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Nordhausen-Wernigerode Railway No. 21[h]II[/h]
In the 1930s, several narrow-gauge railways in the Harz Mountains ordered a series of steam locomotives with different wheel arrangements from Krupp, which had been developed according to the Einheitslok principles. A...
| Nordhausen-Wernigerode Railway No. 21[h]II[/h]Remove | |
|---|---|
| Variant | Standard |
| Built | 1939 |
| Manufacturers | Krupp |
| Wheel arrangement | 1C1 t |
| Gauge | 1000 mm |
| Length | 8875 mm |
| Service mass | 47580 kg |
| Top speed | 50 km/h |
| Power | |
| Engine |
General
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Built | 1939 |
| Manufacturers | Krupp |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Length | 8.88 m |
| Wheelbase | 6.06 m |
| Empty mass | 37.8 t |
| Service mass | 47.6 t |
| Adhesion mass | 30 t |
| Rigid wheelbase | 2.40 m |
| Axle load | 10 t |
| Water capacity | 5,000 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Grate area | 1.56 m² |
| Firebox surface | 7.36 m² |
| Tube heating surface | 72 m² |
| Evaporative heating surface | 79.36 m² |
| Superheater surface | 25.2 m² |
| Total heating surface | 104.6 m² |
Power plant
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Driver diameter | 1,000 mm |
| Boiler pressure | 14 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 500 mm |
Power
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 400 kW (544 PS) |
| Top speed | 50 km/h |
| Starting effort | 105.0 kN |
Calculated values
| Property | Nordhausen-Wernigerode Railway No. 21[h]II[/h] Standard Remove |
|---|---|
| Factor of adhesion | 1 : 2.80 |
| Optimal speed | 23 km/h |
| Power-to-weight ratio | 8.4 kW/t |
| Heating Surface Equivalent | 166.6 m² |
| Cylinder volume/HSE | 1 : 831.80 |
| Adhesive weight/Total | 1 : 1.59 |
| Tractive force/Heating surface | 1 : 20.96 |
| Grate area/Heating surface | 1 : 67.03 |
| Firebox/Tube surface | 1 : 9.78 |
| Total/Superheater | 1 : 3.15 |
