NZR F class locomotive wheel (cast crankpin, small counterweight)
Raw brass casting for this iconic and long lived tank locomotive. Early small counterweight version.
Drawing is based on works drawing.
Prototype diameter (including tire):
Crankpin throw: 3.6mm, scale 9″ (pin between spokes)
Wheel width: 2mm (scale 5″) for finescale. Can be supplied wider for RP25 tires.
Axle hole (under size, needs finishing)
No crankpin hole
Cast crankpin hole (requires finishing)
Cast in crankpin (requires machining)