Construction year: 1881
Numbering locomotives: 77.001 - 77.004
Type of locomotief: ( Eight Coupler ) 0-8-0
Mechanism
Diameter of cylinders (d) : 500 mm
Piston stroke (l) : 650 mm
Diameter of driving wheels (D) : 1,300 m
Kettle
Kettle pressure (P) : 10 kg/cm²
Grid
Length: 2,182 m
Width: 0,954 m
Surface area (G) : 2,08 m²
Heating surface of the firebox: 10,02 m²
Heating surface of the firebox
Diameters : 45/50 mm
Amount: 197
Surface area 115,46 m²
Total heating area (S) : 125,48 m²
Boiler hull
Average diameter: 1,500 m
Plate thickness: 16 mm
Thickness fireboxplates: 16 and 17 mm
Material fireboxplates: Copper
Thickness fireboxplates
Sky plate: 15 mm
Rear and side plates: 15 mm
Pipe plate: 15 or 30 mm
Thickness of pipe plate - Smoke box: 20 mm
Content of the ride-on kettle: 5,100 m³
Steam chest volume: 2,750 m³
Surface area of steam release: 8,56 m²
Ratio S/G : 60,32
Weight empty locomotive: 40,15 ton
Adhesion weight (A): 45,05 ton
Ratio T/A: 1/4,54
Towing capacity: T= 0,65pd²l 8 120 kg
D
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