The other standout feature was the five-cylinder air-cooled radial engine, with a 1,460cc displacement, sitting in the rear compartment right above the wheels. This allowed the car to be compact ...

In the video after the break, [Brick Technology] uses LEGO to gain some practical insight into the world of piston engine design, from single-cylinder all the way up to radial twelve-cylinder engines.

[Ian Jimmerson] has constructed a detailed model of a radial engine ... reassembling his engine, explaining in detail how it works as he goes. He starts by teaching about the cylinder numbering ...