The Stuart S50 is an elegant model ' Mill Engine' of the type used to power small factories in the north of England during the mid-nineteenth century. As with all Stuart Models finished engines it is supplied ready to run complete with a hand numbered certificate of authentication. Engine Description: Ready to Run Stuart S50 Specifications: Length: 8 1/2 inches. Flywheel Dia.: 3 inches. Cylinder Bore: 5/8 inch. Cylinder Stroke: 1 1/4 inch. Contents: Cast Iron: Soleplate, cylinder, valve chest & cover, front & rear cylinder covers, flywheel. Brass: Slide valve, piston, eccentric strap, valve operating block, glands, crosshead, Oil cups. Steel: Crankshaft, crankwebb, connecting rod, eccentric sheave, eccentric rod, distance pieces, slide bars, crankpin, piston & valve rods. Sundries: Detailed drawings, gaskets, fibre washer, cylinder lagging, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: S50 Ready to Run Models (34-50-71317)