Sandy River 0-4-4 "Forney" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 4 (Locobase 1005)

Data from http://membrane.com/~elmer/rail/units/srrl.html (reviewed 13 Feb 2004) and 1934 Maine Central locomotive tables supplied by Allen Stanley in May 2005 from his extensive Rail Data Exchange. See also http://www.syix.com/twofoot/Docs/SR_4.htm (23 May 2004) and http://www.narrowgauge.iform.com.au/srrlloco.html, last accessed 1 July 2017. Works numbers were 616 in October 1890 and 622 in May 1891.

Specifications by Steve Llanso of Sweat House Media
Class4
Locobase ID1005
RailroadSandy River
CountryUSA
Whyte0-4-4T
Number in Class3
Road Numbers4-5/5-6
Gauge2'
Number Built3
BuilderPortland
Year1890
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m) 4.50 / 1.37
Engine Wheelbase (ft / m)16.21 / 4.94
Ratio of driving wheelbase to overall engine wheebase 0.28
Overall Wheelbase (engine & tender) (ft / m)16.21 / 4.94
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)22,000 / 9979
Engine Weight (lbs / kg)36,000 / 16,329
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)36,000
Tender Water Capacity (gals / ML)600 / 2.27
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT) 0.70 / 0.60
Minimum weight of rail (calculated) (lb/yd / kg/m)18 / 9
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)33 / 838
Boiler Pressure (psi / kPa)140 / 9.70
High Pressure Cylinders (dia x stroke) (in / mm)10.5" x 14" / 267x356
Tractive Effort (lbs / kg)5566 / 2524.70
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.95
Heating Ability
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)
Evaporative Heating Surface (sq ft / m2)
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)
Evaporative Heating Surface/Cylinder Volume
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation
Same as above plus superheater percentage
Same as above but substitute firebox area for grate area
Power L1
Power MT