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Midland class 800
The class 800 was a 2-4-0 express locomotive designed by Matthew Kirtley and built in 1870 and 1871. 30 were delivered by Neilson & Co. which were numbered 800 to 829. The rest came from the Midland's own shops at Der...
| Midland class 800Remove | |
|---|---|
| Variant | as built |
| Built | 1870-1871 |
| Manufacturers | Neilson & Co.;Derby |
| Wheel arrangement | 1B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 36578 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Midland class 800as built |
|---|---|
| Built | 1870-1871 |
| Manufacturers | Neilson & Co., Derby |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Midland class 800as built |
|---|---|
| Wheelbase | 5.03 m |
| Service mass | 36.6 t |
| Rigid wheelbase | 5.03 m |
Boiler
| Property | Midland class 800as built |
|---|---|
| Grate area | 1.579 m² |
| Firebox surface | 9.662 m² |
| Tube heating surface | 92.253 m² |
| Evaporative heating surface | 101.915 m² |
| Total heating surface | 101.9 m² |
Power plant
| Property | Midland class 800as built |
|---|---|
| Driver diameter | 2,045 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | Midland class 800as built |
|---|---|
| Power source | steam |
| Estimated power | 298 kW (405 PS) |
| Starting effort | 45.6 kN |
Calculated values
| Property | Midland class 800as built |
|---|---|
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 8.1 kW/t |
| Heating Surface Equivalent | 150.2 m² |
| Cylinder volume/HSE | 1 : 1,188.47 |
| Tractive force/Heating surface | 1 : 9.35 |
| Grate area/Heating surface | 1 : 64.54 |
| Firebox/Tube surface | 1 : 9.55 |
