Manchester & Milford 2-4-0 Locomotives in Great_Britain

Class Details by Steve Llanso of Sweat House Media

Class Carmathen (Locobase 21093)

Data from Graham Davies at See also "Railways in West Wales Part 1B - Pembrokeshire - the Mainline Railways" on Roger Farnworth's blog at [], last accessed 22 September 2022. Works numbers were 1713 and 1756 in 1866.

Locobase 4898 shows the Pembroke & Tenby #3, which duplicated the standard Sharp, Stewart six-wheel passenger engine design. Davies wrote that the P&T was to take two of three in the order with the other going to the M&M. But the P&T only operated one of the the three. Martin Coombs's builders list shows the 1713 as the first in SS order E485 and 1756 (named Lady Elisabeth) as the second.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID21093
RailroadManchester & Milford
CountryGreat Britain
Number in Class2
Road Numbers2-3
Number Built2
BuilderSharp, Stewart
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 6.50 / 1.98
Engine Wheelbase (ft / m)14.25 / 4.34
Ratio of driving wheelbase to overall engine wheelbase 0.46
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)55,552 / 25,198
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1440 / 5.45
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 3.30 / 3
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)66 / 1676
Boiler Pressure (psi / kPa)120 / 8.30
High Pressure Cylinders (dia x stroke) (in / mm)16" x 20" / 406x508
Tractive Effort (lbs / kg)7913 / 3589.28
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm)157 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.25
Firebox Area (sq ft / m2)71.40 / 6.64
Grate Area (sq ft / m2)
Evaporative Heating Surface (sq ft / m2)915 / 85.04
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)915 / 85.04
Evaporative Heating Surface/Cylinder Volume196.60
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 area8568
Power L13608
Power MT

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Wes Barris