I am researching how much force is needed to divert the thrust of a Boeing 787 on its service ceiling of 13,100 meters and at a cruising speed of 913 km/h (data found on Wikipedia).

As I would like to fit a diverter to it, what is the diameter of the nozzle of Trent 1000 engine?

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    $\begingroup$ What is the purpose of the exercise? There are no obvious reasons why anyone would want to divert thrust of an airliner at cruise - most airliners have a rather narrow flight envelope at full cruise, diverting thrust would likely produce a stall. $\endgroup$ – paul Mar 11 '15 at 6:59
  • $\begingroup$ "I would like to fit a diverter to it" - do not perform such a major modification to a plane without a license and without checking with the aircraft manufacturer first. $\endgroup$ – raptortech97 Apr 16 '15 at 2:22

It is mentioned here that the fan diameter is about 111-112 inches. So the nozzle must be smaller than that as the engine assembly narrows at its rear end.

This PDF (p.5) shows a diagram of the exhaust nozzle of RR Trent 1000 measuring the diameter as 63 inches. This is the only reference I could find.

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