Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Although marvelously complete, the chart shows only the inside diameter of the wheels; Locobase estimates a 3" tire in the driver diameter shown in the specifications.
This engine (builder's #71) is a classic English six-coupled that clearly enjoyed a long life in colliery service.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
The Earl of Durham's Philadelphia shops supplied a pair of locomotives that in most respects repeated the 1877 design described in Locobase 6419. The boiler was a little smaller and had fewer tubes, but the power and weights were about the same.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
Builder's #550 was delivered to the Earl of Durham's Bunker Hill Colliery in 1865. As the railway grew and changed names, the locomotive endured for over 8 decades. It was, however, the only Beyer, Peacock locomotive listed in the 1948 roster.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
Similar in size to the Earl of Durham #3 (Locobase 6313), this six-coupled tender locomotive had a smaller firebox and shorter boiler and was considerably lighter on the rails.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
The listing didn't have the builder's number for this little 6-coupled tender, but it can't have been very high. The Earl of Durham's colliery was still working out the proper dimensions as Coulthard delivered two more in the same year with a different ratio of grate to heating surface; see 6421.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
Coulthard's first locomotive for the Earl of Durham's colliery wasn't the final word. In the same year came 7-8, slightly different from each other, yet more alike than #6. Compared to the specs shown, which refer to #8, 7 had 2 fewer tubes and thus 19 fewer square feet of heating surface, but one more square foot of firebox area.
All in all they fit right in among British colliery locomotives of the time.
Data from chart of locomotives in service on 3 colliery lines on 1 Jan 1948 published on [] (viewed 12 Oct 2004). Locobase estimates a 3" tire in the driver diameter shown in the specifications.
The 9th locomotive to come out of the Earl of Durham's Philadelphia shops, this locomotive appears to have been a slight enlargement of their #3, originally built by Beyer, Peacock. The 9 had a few more tubes of slightly greater length
Principal Dimensions by Steve Llanso of Middle Run Media | |||||
---|---|---|---|---|---|
Class | 1 | 25 | 3 | 4 | 6 |
Locobase ID | 6312 | 6422 | 6313 | 6314 | 6420 |
Railroad | Lambton Colliery | Lambton Colliery | Lambton Colliery | Lambton Colliery | Lambton Colliery |
Country | Great Britain | Great Britain | Great Britain | Great Britain | Great Britain |
Whyte | 0-6-0 | 0-6-0 | 0-6-0 | 0-6-0 | 0-6-0 |
Number in Class | 1 | 2 | 1 | 1 | 1 |
Road Numbers | 1 | 25-26 | 3 | 4 | 6 |
Gauge | Std | Std | Std | Std | Std |
Number Built | 1 | 2 | 1 | 1 | 1 |
Builder | Hudswell, Clarke | shops | Beyer, Peacock | Black, Hawthorn | Coulthard & Co, Gateshead |
Year | 1866 | 1890 | 1865 | 1866 | 1864 |
Valve Gear | Stephenson | Stephenson | Stephenson | Stephenson | Stephenson |
Locomotive Length and Weight | |||||
Driver Wheelbase (ft / m) | 13.50 / 4.11 | 16 / 4.88 | 16.25 / 4.95 | 15 / 4.57 | 14.50 / 4.42 |
Engine Wheelbase (ft / m) | 13.50 / 4.11 | 16 / 4.88 | 16.25 / 4.95 | 15 / 4.57 | 14.50 / 4.42 |
Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 | 1 | 1 | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 32.75 / 9.98 | 37 / 11.28 | 35.75 / 10.90 | 34.67 / 10.57 | 33.50 / 10.21 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 29,120 / 13,209 | 34,720 / 15,749 | 31,360 / 14,225 | ||
Weight on Drivers (lbs / kg) | 78,400 / 35,562 | 92,960 / 42,166 | 75,040 / 34,038 | 76,160 / 34,546 | |
Engine Weight (lbs / kg) | 78,400 / 35,562 | 92,960 / 42,166 | 75,040 / 34,038 | 76,160 / 34,546 | |
Tender Loaded Weight (lbs / kg) | |||||
Total Engine and Tender Weight (lbs / kg) | |||||
Tender Water Capacity (gals / ML) | 2160 / 8.18 | 2160 / 8.18 | 2160 / 8.18 | 1800 / 6.82 | 1800 / 6.82 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 5 / 5 | 5 / 5 | 5 / 5 | 4.50 / 4 | 4.50 / 4 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 44 / 22 | 52 / 26 | 42 / 21 | 42 / 21 | |
Geometry Relating to Tractive Effort | |||||
Driver Diameter (in / mm) | 49 / 1245 | 55 / 1397 | 55 / 1397 | 54 / 1372 | 55 / 1397 |
Boiler Pressure (psi / kPa) | 150 / 1030 | 160 / 1100 | 165 / 1140 | 150 / 1030 | 150 / 1030 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 | 17" x 24" / 432x610 | 17" x 24" / 432x610 | 16" x 24" / 406x610 | 16" x 24" / 406x610 |
Tractive Effort (lbs / kg) | 18,048 / 8186.44 | 17,151 / 7779.57 | 17,687 / 8022.70 | 14,507 / 6580.27 | 14,243 / 6460.52 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.57 | 5.26 | 5.17 | 5.35 | |
Heating Ability | |||||
Tubes (number - dia) (in / mm) | 137 - 2" / 51 | 150 - 2" / 51 | 152 - 2" / 51 | 168 - 2" / 51 | 138 - 2" / 51 |
Flues (number - dia) (in / mm) | |||||
Flue/Tube length (ft / m) | 10.23 / 3.12 | 11.71 / 3.57 | 11.43 / 3.48 | 10.60 / 3.23 | 10.33 / 3.15 |
Firebox Area (sq ft / m2) | 88 / 8.18 | 90 / 8.36 | 102.50 / 9.53 | 95 / 8.83 | 76 / 7.06 |
Grate Area (sq ft / m2) | 13.20 / 1.23 | 14.10 / 1.31 | 16.50 / 1.53 | 13.80 / 1.28 | 20 / 1.86 |
Evaporative Heating Surface (sq ft / m2) | 840 / 78.07 | 1023 / 95.07 | 1006 / 93.49 | 1005 / 93.40 | 811 / 75.37 |
Superheating Surface (sq ft / m2) | |||||
Combined Heating Surface (sq ft / m2) | 840 / 78.07 | 1023 / 95.07 | 1006 / 93.49 | 1005 / 93.40 | 811 / 75.37 |
Evaporative Heating Surface/Cylinder Volume | 133.23 | 162.25 | 159.56 | 179.94 | 145.21 |
Computations Relating to Power Output (More Information) | |||||
Robert LeMassena's Power Computation | 1980 | 2256 | 2723 | 2070 | 3000 |
Same as above plus superheater percentage | 1980 | 2256 | 2723 | 2070 | 3000 |
Same as above but substitute firebox area for grate area | 13,200 | 14,400 | 16,913 | 14,250 | 11,400 |
Power L1 | 2487 | 3426 | 3643 | 3577 | 2932 |
Power MT | 289.02 | 259.19 | 315.27 | 254.62 |
Principal Dimensions by Steve Llanso of Middle Run Media | ||
---|---|---|
Class | 8 | 9 |
Locobase ID | 6421 | 6419 |
Railroad | Lambton Colliery | Lambton Colliery |
Country | Great Britain | Great Britain |
Whyte | 0-6-0 | 0-6-0 |
Number in Class | 2 | 1 |
Road Numbers | 7-8 | 9 |
Gauge | Std | Std |
Number Built | 2 | 1 |
Builder | Coulthard & Co, Gateshead | shops |
Year | 1864 | 1877 |
Valve Gear | Stephenson | Stephenson |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 15 / 4.57 | 16 / 4.88 |
Engine Wheelbase (ft / m) | 15 / 4.57 | 16 / 4.88 |
Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 33.50 / 10.21 | 37 / 11.28 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
Weight on Drivers (lbs / kg) | 72,128 / 32,717 | |
Engine Weight (lbs / kg) | 72,128 / 32,717 | |
Tender Loaded Weight (lbs / kg) | ||
Total Engine and Tender Weight (lbs / kg) | ||
Tender Water Capacity (gals / ML) | 1800 / 6.82 | 2160 / 8.18 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4.50 / 4 | 5 / 5 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 40 / 20 | |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 55 / 1397 | 55 / 1397 |
Boiler Pressure (psi / kPa) | 160 / 1100 | 150 / 1030 |
High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 | 17" x 24" / 432x610 |
Tractive Effort (lbs / kg) | 15,192 / 6890.98 | 16,079 / 7293.32 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.75 | |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 142 - 2" / 51 | 159 - 2" / 51 |
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 10.58 / 3.22 | 11.67 / 3.56 |
Firebox Area (sq ft / m2) | 89 / 8.27 | 90 / 8.36 |
Grate Area (sq ft / m2) | 13.77 / 1.28 | 14.10 / 1.31 |
Evaporative Heating Surface (sq ft / m2) | 858 / 79.74 | 1044 / 97.03 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 858 / 79.74 | 1044 / 97.03 |
Evaporative Heating Surface/Cylinder Volume | 153.62 | 165.58 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 2203 | 2115 |
Same as above plus superheater percentage | 2203 | 2115 |
Same as above but substitute firebox area for grate area | 14,240 | 13,500 |
Power L1 | 3422 | 3258 |
Power MT | 313.78 |