Uploaded May 2025 | Updated September 2026, 1 week ago

---

RISE (Revolutionary Innovation for Sustainable Engines) is a program developing a future open rotor engine with the goal of achieving 20% more fuel efficiency and lower carbon emissions compared to current commercial engines. This open rotor engine design, also known as a propfan, aims to combine the fuel efficiency of a turboprop with the speed and performance of a turbofan