Data from StL&SW 1 - 1932 Folio 725 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Joseph A Strapac, Cotton Belt Locomotives (Huntington, Calif: Shade Tree Books, 1977, reprinted in 1999 by Indiana University Press), p. 88. See also DeGolyer, Vol 65, pp. 88+. Works number was 54088 in November 1920.
he 8 had a short career. Delivered to the Missouri shortline in 1920, it was taken over by the Cotton Belt (St Louis-Southwestern) in 1929, redesignated A-1, and scrapped in July 1933. Although it was indeed small for a Ten-wheeler, Locobase is still surprised that a buyer for such a new engine couldn't be found.
Data from StL&SW 1 - 1932 Folio 725 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.
NY Loco builder information from JF Webber's compilation as supplied by Allen Stanley in March 2004. This large class were works #166-195 (October-November 1886). Webber describes the class as having 16 x 24" cylinders
This railroad was reorganized as the St Louis-Southwestern (Cotton Belt) in 1891. (See [] for a detailed history of the Cotton Belt.)
Firebox heating surface includes 16 sq ft of arch tubes. In the twenties, Cotton Belt mechanics replaced slide with piston valves and fitted Walschaerts radial valve gear as well as superheating the locomotives and converting them to oil burners.
Principal Dimensions by Steve Llanso of Middle Run Media | ||
---|---|---|
Class | A1 | B3 |
Locobase ID | 8459 | 3485 |
Railroad | Deering & SouthWestern (StLSW) | St Louis, Arkansas & Texas (StLSW) |
Country | USA | USA |
Whyte | 4-6-0 | 4-6-0 |
Number in Class | 1 | 30 |
Road Numbers | 8 | 115-144 |
Gauge | Std | Std |
Number Built | 1 | 30 |
Builder | Baldwin | New York |
Year | 1920 | 1886 |
Valve Gear | Stephenson | Stephenson |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 11 / 3.35 | 14 / 4.27 |
Engine Wheelbase (ft / m) | 21 / 6.40 | 23.92 / 7.29 |
Ratio of driving wheelbase to overall engine wheelbase | 0.52 | 0.59 |
Overall Wheelbase (engine & tender) (ft / m) | 48.67 / 14.83 | 47.29 / 14.41 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 23,800 / 10,796 | |
Weight on Drivers (lbs / kg) | 71,000 / 32,205 | 78,000 / 35,380 |
Engine Weight (lbs / kg) | 101,000 / 45,813 | 113,000 / 51,256 |
Tender Loaded Weight (lbs / kg) | 95,500 / 43,318 | 79,700 / 36,151 |
Total Engine and Tender Weight (lbs / kg) | 196,500 / 89,131 | 192,700 / 87,407 |
Tender Water Capacity (gals / ML) | 4800 / 18.18 | 3800 / 14.39 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 8 / 7 | 10 / 9 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 | 43 / 21.50 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 51 / 1295 | 57 / 1448 |
Boiler Pressure (psi / kPa) | 170 / 1170 | 120 / 830 |
High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 | 17" x 24" / 432x610 |
Tractive Effort (lbs / kg) | 17,408 / 7896.15 | 12,412 / 5630.00 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.08 | 6.28 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 170 - 2" / 51 | 177 - 2" / 51 |
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 12.50 / 3.81 | 12 / 3.66 |
Firebox Area (sq ft / m2) | 90.70 / 8.43 | 121 / 11.25 |
Grate Area (sq ft / m2) | 18.10 / 1.68 | 16.70 / 1.55 |
Evaporative Heating Surface (sq ft / m2) | 1203 / 111.80 | 1225 / 113.85 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 1203 / 111.80 | 1225 / 113.85 |
Evaporative Heating Surface/Cylinder Volume | 215.21 | 194.14 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 3077 | 2004 |
Same as above plus superheater percentage | 3077 | 2004 |
Same as above but substitute firebox area for grate area | 15,419 | 14,520 |
Power L1 | 4282 | 3306 |
Power MT | 398.88 | 280.33 |