mm (1+34 in), 150 off
  Large tubes133 mm (5+14 in), 38 off
Boiler pressure16 bar (16.3 kgf/cm2; 232 psi)
Heating surface:
  Firebox17.9 m2 (193 sq ft)
  Tubes79.0 m2 (850 sq ft)
  Flues62.7 m2 (675 sq ft)
  Total surface159.6 m2 (1,718 sq ft)
Superheater:
  Heating area65.7 m2 (707 sq ft)
Cylinders Two, outside
Cylinder size 550 mm × 660 mm (21+58 in × 26 in)
Performance figures
Maximum speed
  • Forwards: 110 km/h (68 mph)
  • Reverse: 50 km/h (31 mph)
Indicated power1,700 PS (1,250 kW; 1,680 hp)
Career
Operators Deutsche Reichsbahn (GDR)
Numbers
  • New: 23 1001 – 23 1113
  • 1970: 35 1001 – 35 1113
Retired1991

The steam locomotives of DR Class 23.10, (from 1 June 1970 Class 35.10) were passenger train engines built for the Deutsche Reichsbahn in East Germany after the Second World War.Is produced in H0 scale to many train model railway.

Contents

History

35 1097-1 in Dresden in 1999 Br35.10.jpg
35 1097-1 in Dresden in 1999

The Class 23.10 was an evolutionary development by the DR of the DRG Class 23 standard locomotives or Einheitsdampflokomotiven built earlier by the Deutsche Reichsbahn-Gesellschaft. Only two of the latter were completed due to the onset of the war. The same dimensions were used for the driving and running gear, but the locomotives were given IfS/DR mixer-preheaters, boilers equipped with combustion chambers and a large driver's cab. The feedwater dome was omitted from locomotives numbered 23 1003 and later. The first of 113 units was deployed in 1955, and they were used for light to medium express train services, being allocated numbers 23 1001 to 23 1113.

With the introduction of EDP numbering on 1 January 1970, all locomotives were re-numbered to 35 1001 to 35 1113.

The last engines were retired from Nossen in May 1977, number 35 1113 however had to be reactivated due to the energy crisis and continued in service until 1985.

The locomotives were equipped with tenders of Class 2′2′ T 28.

Preserved locomotives

Remaining locomotives of this class today include:

See also

Literature

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