RAPTOR 3: THE MOST POWERFUL, SIMPLE, AND EFFICIENT ROCKET ENGINE EVER BUILT – ELON MUSK ON THE PATH TO MARSRaptor 3 represents a massive leap in rocket engine design: fully integrated cooling, no heat shield needed, record thrust-to-weight ratio, and simplified architecture that slashes complexity while boosting performance.This engine is the beating heart of Starship V3/V4, enabling higher thrust (over 300 tons per engine target), better reliability, and the rapid reusability required for Mars fleet operat ...