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Central RR of New Jersey classes L-6 to L-8

No. 780 in November 1948 at Jersey City, New Jersey

After the classes L-3 to L-5, the ten L-6a built in 1910 were the next Camelback ten-wheelers for commuter service in the roster of the Central Railroad of New Jersey. They still had 69-inch drivers, but were somewhat...

	Central RR of New Jersey classes L-6 to L-8 Remove
Variant	L-7as L-6a L-7s L-7as L-8s
Built	1913-1914
Manufacturers	Baldwin
Wheel arrangement	2C
Gauge	1435 mm
Length
Service mass	102331 kg
Top speed
Power
Engine

General

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Built	1913-1914
Manufacturers	Baldwin
Wheel arrangement	4-6-0 (Ten-wheeler)
Gauge	1,435 mm

Dimensions and weights

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Wheelbase	7.67 m
Total wheelbase	17.20 m
Service mass	102.3 t
Adhesion mass	77.5 t
Total mass	171.2 t
Rigid wheelbase	4.12 m
Axle load	25.9 t
Water capacity	28,391 l
Fuel capacity	11.8 t (coal)

Boiler

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Grate area	8.491 m²
Firebox surface	19.974 m²
Tube heating surface	194.26 m²
Evaporative heating surface	214.235 m²
Superheater surface	44.315 m²
Total heating surface	258.6 m²

Power plant

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Driver diameter	1,753 mm
Boiler pressure	13.8 bar
Expansion type	simple expansion
Cylinders	two, 584 x 711 mm

Power

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Power source	steam
Estimated power	1,193 kW (1,622 PS)
Starting effort	162.3 kN

Calculated values

Property	Central RR of New Jersey classes L-6 to L-8 L-7as L-6a L-7s L-7as L-8s Remove
Factor of adhesion	1 : 4.68
Optimal speed	45 km/h
Power-to-weight ratio	11.7 kW/t
Heating Surface Equivalent	402.7 m²
Cylinder volume/HSE	1 : 946.71
Adhesive weight/Total	1 : 1.32
Tractive force/Heating surface	1 : 13.11
Grate area/Heating surface	1 : 30.45
Firebox/Tube surface	1 : 9.73
Total/Superheater	1 : 4.83

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