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Imperial Russian Railways series Э (Ye)

Э[h]г[/h], of which 700 were built in Germany

The letter Э (Je) designated a family of tender locomotives with a 0-10-0 wheel arrangement on the Russian and Soviet railways. With a number of more than 10,000 and a production period of 45 years, it is the most-bui...

	Imperial Russian Railways series Э (Ye)Remove
Variant	Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h]
Built	1934-1936, 1943-1957
Manufacturers	Luhansk;Sormovo;Kharkiw;Kolomna;Bryansk;Newski;Reșița;Malaxa;MÁVAG;Škoda;ČKD;ZISPO;Cegielski;Esslingen;AEG;BMAG;Borsig;Hanomag;Henschel;Hohenzollern;Humboldt;Jung;MGK;Krauss;Krupp;Linke-Hofmann;Orenstein & Koppel;Vulcan;Wolf;Maffei;NoHAB
Wheel arrangement	E
Gauge	1520 mm
Length	21943 mm
Service mass	85800 kg
Top speed	65 km/h
Power
Engine

General

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Built	1934-1936, 1943-1957
Manufacturers	Luhansk, Sormovo, Kharkiw, Kolomna, Bryansk, Newski, Reșița, Malaxa, MÁVAG, Škoda, ČKD, ZISPO, Cegielski, Esslingen, AEG, BMAG, Borsig, Hanomag, Henschel, Hohenzollern, Humboldt, Jung, MGK, Krauss, Krupp, Linke-Hofmann, Orenstein & Koppel, Vulcan, Wolf, Maffei, NoHAB
Wheel arrangement	0-10-0 (Ten-coupled)
Gauge	1,520 mm

Dimensions and weights

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Length	21.94 m
Length loco	12.03 m
Empty mass	74.9 t
Service mass	85.8 t
Adhesion mass	85.8 t
Axle load	17.3 t
Water capacity	27,000 l

Boiler

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Grate area	5.09 m²
Firebox surface	18.1 m²
Tube heating surface	183.07 m²
Evaporative heating surface	201.17 m²
Superheater surface	71.97 m²
Total heating surface	273.1 m²

Power plant

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Driver diameter	1,320 mm
Boiler pressure	14 bar
Expansion type	simple expansion
Cylinders	two, 650 x 700 mm

Power

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Power source	steam
Indicated power	1,228 kW (1,670 PS)
Top speed	65 km/h
Starting effort	266.6 kN

Calculated values

Property	Imperial Russian Railways series Э (Ye) Э[h]Р[/h] Э Э[h]М[/h] Э[h]Р[/h] Remove
Factor of adhesion	1 : 3.16
Optimal speed	29 km/h
Power-to-weight ratio	14.3 kW/t
Heating Surface Equivalent	435.6 m²
Cylinder volume/HSE	1 : 1,066.47
Adhesive weight/Total	1 : 1.00
Tractive force/Heating surface	1 : 20.39
Grate area/Heating surface	1 : 53.66
Firebox/Tube surface	1 : 10.11
Total/Superheater	1 : 2.80

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