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Jura-Simplon A 3/5
As the designation suggests, the A 3/5 was a type of express locomotive with five axles in total, of which three were powered. It was ordered after the 4-4-0 of the type A 2/4 had become too weak for heavier and heavi...
| Jura-Simplon A 3/5Remove | |
|---|---|
| Variant | 703-809 |
| Built | 1903-1909 |
| Manufacturers | SLM |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 18600 mm |
| Service mass | 64150 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Built | 1903-1909 |
| Manufacturers | SLM |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Length | 18.60 m |
| Wheelbase | 8.35 m |
| Total wheelbase | 15.30 m |
| Empty mass | 57.8 t |
| Service mass | 64.2 t |
| Adhesion mass | 46 t |
| Total mass | 101.7 t |
| Rigid wheelbase | 4.15 m |
| Water capacity | 17,000 l |
| Fuel capacity | 4.7 t (coal) |
Boiler
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Grate area | 2.62 m² |
| Firebox surface | 15.5 m² |
| Tube heating surface | 150 m² |
| Evaporative heating surface | 165.5 m² |
| Total heating surface | 165.5 m² |
Power plant
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Driver diameter | 1,780 mm |
| Boiler pressure | 15 bar |
| Expansion type | compound |
| Cylinders | four, HP: 360 x 660 mm and LP: 570 x 660 mm |
Power
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Power source | steam |
| Estimated power | 800 kW (1,088 PS) |
| Top speed | 100 km/h |
| Starting effort | 87.6 kN |
| Starting effort simple | 105.1 kN |
Calculated values
| Property | Jura-Simplon A 3/5703-809 |
|---|---|
| Factor of adhesion | 1 : 5.15 |
| Optimal speed | 56 km/h |
| Power-to-weight ratio | 12.5 kW/t |
| Heating Surface Equivalent | 243.0 m² |
| Cylinder volume/HSE | 1 : 1,245.99 |
| Adhesive weight/Total | 1 : 1.39 |
| Tractive force/Heating surface | 1 : 11.05 |
| Grate area/Heating surface | 1 : 63.17 |
| Firebox/Tube surface | 1 : 9.68 |
