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Mecklenburg XXI
The class XXI was one of the few locomotives that were specially procured for the Grand Duchy of Mecklenburg Friedrich-Franz-Eisenbahn. It arose from the fact that a tank locomotive like the Prussian T 9 was needed fo...
| Mecklenburg XXIRemove | |
|---|---|
| Variant | 1915 variant |
| Built | 1915 |
| Manufacturers | Henschel;O&K |
| Wheel arrangement | 1C t |
| Gauge | 1435 mm |
| Length | 10375 mm |
| Service mass | 46100 kg |
| Top speed | 50 km/h |
| Power | |
| Engine |
General
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Built | 1915 |
| Manufacturers | Henschel, O&K |
| Wheel arrangement | 2-6-0T (Mogul) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Length | 10.38 m |
| Wheelbase | 5.60 m |
| Empty mass | 37.4 t |
| Service mass | 46.1 t |
| Adhesion mass | 36.1 t |
| Axle load | 12 t |
| Water capacity | 5,100 l |
| Fuel capacity | 1.5 t (coal) |
Boiler
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Grate area | 1.6 m² |
| Firebox surface | 7.41 m² |
| Tube heating surface | 92.5 m² |
| Evaporative heating surface | 99.91 m² |
| Total heating surface | 99.9 m² |
Power plant
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Driver diameter | 1,200 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 410 x 580 mm |
Power
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Power source | steam |
| Estimated power | 350 kW (476 PS) |
| Top speed | 50 km/h |
| Starting effort | 82.9 kN |
Calculated values
| Property | Mecklenburg XXI1915 variant |
|---|---|
| Factor of adhesion | 1 : 4.27 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 7.6 kW/t |
| Heating Surface Equivalent | 137.0 m² |
| Cylinder volume/HSE | 1 : 1,118.21 |
| Adhesive weight/Total | 1 : 1.28 |
| Tractive force/Heating surface | 1 : 17.32 |
| Grate area/Heating surface | 1 : 62.44 |
| Firebox/Tube surface | 1 : 12.48 |
