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Wilesco D52

mid 1970s - present

The D52 is intended to be built into a boat hull. It consists of separate boiler and engine unit, with a propeller and stern tube.

The boiler is 45mm diameter x 110mm. It has a standard Wilesco style adjustable tablet burner. There is a circular water gauge window in one end. On the top of the boiler there is a safety valve and a filler plug. There is a short open ended steam feed pipe intended to be connected to a similar pipe on the engine unit using a plastic pipe section.

The engine is on a separate L shaped chassis. The cylinder is double acting with a cylindrically shaped slide valve (described by Wilesco as a "piston" valve). It is 13mm bore x 16mm stroke and ha slip eccentric reversing. There is a simple lubricator fitted to the valve chest.

I have mounted the boiler and engine onto a wooden base for convenience in steaming and display, with the propeller shaft driven via a pulley.

Make Model Made Description Cylinders Cylinder Type
Wilesco D52 ? Marine Engine 1 Double acting reversible
Piston Diam mm Stroke mm Valve Type Boiler Type Fuel Mechanical Condition
13 16 Slip Eccentric "Piston" Horizontal Tablets Good
Cosmetic Condition Paintwork Packaging Purchased Purchase cost Additional cost
Good Original Box Mar 2012 107.76