The big beastie idles at around 600 rpm, and our favorite mad engine builder has rigged up a clever disc-brake load generator to give the radial something to work against. Pushing against the load ...

Russell Sutton is a man after our own heart. The craftsman has spent the last four years building a nine-cylinder radial engine using a smattering of Honda XR600 singles for his airboat.

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.