Description: This model, on a metal base, is made of cast aluminium, steel and plastic parts.
Hand powered through a heavy flywheel.
Visible operation of crankshaft, connecting rod, piston, valves, etc.
During the combustion stroke, in which the valves are closed and the piston goes up, above the piston a light is turned on, which mimics the explosion. This light is powered by batteries in the wooden base.