Opus Proximum M86

Designer: Stan Bray

A small vertical four column steam engine to be built at minimal cost from stock materials. Presented on three Sheets, the drawings show all necessary details which are dual dimensioned in imperial and metric units for the convenience of builders with access to metric tools and equipment. ME. Vol.172.

Sheet 1 General arrangement elevations and details of top, motion and baseplates and supporting pillars.

Sheet 2 Cylinder components: cylinder, cylinder base, top cover and gland, piston assembly, steam chest and cover.

Sheet 3 Main bearings, connecting and valve rods, crosshead and gudgeon pin, slide valve, crankshaft and crankpin, eccentric sheaf and strap.