Five-Cylinder Engine Model Kit that Works - Radial Engine

19.5 × 10 × 23 cm / 7.68 × 3.94 × 9.06 inch
PLA and metal

1:5 scale, five-cylinder radial engine design
DIY assembly with visible mechanical details
Moving pistons and propeller
Internal lighting that highlights the mechanism

Radial engines placed their cylinders around a central crankshaft, creating one of aviation’s most recognizable mechanical silhouettes. This 1:5 scale kit brings that arrangement to the workbench. Assemble the model, then start it to see the pistons and propeller move in coordination. Once finished, it becomes a display piece that lets you appreciate the mechanism up close.