Bjorn’s Corner: New engine development. Part 28. Wrapup.

October 11, 2024, ©. Leeham News: We have done an article series on why engine development takes longer than airframe development. Part of the reason is that advancements in engine technology can deliver considerably higher fuel consumption reductions than… Read More

Bjorn’s Corner: New engine development. Part 10. Airframe integration

May 24, 2024, ©. Leeham News: We do an article series about engine development. The aim is to understand why engine development now has longer timelines than airframe development and carries larger risks of product maturity problems. To… Read More

Bjorn’s Corner: New engine development. Part 8. Open Rotor technology

May 17, 2024, ©. Leeham News: We do an article series about engine development. The aim is to understand why engine development now has longer timelines than airframe development and carries larger risks of product maturity problems. To… Read More

Bjorn’s Corner: New engine development. Part 7. Open Rotor Propulsive Efficiency

May 10, 2024, ©. Leeham News: We do an article series about engine development. The aim is to understand why engine development now has longer timelines than airframe development and carries larger risks of product maturity problems. To… Read More

Pontifications: “The need for radical fuel improvements will only increase over time.”

May 30, 2023, © Leeham News: “The need for radical fuel improvements will only increase over time.” That’s the definitive conclusion of Arjan Hegeman, GE Aerospace’s general manager of advanced technology. GE is working on Performance Improvement Packages… Read More

CFM announces the RISE engine program

June 14, 2021, © Leeham News: GE and SAFRAN took to the stage today to announce the extension of their CFM joint venture to 2050 and the CFM technology program RISE. RISE stands for Revolutionary Innovation for Sustainable… Read More