| DRG 61 001 |
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Model of 61 001 in the Nuremberg Transport Museum |
| Type and origin |
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| Power type | Steam |
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| Builder | Henschel & Sohn |
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| Serial number | 22500 |
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| Build date | 1935 |
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|
| Specifications |
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Configuration:
| |
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| • Whyte | 4-6-4T |
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| • UIC | 2′C2′ h2t |
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| • German | St 37.18 |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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| Leading dia. | 1,100 mm (3 ft 7+1⁄4 in) |
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| Driver dia. | 2,300 mm (7 ft 6+1⁄2 in) |
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| Trailing dia. | 1,100 mm (3 ft 7+1⁄4 in) |
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| Wheelbase: | |
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• Axle spacing
(Asymmetrical) | - 2,350 mm (7 ft 8+1⁄2 in) +
- 2,075 mm (6 ft 9+3⁄4 in) +
- 2,550 mm (8 ft 4+3⁄8 in) +
- 2,550 mm (8 ft 4+3⁄8 in) +
- 2,475 mm (8 ft 1+1⁄2 in) +
- 2,350 mm (7 ft 8+1⁄2 in) =
|
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| • Engine | 14,350 mm (47 ft 1 in) |
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Length:
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| • Over headstocks | 17,175 mm (56 ft 4+1⁄8 in) |
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| • Over buffers | 18,475 mm (60 ft 7+3⁄8 in) |
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| Height | 4,200 mm (13 ft 9+3⁄8 in) |
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| Axle load | 18.9 t (18.6 long tons; 20.8 short tons) |
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| Adhesive weight | 56.7 t (55.8 long tons; 62.5 short tons) |
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| Empty weight | 100.5 t (98.9 long tons; 110.8 short tons) |
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| Service weight | 129.1 t (127.1 long tons; 142.3 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 5 t (4.9 long tons; 5.5 short tons) |
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| Water cap. | 17 m3 (3,740 imp gal; 4,490 US gal) |
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| Firebox: | |
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| • Grate area | 2.75 m2 (29.6 sq ft) |
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Boiler:
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| • Pitch | 3,000 mm (9 ft 10+1⁄8 in) |
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| • Tube plates | 5,000 mm (16 ft 4+7⁄8 in) |
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| • Small tubes | 54 mm (2+1⁄8 in), 88 off |
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| • Large tubes | 143 mm (5+5⁄8 in), 33 off |
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| Boiler pressure | 20 bar (20.4 kgf/cm2; 290 psi) |
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| Heating surface: | |
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| • Firebox | 14.2 m2 (153 sq ft) |
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| • Tubes | 67.7 m2 (729 sq ft) |
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| • Flues | 70.0 m2 (753 sq ft) |
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| • Total surface | 151.9 m2 (1,635 sq ft) |
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Superheater:
| |
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| • Heating area | 69.2 m2 (745 sq ft) |
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| Cylinders | Two, outside |
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| Cylinder size | 460 mm × 750 mm (18+1⁄8 in × 29+1⁄2 in) |
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| Valve gear | Heusinger (Walschaerts) |
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| Loco brake | Hildebrand-Knorr automatic Schnellbahnbremse with auxiliary brakes and counterweight brake. Operating on both sides of all coupled and carrying wheels. |
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|
| Performance figures |
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| Maximum speed | 175 km/h (109 mph) |
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| Indicated power | 1,450 PS (1,070 kW; 1,430 hp) |
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|
| Career |
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| Operators | |
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| Numbers | 61 001 |
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| Withdrawn | November 1952 |
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|
| DRB 61 002 |
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O-scale model of 61 002 in the Dresden Transport Museum |
| Type and origin |
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| Power type | Steam |
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| Builder | Henschel & Sohn |
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| Serial number | 23515 |
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| Build date | 1939 |
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|
| Specifications |
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Configuration:
| |
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| • Whyte | 4-6-6T |
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| • UIC | 2′C3′ h3t |
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| • German | St 38.19 |
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| Driver | Divided: inner cylinder to 1st coupled axle, outer to 2nd |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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| Leading dia. | 1,100 mm (3 ft 7+1⁄4 in) |
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| Driver dia. | 2,300 mm (7 ft 6+1⁄2 in) |
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| Trailing dia. | 1,100 mm (3 ft 7+1⁄4 in) |
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| Wheelbase: | |
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• Axle spacing
(Asymmetrical) | - 2,350 mm (7 ft 8+1⁄2 in) +
- 2,100 mm (6 ft 10+5⁄8 in) +
- 2,550 mm (8 ft 4+3⁄8 in) +
- 2,550 mm (8 ft 4+3⁄8 in) +
- 2,475 mm (8 ft 1+1⁄2 in) +
- 1,500 mm (4 ft 11 in) +
- 1,500 mm (4 ft 11 in) =
|
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| • Engine | 15,025 mm (49 ft 3+1⁄2 in) |
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Length:
| |
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| • Over headstocks | 17,525 mm (57 ft 6 in) |
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| • Over buffers | 18,825 mm (61 ft 9+1⁄8 in) |
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| Height | 4,500 mm (14 ft 9+1⁄8 in) |
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| Axle load | 18.75 t (18.45 long tons; 20.67 short tons) |
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| Adhesive weight | 56.29 t (55.40 long tons; 62.05 short tons) |
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| Empty weight | 112.9 t (111.1 long tons; 124.5 short tons) |
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| Service weight | 146.29 t (143.98 long tons; 161.26 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 6 t (5.9 long tons; 6.6 short tons) |
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| Water cap. | 21 m3 (4,620 imp gal; 5,550 US gal) |
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| Firebox: | |
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| • Grate area | 2.79 m2 (30.0 sq ft) |
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Boiler:
| |
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| • Pitch | 3,060 mm (10 ft 1⁄2 in) |
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| • Tube plates | 5,000 mm (16 ft 4+7⁄8 in) |
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| • Small tubes | 54 mm (2+1⁄8 in), 80 off |
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| • Large tubes | 143 mm (5+5⁄8 in), 35 off |
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| Boiler pressure | 20 bar (20.4 kgf/cm2; 290 psi) |
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| Heating surface: | |
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| • Firebox | 14.3 m2 (154 sq ft) |
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| • Tubes | 61.5 m2 (662 sq ft) |
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| • Flues | 74.2 m2 (799 sq ft) |
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| • Total surface | 150.0 m2 (1,615 sq ft) |
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Superheater:
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| • Heating area | 73.4 m2 (790 sq ft) |
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| Cylinders | Three |
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| Cylinder size | 390 mm × 660 mm (15+3⁄8 in × 26 in) |
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| Valve gear | Heusinger (Walschaerts) |
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| Loco brake | Hildebrand-Knorr automatic Schnellbahnbremse with auxiliary brakes and counterweight brake. Operating on both sides of all coupled and carrying wheels. |
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|
| Performance figures |
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| Maximum speed | 175 km/h (109 mph) |
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|
| Career |
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| Operators | |
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| Numbers | 61 002 |
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| Disposition | Rebuilt to 18 201 in 1961 |
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The two German DRG Class 61 steam engines were express train locomotives specifically built by Henschel for the Henschel-Wegmann train in service with the Deutsche Reichsbahn. The Henschel-Wegmann train was an initiative of the German locomotive construction industry, intended to be able to demonstrate a powerful steam locomotive-hauled train alongside the emerging express diesel multiple units, such as the Hamburg Flyer.
