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Originally posted by kilcoo316
edit: [little known fact] The engines of the A380 are sized for take-off/landing at Heathrow (and fitting into a 747 cargo hold), not for maximum efficiency in cruise
Originally posted by RichardPrice
Actually only the Trent 900 will fit on a 747F fully assembled, the GP7200 needs to be partially disassembled for shipping, or it needs to be shipped on an An-124. This means usually a GP7200 equipped A380 cannot have an engine replaced in the field.
Originally posted by kilcoo316
Ahh - I had been told it was a design requirement
Unless, that was something Airbus let the engine manuf and customers work out between them. Then they come to Airbus and tell them which engine they want.
Originally posted by RichardPrice
The noise limit for Heathrow was a requirement, but I have never heard of an engine size limit imposed by either Airbus nor Boeing other than what will physically fit on a wing.