Technical data of the "3003" model locomotive
Type:4-4-0 "American"
Scale:1:8 (1.5" to 1 ft)
Gauge:7 1/4" (184 mm)
Prototype:Baldwin 3003, Philadelphia 1872
Cylinders:
 
Bore: 48 mm (1 7/8")
Stroke: 73 mm (2 7/8")
Valve Gear:Stephenson, slide valves
Fuel:Propane gas
Firebox:None (see boiler info below)
Boiler:
 
Copper & Copper-Nickel, i.d. 139 mm (5.5")
3 gas burner flues, i.d. 39 mm (1.5")
Throttle:Front end type
Weight in working order:approx. 95 kg / 200 lbs

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