Turbofan Engine: Humanity’s Hardest Machine to Build Aerospace North America Turbofan Engine: Humanity’s Hardest Machine to Build Farhan J. Satti (Chief Editor) July 13, 2026 2 High-bypass turbofans push materials, aerodynamics, and manufacturing tolerances to their practical limits. GE Aerospace’s GE9X is the... Read More Read more about Turbofan Engine: Humanity’s Hardest Machine to Build