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Why aren't plane engines mounted closer to each other or closer to the fuselage to reduce extra forces on the wings?

A380 Cargolux 747-8

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  • $\begingroup$ Welcome, Mark! Please see aviation.stackexchange.com/questions/23375/… and aviation.stackexchange.com/questions/1397/… before asking. If the answers to both questions leave something open, refer to the existing answers so we know how to help you. $\endgroup$ Jul 3, 2017 at 18:47
  • $\begingroup$ Placing the engines further out actually helps to relieve the load: in flight the wing provides lift and bends upwards, the fuselage hangs from the wings. $\endgroup$
    – Koyovis
    Jul 3, 2017 at 22:15
  • $\begingroup$ Also, a practical but un-ignorable requirement, if they were closer to the body, they would be closer to the ground during takeoff and taxiing, and the need a certain ground clearance. This helps avoid ground strikes, and improves performance during takeoff by providing undisturbed air to the engines. Engines often create a ground vortex in the intake which sucks up any dirt or objects from the ground. The CFM 56 engine has an oval intake because it's quite close to the ground. $\endgroup$
    – Penguin
    Aug 2, 2017 at 10:24

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