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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 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Built	1922-1946
Manufacturers	BMAG, Fablok, Hanomag, Hohenzollern, O&K, Vulcan
Wheel arrangement	0-8-0T (Eight-coupled)
Gauge	1,435 mm (Standard gauge)

Dimensions and weights

Property	ELNA 6 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Length	10.80 m
Wheelbase	4.30 m
Rigid wheelbase	4.30 m
Empty weight	43.2 t
Service weight	55.2 t
Adhesive weight	55.2 t
Axle load	13.8 t
Water capacity	6,000 l
Fuel capacity	1.9 t (coal)

Boiler

Property	ELNA 6 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Grate area	1.84 m²
Evaporative heating surface	88.1 m²
Superheater surface	31 m²
Total heating surface	119.1 m²

Power plant

Property	ELNA 6 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Driver diameter	1,100 mm
Boiler pressure	12 bar
Expansion type	simple expansion
Cylinders	two, 520 x 550 mm

Power

Property	ELNA 6 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Power source	steam
Estimated power	575 kW (782 PS)
Top speed	40 km/h
Starting effort	137.9 kN

Calculated values

Property	ELNA 6 ELNA 6 H ELNA 6 N ELNA 6 H Krauss augmented Remove
Factor of adhesion	1 : 3.93
Optimal speed	26 km/h
Power-to-weight ratio	10.4 kW/t
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 24.18
Grate area/Heating surface	1 : 64.73
Total/Superheater	1 : 2.84

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