Lancashire & Yorkshire 0-2-2 Locomotives in Great_Britain


Class Details by Steve Llanso of Sweat House Media

Class Steam motor (Locobase 10524)

Data from T Hurry Riches and Mr Sidney B Haslam "Railway-Motor-Car Traffic", Proceedings - Institution of Mechanical Engineers, Parts 3-4 (October 1906), pp 687-688.

This pair represented the first toe-dipping into steam rail motor service. The design copied that developed by Riches and Haslam on the Taff Vale Railway. See above account and Locobase


Class Steam motor (Locobase 11796)

Data from T Hurry Riches and Mr Sidney B Haslam "Railway-Motor-Car Traffic", Proceedings - Institution of Mechanical Engineers, Parts 3-4 (October 1906), pp 686-687 (George Hughes's comments on the L & Y's satisfaction with the design.). See the 1972 article by the late John Ashcroft on the Altcar Bob service at [link] . A 48-passenger coach was the revenue portion of this vehicle. Its front bogie sat under the tiny boiler which looked like a squeezed-together version of a standard locomotive. The cab, a tiny dome, and capped stack were all crammed into perhaps 8 ft of length.

18 were built between 1906 and 1911 and some enjoyed long careers as the motive power for "Altcar Bob". Altcar was one of the termini at the end of the Southport & Cheshire Lines Extension Railway. After the L&Y took over the line, it opened a rail-motor service in 1906 using these vehicles.

Ashcroft described the rail-motor as perfect for the service: "The result was a nimble, compact vehicle which never needed turning and could nip along smartly between frequent halts to pick up passengers for whom the conventional trains would have wasted time and effort, coal and money."

"Certainly," Ashcroft continued, "villagers welcomed this frequent service." Various reasons for the name include the idea that Bob was the name of one of the early engineers. Perhaps the fare between Southport and Altcar was a shilling (1 bob). "But, however it was christened, the Altcar Bob remains the loveliest of legends; its mere mention brings an immediate smile, a twinkle, a fond or funny anecdote."

Service to Altcar ended in 1926 and passenger travel on the branch ended in 1938.

NB: Tube length is an estimate based on the calculation of tube surface area by subtracting reported firebox heating surface from reported total evaporative heating surface

Principal Dimensions by Steve Llanso of Middle Run Media
ClassSteam motorSteam motor
Locobase ID10524 11796
RailroadLancashire & YorkshireLancashire & Yorkshire
CountryGreat BritainGreat Britain
Whyte0-2-2+4T0-2-2+4T
Number in Class218
Road Numbers
GaugeStdStd
Number Built218
Builder
Year19041904
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.50 / 2.908 / 2.44
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)22.08 / 6.7354.67 / 16.66
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)73,248 / 33,225
Engine Weight (lbs / kg)84,280 / 38,22973,248 / 33,225
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)660 / 2.50660 / 2.50
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 0.60 / 1 0.60 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)34 / 86434 / 864
Boiler Pressure (psi / kPa)160 / 1100180 / 1240
High Pressure Cylinders (dia x stroke) (in / mm)9" x 14" / 229x35612" x 16" / 305x406
Tractive Effort (lbs / kg)4536 / 2057.5010,368 / 4702.85
Factor of Adhesion (Weight on Drivers/Tractive Effort) 7.06
Heating Ability
Tubes (number - dia) (in / mm)304 - 1.75" / 0199 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)5 / 1.52
Firebox Area (sq ft / m2)54 / 5.02
Grate Area (sq ft / m2)8 / 0.74 9.40 / 0.87
Evaporative Heating Surface (sq ft / m2)339 / 31.51509 / 47.30
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)339 / 31.51509 / 47.30
Evaporative Heating Surface/Cylinder Volume328.86243.03
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation12801692
Same as above plus superheater percentage12801692
Same as above but substitute firebox area for grate area9720
Power L13794
Power MT

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