A 10-sheet plan by Martin Evans for building a 3.5" gauge model of the last steam locomotive constructed for British Railways. 92220 Evening Star is on display at the National Railway Museum in York.

This 10-sheet plan consists of:

Sheet 1 General arrangement, main frames, driving and coupled wheels, frame stretchers, horns, main axleboxes.
Sheet 2 Details of pony truck, coupling rods, boiler feed pump and eccentric.
Sheet 3 Full details of the boiler.
Sheet 4 Piston valve cylinders and details, alternative slide valve cylinders, crossheads, slide bars, connecting rods, guide-bar brackets.
Sheet 5 Buffer beam, drag beam, side elevation and plan of valve gear, left and right-hand expansion link brackets, radius rods, eccentric rods, valve crossheads, union links, combination levers, expansion links, lifting and reversing arms.
Sheet 6 Valve gear for side valve engine, double blastpipes, smokebox, steam brake and details, mechanical lubricator, alternative single blastpipe.
Sheet 7 Details including end elevation of locomotive, details of cab and running boards, running board brackets, smokebox details, poppet valve regulator body, grate and ashpan, saddle, superheater, snifting valve.
Sheet 8 Tender, fire door, blower valve and boiler clack valve details.
Sheet 9 Tender frames, injector and brake details.
Sheet 10 Reversing wheel and reach rod, cab layout, manifold, regulator handle and rodding, water gauge, safety valve, brake valve, whistle valve and injector steam valve.

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