Bridal Veil Lumbering Company 0-6-0 "Switcher" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class Betsy (Locobase 11094)

Data from Logging Locomotives 1913 (Philadelphia, Pa: Baldwin Locomotive Works, 1913), p 8. See also DeGolyer, Volume 48, p. 283 and a history of Bridal Veil Lumbering Company at Lewis & Clark's Columbia River - "200 Years Later"

"Bridal Veil Lumbering Company, Bridal Veil, Oregon", [], last accessed 12 January2015. Works number was 39524 in March 1913.

The balloon stack indicates a wood burner and, sure enough, the fuel capacity of the tender is given as one cord. It's quite unusual for a North American locomotive in coupling an all-adhesion six-coupled locomotive to a separate tender.

Located at the base of Bridal Veil Falls in Oregon, the logging road shared with other such lines steep grades (7%), tight curves (29 deg minimum radius), and light rail (40 lb/yard//20 kg/metre).

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID11094
RailroadBridal Veil Lumbering Company
Number in Class1
Road Numbers2
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.50 / 2.90
Engine Wheelbase (ft / m) 9.50 / 2.90
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)32.75 / 9.98
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)70,750 / 32,092
Engine Weight (lbs / kg)70,750 / 32,092
Tender Loaded Weight (lbs / kg)24,250 / 11,000
Total Engine and Tender Weight (lbs / kg)95,000 / 43,092
Tender Water Capacity (gals / ML)1000 / 3.79
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)39 / 19.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)15" x 18" / 381x457
Tractive Effort (lbs / kg)16,747 / 7596.32
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.22
Heating Ability
Tubes (number - dia) (in / mm)162 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10 / 3.05
Firebox Area (sq ft / m2)85 / 7.90
Grate Area (sq ft / m2)12.80 / 1.19
Evaporative Heating Surface (sq ft / m2)926 / 86.06
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)926 / 86.06
Evaporative Heating Surface/Cylinder Volume251.63
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2304
Same as above plus superheater percentage2304
Same as above but substitute firebox area for grate area15,300
Power L14075
Power MT380.94

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