This 9-sheet plan by Martin Evans is for a 3.5" gauge 45XX-Class GWR 2-6-2 tank engine. It builds a close-to-scale model of this small Prairie tank engine with outside cylinders and inside Stephenson Churchward valve gear.

This 9-sheet plan consists of:

Sheet 1 General arrangement of engine, main frames and front and rear buffer beams
Sheet 2 Main horns, main axleboxes, hornstays, leading and trailing pony truck stretchers and pivot stretchers, driving and coupled wheels, axles, crankpins, valve eccentrics, pony truck wheels and axles, coupling rods, connecting rods, brake details
Sheet 3 General arrangement, leading and trailing pony truck crossheads, crosshead pump arm, cylinders, cylinder covers, pistons valves, slide bars
Sheet 4 Motion plate, eccentric rods and straps, valve gear details
Sheet 5 Valve gear assembly, reversing gear, assembly of cylinder drain cocks, lubrication for coupled axles
Sheet 6 Crosshead feed pump, exhaust assembly, steam pipe and oil check valve, crosshead feed pump assembly, boiler assembly and details
Sheet 7 Smokebox, cab view, smokebox door, regulator and main steam pipe, grate and ashpan, saddle, oil delivery pipe layout, blower valve
Sheet 8 Smokebox arrangement, pipe diagram, hand brake gear, boiler fittings, chimney, safety valve casing, rear cab plate, roof and bunker back
Sheet 9 General arrangement of tanks and cab, footplates, bunker water tank, footsteps, buffers and couplings

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