Diesel engines have pistons that look different from the ones you'd see with a gas engine. There's a reason why that's the ...

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.

If you recall, the man has spent nearly five years constructing a nine-cylinder radial engine from a smattering of Honda single-cylinder XR600 thumpers. The last time we saw this beast ...