Lego engines powered by compressed air are always a sight to behold, but sometimes they can be cumbersome contraptions that are too complicated for their own good. This tiny plastic eight-cylinder isn ...

Without question, the Rolls-Royce Merlin engine is one of the greatest piston pushers ever made. The 27-liter V12 was built in the 1930s and 1940s and would eventually go on to power allied fighter ...