Construction year: 1906
Numbering locomotives: 66.001 - 66.039
Type of locomotief: ( American ) 4-4-0
Mechanism
Diameter of cylinders (d) : 550 mm
Piston stroke (l) : 630 mm
Diameter of driving wheels (D) : 2,100 m
Kettle
Kettle pressure (P) : 12 kg/cm²
Grid
Length: 2,290 m
Width: 1,000 m
Surface area (G) : 2,29 m²
Heating surface of the firebox: 12,05 m²
Heating surface of the firebox
Small fire tubes
Diameters : 41/46 mm
Amount: 152
Surface area 39,83/i> m²
Big fire tubes
Diameters : 125/133 mm
Amount: 21
Surface area 36,83 m²
Total heating area (S) : 136,89 m²
Diameter superheater pipes: 29/36 mm
Overheating surface (S1) : 40,32 m²
Boiler hull
Average diameter: 1,500 m
Plate thickness: 15 mm
Thickness fireboxplates: 16 and 20 mm
Material fireboxplates: Copper
Thickness fireboxplates
Sky plate: 16 mm
Rear and side plates: 16 mm
Pipe plate: 16 or 26 mm
Thickness of pipe plate - Smoke box: 26 mm
Content of the ride-on kettle: 5,680 m³
Steam chest volume: 2,560 m³
Surface area of steam release: 7,60 m²
Ratio S/G : 59,8
Ratio S1/S: 0,295
Weight empty locomotive: 55,69 ton
Adhesion weight (A): 34,5 ton
Ratio T/A: 1/4,86
Towing capacity: T= 0,65pd²l 7 090 kg
D
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