A detailed, well finished, sectional model of a single cylinder air cooled four stroke petrol engine.
The internal surfaces of the air inlet, carburretor, inlet manifold and inlet valve to the cylinder are painted in different colours to indicate air, fuel and gas mixture .
The crankshaft is rotated by hand to show operating cycle.
A flash from a torch bulb simulates the firing of spark plug.
Size dimensions: 208 x 210 x 365mm. Cast alloy made.
Mounted on a wooden base with key card.