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Palatinate Railways P 1

P 1[h]I[/h] in Ludwigshafen

P 1 was the designation for three slightly different types of passenger locomotives on the Palatinate Railway. They were built between 1875 and 1884 and the last of them survived until the mid-1920s. They all had the ...

General

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Built	1880-1884
Manufacturers	Maffei
Wheel arrangement	2-4-0 (Porter)
Gauge	1,435 mm (Standard gauge)

Dimensions and weights

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Length	14.68 m
Service weight	34.2 t
Adhesive weight	24 t
Axle load	12 t
Water capacity	9,800 l

Boiler

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Grate area	1.51 m²
Evaporative heating surface	87.5 m²
Total heating surface	87.5 m²

Power plant

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Driver diameter	1,855 mm
Boiler pressure	10 bar
Expansion type	simple expansion
Cylinders	two, 420 x 460 mm

Power

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Power source	steam
Indicated power	316 kW (430 PS)
Top speed	85 km/h
Starting effort	37.2 kN

Calculated values

Property	Palatinate Railways P 1 P 1[h]III[/h] P 1[h]I[/h] P 1[h]II[/h] P 1[h]III[/h] Remove
Factor of adhesion	1 : 6.33
Optimal speed	51 km/h
Power-to-weight ratio	9.2 kW/t
Adhesive weight/Total	1 : 1.43
Tractive force/Heating surface	1 : 8.88
Grate area/Heating surface	1 : 57.95

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