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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 | 701-702 |
| Built | 1902-1909 |
| Manufacturers | SLM |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 18350 mm |
| Service mass | 65000 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Jura-Simplon A 3/5701-702 |
|---|---|
| Built | 1902-1909 |
| Manufacturers | SLM |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Jura-Simplon A 3/5701-702 |
|---|---|
| Length | 18.35 m |
| Wheelbase | 8.10 m |
| Service mass | 65 t |
| Adhesion mass | 45 t |
| Total mass | 103.5 t |
| Rigid wheelbase | 3.90 m |
| Water capacity | 17,000 l |
| Fuel capacity | 4.7 t (coal) |
Boiler
| Property | Jura-Simplon A 3/5701-702 |
|---|---|
| Grate area | 2.72 m² |
| Firebox surface | 13.1 m² |
| Tube heating surface | 155.7 m² |
| Evaporative heating surface | 168.8 m² |
| Total heating surface | 168.8 m² |
Power plant
| Property | Jura-Simplon A 3/5701-702 |
|---|---|
| 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 3/5701-702 |
|---|---|
| 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 3/5701-702 |
|---|---|
| Factor of adhesion | 1 : 5.04 |
| Optimal speed | 56 km/h |
| Power-to-weight ratio | 12.3 kW/t |
| Heating Surface Equivalent | 234.3 m² |
| Cylinder volume/HSE | 1 : 1,292.26 |
| Adhesive weight/Total | 1 : 1.44 |
| Tractive force/Heating surface | 1 : 10.84 |
| Grate area/Heating surface | 1 : 62.06 |
| Firebox/Tube surface | 1 : 11.89 |
