Maryland & Delaware Coast 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 11734)

Data from American Locomotive Company builder's card illustrating order C-659 of March 1923. See also Dan Myers, "An 11 Update", Middletown & New Jersey Railway Historical Society, http://www.mnjrhs.org/eleven_update.html, last accessed 27 October 2010. Myers' article notes that M & DC #1 was built in December 1920. See also James Diehl, "Making Tracks to the Beach," Delaware Beach Life (May 2010), pp. 21-24. Works number was 62636 in June 1926.

Myers reports that Cooke received a large order for locomotives from a Cuban source, but that the whole deal fell through after only three were completed. This trio languished in the yard until Alco could sell them, one by one, to stateside operators. There were slight differences among the three and each, of course, had a different history.

The M&DC was a subsdiary of the Pennsylvania that operated from Love Point on Kent Island on Maryland's Eastern Shore to Lewes, Del on Delaware Bay. It had taken over the Denton (Del) to Lewes section in the mid-1920s from the Queen Anne's Railroad

See Locobases 11732 for Narragansett Pier #11 and 11733 for Osceola Cypress Lumber Company #5.

Specifications by Steve Llanso of Sweat House Media
Class1
Locobase ID11,734
RailroadMaryland & Delaware Coast
CountryUSA
Whyte2-6-0
Number in Class1
Road Numbers1
GaugeStd
Number Built1
BuilderAlco-Cooke
Year1920
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)10 / 3.05
Engine Wheelbase (ft / m)19.83 / 6.04
Ratio of driving wheelbase to overall engine wheebase 0.50
Overall Wheelbase (engine & tender) (ft / m)46.71 / 14.24
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)91,500 / 41,504
Engine Weight (lbs / kg)111,000 / 50,349
Tender Loaded Weight (lbs / kg)85,800 / 38,918
Total Engine and Tender Weight (lbs / kg)196,800 / 89,267
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)7 / 6.40
Minimum weight of rail (calculated) (lb/yd / kg/m)51 / 25.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)50 / 1270
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)23,795 / 10793.24
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.85
Heating Ability
Firebox Area (sq ft / m2)113 / 10.50
Grate Area (sq ft / m2)24.40 / 2.27
Evaporative Heating Surface (sq ft / m2)1222 / 113.57
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1222 / 113.57
Evaporative Heating Surface/Cylinder Volume172.88
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4392
Same as above plus superheater percentage4392
Same as above but substitute firebox area for grate area20,340
Power L13792
Power MT274.10