[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 ...

The other standout feature was the five-cylinder ... model was discovered and restored to operating status in 1966. 1935 Monaco Trossi Grand Prix Racer The high power output of the radial engine ...

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.