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Mamod SE2


This was one of Mamod's earlier post-war range of engines with the flat base, cast brass engine frame and brass flywheel.

The SE2 was interesting in that it had the throttle situated in the engine exhaust. I know of no particular advantage of this design feature and, indeed, the idea hasn't lasted into the newest generation. The boiler is 1 3/4" dia x 4 3/4" long. It has an old style 3/8" safety valve.

The feed pipe goes directly to the cylinder, without any superheating. It has no lubricator or reverser. The throttle is built into the cylinder mounting block on the exhaust side. The single acting oscillating cylinder is 5/16" dia x 5/8" stroke. The exhaust is fed, as usual, to the base of the chimney.

The meths burner is a round three wick type.

The top photo shows the engine after cleaning up. The other photos show the engine in it's "as acquired" condition. The engine had obviously been well used in a hard water area. The paintwork was in surprisingly good condition for it's age, but the steel parts had begun to rust in places. There was very little rust on the base, mainly around the bottom of the firebox. The top half of the firebox, however, had lost all it's paint and was, therefore, quite rusty. In both cases, however, the rust was treatable with rust remover and I didn't need to repaint. The four rubber feet are, unfortunately, somewhat perished.

Make Model Made Description Cylinders Cylinder Type
Mamod SE2 c1948 Stationary 1 Single acting
Bore mm Stroke mm Valve Type Boiler Type Fuel Mechanical Condition
8 16 Oscillating Cylinder Horizontal Meths Good
Cosmetic Condition Paintwork Packaging Purchased Purchase cost Additional cost
Fair Original?
4/8/2007 72.55