New York, Lake Erie & Western / Erie & Wyoming Valley 2-6-0 "Mogul" Type Locomotives

Class D / F-1 (Locobase 364)

Unstated number built by several manufacturers and railroad shops between 1881 and 1902.

Data from Westing's Erie Power (1970) and tables in December 1894 American Engineer and Railroad Journal (AERJ).

Class E / F-2 (Locobase 371)

Unstated number built at the Susquehanna Shops between 1882 and 1885. Seem to have been higher-drivered versions of the F-1 with a larger boiler.

Data from Westing's Erie Power (1970) and tables in December 1894 American Engineer and Railroad Journal (AERJ). Data from Erie 1907 locomotive diagram book (supplied in May 2005 by Allen Stanley from his extensive collection) says the firebox heating surface was 144 sq ft.

Class F-10 (Locobase 4098)

Cited by Paul T. Warner (RLHS Bulletin #58) as the first of the second wave of 3-cylinder locomotives, this small class of camelback moguls had the wide firebox for burning anthracite coal. The cylinders measured 17" in diameter by 24" stroke.

(The E & WV, which began service as a narrow-gauge railway, joined the Erie as the Wyoming Division in 1901.) Westing, Erie Power (1970), says that the three were rebuilt with two 21" x 24" cylinders. A photo shows a very stubby engine with widespread drivers.

The data in the specifications, taken from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection, represents the rebuilds.

Class F-4 (Locobase 373)

Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection. Conventionally laid out Mogul with small drivers and a relatively low boiler pressure.

Class F-5 (Locobase 374)

Variants of the F-1 (Locobase 364) built at the Susquehanna Shops between 1881 and 1899. Power dimensions are identical except for the boiler pressure. Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Class F-6 (Locobase 375)

3 engines built in the Susquehanna Shops in 1881-1882. Variants of the F-5 with higher drivers. Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Class F-7 (Locobase 376)

3 engines (582, 584, 585) that were lower-driver variants of the F-2s. Built at the Susquehanna Shops.Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Class F-8 (Locobase 6698)

Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Camelbacks from the E & WV. Note the small boiler and large firebox.

Class F-9 (Locobase 6699)

Data from Erie 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Camelback Moguls from the E & WV. Note the small boiler and large firebox. Identical to the F-8s in virtually every respect.

Class N / F-3 (Locobase 372)

Data from Erie's 1907 locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

F-3s had the largest boilers in an Erie Mogul type, a fitting achievement for these sizable Camelbacks. Unlike most of the other engines, however, these had small and short 1 1/2" tubes and needed 431of them to supply enough heating surface for the sizable grate.

Specifications
ClassD / F-1E / F-2F-10F-4F-5F-6F-7F-8F-9N / F-3
Locobase ID364371409837337437537666986699372
RailroadNew York, Lake Erie & Western (ERR)New York, Lake Erie & Western (ERR)Erie & Wyoming Valley (ERR)New York, Lake Erie & Western (ERR)New York, Lake Erie & Western (ERR)New York, Lake Erie & Western (ERR)New York, Lake Erie & Western (ERR)Erie & Wyoming Valley (ERR)Erie & Wyoming Valley (ERR)New York, Lake Erie & Western (ERR)
Whyte2-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-0
Road Numbers741-743700-707204-205206, 208-214745-746
GaugeStdStdStdStdStdStdStdStdStdStd
BuilderseveralErieBurnham, Williams & CoBrooksErieErieErieBurnham, Williams & CoBurnham, Williams & CoBurnham, Parry, Williams & Co
Year1881188218941888188118811882188518861886
Valve GearStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase15'15'14.17'15.50'15'15'15'14.17'14.17'15'
Engine Wheelbase22.60'22.71'21.58'25.90'22.72'22.71'22.54'21.67'21.67'22.71'
Ratio of driving wheelbase to overall engine wheebase 0.66 0.66 0.66 0.60 0.66 0.66 0.67 0.65 0.65 0.66
Overall Wheelbase (engine & tender)47.02'47.04'46.79'46.48'47.04'47.04'47.04'46.21'46.21'48.37'
Axle Loading (Maximum Weight per Axle)26500 lbs32000 lbs42500 lbs32300 lbs31400 lbs32700 lbs32100 lbs31250 lbs31250 lbs43000 lbs
Weight on Drivers75300 lbs87900 lbs116400 lbs90000 lbs87200 lbs91300 lbs92800 lbs90000 lbs85300 lbs125330 lbs
Engine Weight88400 lbs103300 lbs133750 lbs103000 lbs103800 lbs105800 lbs109000 lbs103000 lbs98300 lbs142840 lbs
Tender Light Weight77000 lbs77000 lbs108350 lbs63000 lbs77000 lbs77000 lbs77000 lbs57100 lbs57100 lbs87900 lbs
Total Engine and Tender Weight165400 lbs180300 lbs242100 lbs166000 lbs180800 lbs182800 lbs186000 lbs160100 lbs155400 lbs230740 lbs
Tender Water Capacity3600 gals3500 gals6000 gals3000 gals3600 gals3600 gals3600 gals2400 gals2400 gals4500 gals
Tender Fuel Capacity (oil/coal)8 tons8.9 tons7 tons9 tons90000 gals8 tons8 tons5.5 tons5.5 tons9 tons
Minimum weight per yard of rail on which locomotive could run41.83 lb rail48.83 lb rail64.67 lb rail50 lb rail48.44 lb rail50.72 lb rail51.56 lb rail50 lb rail47.39 lb rail69.63 lb rail
Geometry Relating to Tractive Effort
Driver Diameter56"68"57"56"62"68"62"56"56"62"
Boiler Pressure130 psi140 psi160 psi140 psi120 psi130 psi140 psi140 psi140 psi180 psi
Cylinders (dia x stroke)18" x 24"18" x 24"21" x 24"19" x 24"18" x 24"18" x 24"18" x 24"18" x 24" (3)18" x 24" (3)20" x 26"
Tractive Effort15344 lbs13608 lbs25253 lbs18411 lbs12793 lbs12636 lbs14925 lbs24786 lbs24786 lbs25665 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.91 6.46 4.61 4.89 6.82 7.23 6.22 3.63 3.44 4.88
Heating Ability
Firebox Area120 sq. ft152.50 sq. ft193 sq. ft124 sq. ft127 sq. ft127 sq. ft144 sq. ft183 sq. ft183 sq. ft174 sq. ft
Grate Area27 sq. ft27 sq. ft76 sq. ft17 sq. ft17 sq. ft27 sq. ft27 sq. ft68 sq. ft68 sq. ft77 sq. ft
Evaporative Heating Surface1149144918061394115711571450108710871862
Superheating Surface
Combined Heating Surface1149144918061394115711571450108710871862
Evaporative Heating Surface/Cylinder Volume162.55204.99187.71177.00163.68163.68205.13102.52102.52196.96
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation351037801216023802040351037809520952013860
Same as above plus superheater percentage351037801216023802040351037809520952013860
Same as above but substitute firebox area for grate area15600213503088017360152401651020160256202562031320
Power L13002.194964.104377.783341.413143.603735.144441.152467.202467.205375.07
Power MT263.69373.51248.75245.55238.43270.58316.52181.31191.30283.65

Reference

Credits

Introduction and specifications provided by Steve Llanso of Sweat House Media.

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