The Twin Victoria is essentially two Stuart Victorias running side by side. This makes for a very impressive model which will be the center piece of any collection. Please remember our sets of castings require the use of a lathe & milling machine to turn them into a working steam engine. Engine Description: Stuart Twin Victoria Set of Unmachined Castings, Materials, Fixings & Drawings. Specifications: Length: 15 1/2 Inches. Flywheel: 7 Inches Diameter. Cylinder Bore: 1 Inch Diameter. Cylinder Stroke: 2 Inches. Contents: Cast Iron: Baseplates, cranks, cylinders, valve chests & covers, front & rear cylinder covers, pistons, flywheel. Brass: Brass Slide valves, eccentric straps, valve operating blocks, glands, conrod bushes, crossheads, crankshaft bearings. Steel: Crankshaft, connecting rods, eccentric sheaves, eccentric rods, clevises, crankpins, piston & valve rods, all materials for valve gear & crosshead guides. Sundries: Detailed drawings, gaskets, viton "O" rings, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: Twin Victoria Unmachined Set of Castings (34-50-71425)