Chester & Holyhead 4-2-0 Locomotives in Great_Britain


Class Details by Steve Llanso of Sweat House Media

Class Britannia (Locobase 10702)

Data from "Locos. of the Chester & Holyhead Ry", The Locomotive Magazine, Vol XV (15 April 1909), p. 67. See also [link], last accessed 26 July 2015. Works numbers were 263-268 in 1847.

The LM report notes that this sextet demonstrates that the C & H indeed had its own locomotives. They were sold to the London & North Western as their 176-181 in 1859.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassBritannia
Locobase ID10702
RailroadChester & Holyhead
CountryGreat Britain
Whyte4-2-0
Number in Class6
Road Numbers
GaugeStd
Number Built6
BuilderVulcan Foundry
Year1847
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)12 / 3.66
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)11 / 3.35
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1200 / 4.55
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)72 / 1829
Boiler Pressure (psi / kPa)100 / 690
High Pressure Cylinders (dia x stroke) (in / mm)15" x 22" / 381x559
Tractive Effort (lbs / kg)5844 / 2650.80
Booster (lbs)2
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)
Grate Area (sq ft / m2)10.25 / 0.95
Evaporative Heating Surface (sq ft / m2)981
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)981
Evaporative Heating Surface/Cylinder Volume218.02
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1025
Same as above plus superheater percentage1025
Same as above but substitute firebox area for grate area
Power L1
Power MT

All material Copyright © SteamLocomotive.com
Wes Barris