Suffice it to say, we’re big fans of Lego builds around here ... With the throttle wide open, the engine shows a max of 8,024 RPM—not bad for some toy bricks and a (now somewhat oily) dust ...

In the video after the break, [Brick Technology] uses LEGO to gain some practical insight into the world of piston engine design ... geometry to trade torque for RPM and vice versa, and build ...

For now, though, steam engines are limited to a few niche applications and, of course, models built by enthusiasts. This one for example is built entirely in LEGO as ... about 80 rpm, very close ...