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Indian Railways class YL
The YL was an IRS design for mixed traffic on metre gauge . It appeared in the early fifties and was a successor of the 2-6-2 class YF of the twenties. It still had a low axle load of only eight tons for a wide route ...
| Indian Railways class YLRemove | |
|---|---|
| Variant | Standard |
| Built | 1952-1957 |
| Manufacturers | Henschel;Hitachi;MÁVAG;Robert Stephenson & Hawthorns |
| Wheel arrangement | 1C1 |
| Gauge | 1000 mm |
| Length | 16396 mm |
| Service mass | 38864 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Built | 1952-1957 |
| Manufacturers | Henschel, Hitachi, MÁVAG, Robert Stephenson & Hawthorns |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Length | 16.40 m |
| Wheelbase | 6.50 m |
| Total wheelbase | 13.36 m |
| Service mass | 38.9 t |
| Adhesion mass | 24.3 t |
| Total mass | 72.4 t |
| Rigid wheelbase | 2.54 m |
| Axle load | 8.2 t |
| Water capacity | 13,639 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Grate area | 1.649 m² |
| Firebox surface | 8.073 m² |
| Tube heating surface | 40.422 m² |
| Evaporative heating surface | 48.495 m² |
| Superheater surface | 12.077 m² |
| Total heating surface | 60.6 m² |
Power plant
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Driver diameter | 1,092 mm |
| Boiler pressure | 14.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 311 x 559 mm |
Power
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 336 kW (457 PS) |
| Starting effort | 61.0 kN |
Calculated values
| Property | Indian Railways class YL Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.91 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 8.6 kW/t |
| Heating Surface Equivalent | 113.0 m² |
| Cylinder volume/HSE | 1 : 751.94 |
| Adhesive weight/Total | 1 : 1.60 |
| Tractive force/Heating surface | 1 : 21.02 |
| Grate area/Heating surface | 1 : 36.73 |
| Firebox/Tube surface | 1 : 5.01 |
| Total/Superheater | 1 : 4.02 |
