4 More Engine Models

This is a kit for building 4 engines: Axial-4, Rotary-6, W16, and the Napier Deltic 18-cylinder opposed-piston engine. These educational models help you visualize how a piston engine works. Each model has a knob you can rotate by hand to see the crankshaft and pistons move. No motor or battery box is included in the kit. This is a follow-up to the first 5 Engine Models -kit. It includes parts for making long connecting rods and several transparent cylinder blocks. Everything to help you build advanced brick engines. The models are based on real engines: -Axial-4 engine was used in rare automobiles -Rotary-6 engine was used in WWI airplanes -W16 engine is used in the Bugatti Veyron/Chiron sports cars -Napier Deltic engine was used in marine vessels and locomotives See the models built and tested in the video below. More details:https://brickexperimentchannel.wordpress.com/2026/10/07/lego-engine-models-2/