Syracuse & Utica 6-2-0 "Crampton" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class Lightning (Locobase 4897)

Data from Comstock (1971) and http://www.livgenmi.com/1899LocomotiveHistory~54.htm . See also "An Early Norris Express Locomotive," American Engineer and Railroad Journal, Volume LXIX [59], No. 2 (), p.87.

Unusual locomotive that wasn't really a 6-2-0, but rather a 6-(4+2)-2-0. Under the very tall stack rode a short-wheelbase bogie of two axles. Farther back, just ahead of the single set of drivers and behind the dome was a bearer axle with wheels slightly larger in diameter than the bogie wheels . A Crampton-like locomotive, it showed the speed these engines could reach when it covered 16 miles in 13 minutes 21 min. Its average speed was 71.9 mph (116 kph) while hauling eight eight-wheel cars.

But Lightning lacked adhesion and proved a short-lived phenomenon. Or, as William Buchanan, then locomotive superintendent of the New York & Hudson River Railroad, put it in 1895 (two years after his 999 [Locobase 1116] reputedly hit 112 mph) is said to have remarked, the Lightning's boiler "was too small to make steam, the cylinders were not large enough for the driving-wheels, and the wheels had not weight enough for adhesion, and that consequently the engine was not successful."

. Boiler pressure is estimated. Staufer (1967) says the tube area was about 670 sq ft; data from other sources give the tube count, diameter, and length as shown, which yields 731 sq ft. Adding in the reported firebox heating surface gives the total heating surface as shown.

Specifications by Steve Llanso of Sweat House Media
ClassLightning
Locobase ID4897
RailroadSyracuse & Utica (NYC)
CountryUSA
Whyte6-2-0
Number in Class1
Road Numbers
GaugeStd
Number Built
BuilderNorris - Schenectady
Year1849
Valve GearGooch
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheebase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)40,000 / 18,144
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)84 / 2134
Boiler Pressure (psi / kPa)100 / 6.90
High Pressure Cylinders (dia x stroke) (in / mm)16" x 22" / 406x559
Tractive Effort (lbs / kg)5699 / 2585.03
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Firebox Area (sq ft / m2)121 / 11.25
Grate Area (sq ft / m2)13.50 / 1.25
Evaporative Heating Surface (sq ft / m2)852 / 79.18
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)852 / 79.18
Evaporative Heating Surface/Cylinder Volume166.42
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1350
Same as above plus superheater percentage1350
Same as above but substitute firebox area for grate area12,100
Power L13984
Power MT

Reference