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IIRC leading fuel efficient turbo jet cost like ~10m + 1m for maintenance and consumes 70m worth of fuel over 30k hour life time. An engine 15% less fuel effici
by maxglute 2y ago
IIRC leading fuel efficient turbo jet cost like ~10m + 1m for maintenance and consumes 70m worth of fuel over 30k hour life time. An engine 15% less fuel efficient would have to cost $0 to be competitive.
- anovikov 2y agoSee. But building a jet engine that "just works" without a particular profitability is not at all hard. Like, one that burns 50% fuel for same thrust than the best state of the art. That's about the level of disposable engines used in cruise missiles and drones.