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ELNA 6

No. 4 of the Dampfbahn Fränkische Schweiz at Ebermannstadt

In the twenties, the ELNA (Engerer Lokomotiv-Normen-Ausschuß - Special locomotive standards committee) designed a range of standard locomotives to be built for private and light railways. The ELNA 6 was the heaviest o...

General

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Built	1922-1946
Manufacturers	Krauss
Wheel arrangement	0-8-0T (Eight-coupled)
Gauge	1,435 mm (Standard gauge)

Dimensions and weights

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Length	10.50 m
Wheelbase	4.05 m
Rigid wheelbase	4.05 m
Empty weight	45.9 t
Service weight	58.8 t
Adhesive weight	58.8 t
Axle load	14.6 t
Water capacity	6,500 l
Fuel capacity	2 t (coal)

Boiler

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Grate area	2 m²
Firebox surface	8.95 m²
Tube heating surface	94.2 m²
Evaporative heating surface	103.15 m²
Superheater surface	30.8 m²
Total heating surface	134.0 m²

Power plant

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Driver diameter	1,100 mm
Boiler pressure	12 bar
Expansion type	simple expansion
Cylinders	two, 500 x 550 mm

Power

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Power source	steam
Estimated power	625 kW (850 PS)
Top speed	40 km/h
Starting effort	127.5 kN

Calculated values

Property	ELNA 6 Krauss ELNA 6 N ELNA 6 H Krauss augmented Remove
Factor of adhesion	1 : 4.52
Optimal speed	31 km/h
Power-to-weight ratio	10.6 kW/t
Heating Surface Equivalent	209.5 m²
Cylinder volume/HSE	1 : 1,030.95
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 19.88
Grate area/Heating surface	1 : 66.98
Firebox/Tube surface	1 : 10.53
Total/Superheater	1 : 3.35

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