Revived Propfan Engine Boosts Aircraft Fuel Efficiency by 20%

1 min read
Source: Interesting Engineering
Revived Propfan Engine Boosts Aircraft Fuel Efficiency by 20%
Photo: Interesting Engineering
TL;DR Summary

GE and CFM Rise are partnering to develop and build a super-efficient "propfan" engine that promises to deliver 20% fuel saving over conventional turbojet engines. The propfan design was first conceived in the 1970s and made significant progress in the 1980s before being mothballed.

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