The RPM of an aircraft's engine determines its power and speed, with higher RPMs generally indicating more power. General ...

His latest effort is capable of running at up to 4,500 RPM, and delivering a full 0.05 horsepower. Two-cylinder power! [Tom’s] ultimate goal is to put his new tiny air engine on a small model ...

This car showcases RPM’s work on ... a wide-eyed lunge for the rev limiter and a distillation of the induction note into a singular, piercing howl. Extending the engine throughout its rev ...