The Real Reason Why Pilots Rev Up Engines Right Before Takeoff

For many passengers, the most heart-racing moment of a flight isn’t the climb or the landing. It’s those several seconds at the start of the runway, when the engines suddenly roar at a deafening volume while the brakes stay locked. It feels like the pilots are revving the aircraft like a racing car before launch. But inside the cockpit, this is not performance, it’s procedure. It is a carefully trained, highly technical procedure that involves physics, weather protection, and detailed system che