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North Eastern classes P, P1, P2 and P3

P2 No. 132

The North Eastern Railway classes P through P3 comprised a total of 355 0-6-0 locomotives which were produced between 1894 and 1923. They were created by William Worsdell, who had been employed as chief engineer at th...

	North Eastern classes P, P1, P2 and P3 Remove
Variant	P3 P P1 P2 P3
Built	1906-1909, 1921-1923
Manufacturers	Darlington;North British;Beyer, Peacock & Co.;Robert Stephenson & Co.
Wheel arrangement	C
Gauge	1435 mm
Length	15827 mm
Service mass	50294 kg
Top speed
Power
Engine

General

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Built	1906-1909, 1921-1923
Manufacturers	Darlington, North British, Beyer, Peacock & Co., Robert Stephenson & Co.
Wheel arrangement	0-6-0 (Six-coupled)
Gauge	1,435 mm

Dimensions and weights

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Length	15.83 m
Wheelbase	5.03 m
Service mass	50.3 t
Adhesion mass	50.3 t
Rigid wheelbase	5.03 m
Axle load	18.2 t
Water capacity	13,809 l
Fuel capacity	5.1 t (coal)

Boiler

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Grate area	1.858 m²
Firebox surface	12.635 m²
Tube heating surface	134.988 m²
Evaporative heating surface	147.623 m²
Total heating surface	147.6 m²

Power plant

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Driver diameter	1,410 mm
Boiler pressure	12.4 bar
Expansion type	simple expansion
Cylinders	two, 470 x 660 mm

Power

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Power source	steam
Estimated power	578 kW (786 PS)
Starting effort	109.1 kN

Calculated values

Property	North Eastern classes P, P1, P2 and P3 P3 P P1 P2 P3 Remove
Factor of adhesion	1 : 4.52
Optimal speed	32 km/h
Power-to-weight ratio	11.5 kW/t
Heating Surface Equivalent	210.8 m²
Cylinder volume/HSE	1 : 1,086.60
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 15.44
Grate area/Heating surface	1 : 79.45
Firebox/Tube surface	1 : 10.68

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