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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-7s L-6a L-7s L-7as L-8s
Built	1912
Manufacturers	Baldwin
Wheel arrangement	2C
Gauge	1435 mm
Length
Service mass	102104 kg
Top speed
Power
Engine

General

Property	Central RR of New Jersey classes L-6 to L-8 L-7s L-6a L-7s L-7as L-8s Remove
Built	1912
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-7s L-6a L-7s L-7as L-8s Remove
Wheelbase	7.58 m
Total wheelbase	17.09 m
Service mass	102.1 t
Adhesion mass	76.7 t
Total mass	168.8 t
Rigid wheelbase	4.12 m
Axle load	25.6 t
Water capacity	28,391 l
Fuel capacity	10.9 t (coal)

Boiler

Property	Central RR of New Jersey classes L-6 to L-8 L-7s L-6a L-7s L-7as L-8s Remove
Grate area	7.581 m²
Firebox surface	19.417 m²
Tube heating surface	192.031 m²
Evaporative heating surface	211.448 m²
Superheater surface	44.036 m²
Total heating surface	255.5 m²

Power plant

Property	Central RR of New Jersey classes L-6 to L-8 L-7s L-6a L-7s L-7as L-8s Remove
Driver diameter	1,753 mm
Boiler pressure	14.5 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-7s L-6a L-7s L-7as L-8s Remove
Power source	steam
Estimated power	1,156 kW (1,572 PS)
Starting effort	170.4 kN

Calculated values

Property	Central RR of New Jersey classes L-6 to L-8 L-7s L-6a L-7s L-7as L-8s Remove
Factor of adhesion	1 : 4.41
Optimal speed	42 km/h
Power-to-weight ratio	11.3 kW/t
Heating Surface Equivalent	396.6 m²
Cylinder volume/HSE	1 : 961.34
Adhesive weight/Total	1 : 1.33
Tractive force/Heating surface	1 : 13.93
Grate area/Heating surface	1 : 33.70
Firebox/Tube surface	1 : 9.89
Total/Superheater	1 : 4.80

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