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 ...

The Merlin engine and grid fin will go on display at the National Air and Space Museum. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A SpaceX ...