vonmar 8 Posted January 5, 2019 Share Posted January 5, 2019 Hello, TOPCAT v2.74 PFPX v2.03 Engine type question. In TOPCAT the engine type is P4056 (screenshot). In PFPX the engine type is P4056-P3 (screenshot). Why is it not the same engine type in both TOPCAT and PFPX? Please login to display this image. Please login to display this image. Please login to display this image. Please login to display this image. Link to comment Share on other sites More sharing options...
phil747fan 52 Posted January 5, 2019 Share Posted January 5, 2019 hello Vaughan, if i do remember well the difference is so slim that nothing to bother at all. a good to go. Link to comment Share on other sites More sharing options...
vonmar 8 Posted January 5, 2019 Author Share Posted January 5, 2019 Philippe, Thanks for the reply. I wondered if a wrong engine type was just a typo or the wrong engine was actually modeled/used in the software? A reply on the iFly forum also mentioned, as you did, that it was but a slight difference. Unknown reason for theengine type switch. Link to comment Share on other sites More sharing options...
phil747fan 52 Posted January 5, 2019 Share Posted January 5, 2019 i think Doug created it that version and pretty sure it is coming from a boeing bulletin and from 767 engine mod. do not think it is really impacting the flightplanning or even the perfs calculation of topcat. Link to comment Share on other sites More sharing options...
phil747fan 52 Posted January 5, 2019 Share Posted January 5, 2019 bingo found something for you: http://aerowinx.com/board/index.php?topic=2052.0 Link to comment Share on other sites More sharing options...
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