Leek & Manifold Valley 2-6-4 Locomotives in Great_Britain

Class Details by Steve Llanso of Sweat House Media

Class E R Calthrop (Locobase 11173)

Data from Armistead Cay, "The Leek And Manifold Light Railway," Page's Magazine, vol 5 (1904), pp. 113-123. See also the 1933 newsreel"A Quaint Little Railway," British Pathe film-archive site at [] and Chasewater Stuff's description of the line at [], last accessed 8 July 2011.

The second of the two was named J B Earle.

The Pathe newsreel's opening card summarizes the L & MV's reputation:"Hidden away in the heart of the Manifold Valley, Derbyshire, runs a queer little railway, whose traffic is just milk." The film shows a standard-gauge wagon being pushed onto a platform whose width is less than the wagon's gauge. A brakeman then operates a foot pedal to raise the platform, and thus the wagon, clear of the track. When the 2-6-4T pulls away, the viewer can see that the platform rolls on the much narrower gauge of the L & MV.

The L & MV operated for about 30 years from 1904 to 1934.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassE R Calthrop
Locobase ID11173
RailroadLeek & Manifold Valley
CountryGreat Britain
Number in Class2
Road Numbers1-2
Number Built2
BuilderKitson & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)6 / 0.99
Engine Wheelbase (ft / m) / 5.56
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)18.25 / 5.56
Axle Loading (Maximum Weight per Axle) (lbs / kg)11,200
Weight on Drivers (lbs / kg) / 28,957
Engine Weight (lbs / kg)59,360 / 28,957
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)59,360 / 28,957
Tender Water Capacity (gals / ML)600 / 2.27
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 1.10
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)30 / 610
Boiler Pressure (psi / kPa)150 / 12.80
High Pressure Cylinders (dia x stroke) (in / mm)11.5" x 16" / 229x305
Tractive Effort (lbs / kg)8993 / 4079.16
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2) / 3.35
Grate Area (sq ft / m2) / 1.07
Evaporative Heating Surface (sq ft / m2) / 40.15
Superheating Surface (sq ft / m2) / 6.51
Combined Heating Surface (sq ft / m2) / 46.66
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

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