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Clinchfield class L-3
When the Clinchfield needed more 2-8-8-2 Mallets in 1923, they had two earlier classes to take as a basis: either the L-1 built by Baldwin in 1919 after their own design or the USRA standard design built by Baldwin in...
General
| Property | Clinchfield class L-3Remove |
|---|---|
| Built | 1923 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-8-8-2 (Mikado Mallet) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Clinchfield class L-3Remove |
|---|---|
| Wheelbase | 17.68 m |
| Rigid wheelbase | 4.80 m |
| Total wheelbase | 28.80 m |
| Service weight | 245.4 t |
| Adhesive weight | 220.7 t |
| Axle load | 28.1 t |
| Total weight | 340.2 t |
| Water capacity | 45,425 l |
| Fuel capacity | 14.5 t (coal) |
Boiler
| Property | Clinchfield class L-3Remove |
|---|---|
| Grate area | 8.919 m² |
| Firebox surface | 40.413 m² |
| Tube heating surface | 528.154 m² |
| Evaporative heating surface | 568.567 m² |
| Superheater surface | 137.032 m² |
| Total heating surface | 705.6 m² |
Power plant
| Property | Clinchfield class L-3Remove |
|---|---|
| Driver diameter | 1,448 mm |
| Boiler pressure | 16.5 bar |
| Expansion type | compound |
| Cylinders | four, HP: 635 x 813 mm and LP: 991 x 813 mm |
Power
| Property | Clinchfield class L-3Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,908 kW (3,954 PS) |
| Starting effort | 451.3 kN |
| Starting effort simple | 541.6 kN |
Calculated values
| Property | Clinchfield class L-3Remove |
|---|---|
| Factor of adhesion | 1 : 4.80 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 11.9 kW/t |
| Heating Surface Equivalent | 1,044.7 m² |
| Cylinder volume/HSE | 1 : 1,092.41 |
| Adhesive weight/Total | 1 : 1.11 |
| Tractive force/Heating surface | 1 : 13.36 |
| Grate area/Heating surface | 1 : 79.11 |
| Firebox/Tube surface | 1 : 13.07 |
| Total/Superheater | 1 : 4.15 |
