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1

No it cannot climb with only one engine. If it can climb with one engine the plane would be a twin jet not a quad jet. The number of engines is determine by power require for normal operation plus a margin in case one engine malfunctions during climb out. An engine is a very expensive piece of equipment both in term of up front cost and maintenance so two ...


2

I thought we could just check the thrust and weight, but it's not that easy. The static thrust of one engine looks like it is enough for both aircraft: B744 has MTOW 4050 kN, estimating L/D to 18 it needs 225 kN to maintain altitude and the static thrust is 276–282 kN (depending on engine option). A388 has MTOW 5640 kN, using the same L/D it needs 313 kN to ...


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