Data from:
Svein Sando's Railway Site [
Data from Svein Sando's Railway Site [] (9 June 2004)--(Later link: The Semaphore, accessed for link update 10 July 2022.)-- and the Jernbane (Iron Road) site [
] (originally June 2004, last accessed 30 January 2010). See also DeGolyer, Volume 60, pp. 53. See also "Baldwin Locomotives for the Norwegian Government Rys", Locomotive Magazine, Volume 24 (15 January 1917), pp. 16-17. Works numbers were 45545-45546 in May 1917.
Principal Dimensions by Steve Llanso of Sweat House Media | ||
---|---|---|
Class | Class 29a/39a | Class 35a |
Locobase ID | 6172 | 6178 |
Railroad | NSB | NSB |
Country | Norway | Norway |
Whyte | 0-10-0 | 0-10-0T |
Number in Class | 7 | 2 |
Road Numbers | 166-170, 308-309 | 341-342 |
Gauge | Std | Std |
Number Built | 7 | 2 |
Builder | Hamar | Baldwin |
Year | 1913 | 1917 |
Valve Gear | Walschaert | Walschaert |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 19.03 / 5.80 | |
Engine Wheelbase (ft / m) | 19.03 / 5.80 | |
Ratio of driving wheelbase to overall engine wheelbase | 1 | |
Overall Wheelbase (engine & tender) (ft / m) | 45.77 / 13.95 | 19.03 / 5.80 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
Weight on Drivers (lbs / kg) | 178,133 / 80,800 | 148,812 / 67,500 |
Engine Weight (lbs / kg) | 178,133 / 80,800 | 148,812 / 67,500 |
Tender Loaded Weight (lbs / kg) | 93,917 / 42,600 | |
Total Engine and Tender Weight (lbs / kg) | 272,050 / 123,400 | 148,812 / 67,500 |
Tender Water Capacity (gals / ML) | 5280 / 20 | 2957 / 11.20 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 5.50 / 5 | 1.70 / 2 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 59 / 29.50 | 50 / 25 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 49.20 / 1250 | 44.50 / 1130 |
Boiler Pressure (psi / kPa) | 188.50 / 13 | 174 / 12 |
High Pressure Cylinders (dia x stroke) (in / mm) | 25.59" x 25.2" / 650x640 | 20" x 24.02" / 508x610 |
Tractive Effort (lbs / kg) | 53,741 / 24376.54 | 31,933 / 14484.58 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.31 | 4.66 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 108 - 1.875" / 48 | |
Flues (number - dia) (in / mm) | 16 - 5" / 127 | |
Flue/Tube length (ft / m) | 11.25 / 3.43 | |
Firebox Area (sq ft / m2) | 72 / 6.69 | |
Grate Area (sq ft / m2) | 35.72 / 3.32 | 15.20 / 1.41 |
Evaporative Heating Surface (sq ft / m2) | 1915 / 178 | 898 / 83.43 |
Superheating Surface (sq ft / m2) | 594 / 55.20 | 193 / 17.93 |
Combined Heating Surface (sq ft / m2) | 2509 / 233.20 | 1091 / 101.36 |
Evaporative Heating Surface/Cylinder Volume | 127.66 | 102.82 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 6733 | 2645 |
Same as above plus superheater percentage | 8349 | 3121 |
Same as above but substitute firebox area for grate area | 14,783 | |
Power L1 | 4425 | |
Power MT | 327.78 |