chipster19 2 Posted June 8, 2015 Share Posted June 8, 2015 Hello, By performing several flights with CFM and IAE versions with same weather and same airport , I noticed that the IAE version decelerates slower than the CFM version. I don't know why i have this. Aerodynamics performances are differents between IAE and CFM version ? Thanks Nicolas Link to comment Share on other sites More sharing options...
eurowing 65 Posted June 9, 2015 Share Posted June 9, 2015 the IAE engines are more powerful which would explain that. just my guess... Link to comment Share on other sites More sharing options...
Airbus339 129 Posted June 9, 2015 Share Posted June 9, 2015 There's a big difference in IDLE thrust between CFM and IAE.. so that is mainly the reason why IAE Airbuses decelerate slower Link to comment Share on other sites More sharing options...
vysous 5 Posted June 12, 2015 Share Posted June 12, 2015 There's a big difference in IDLE thrust between CFM and IAE.. so that is mainly the reason why IAE Airbuses decelerate slower Just out of curiosity - can you explain this "big difference" in more detail? Thanks! Link to comment Share on other sites More sharing options...
Deputy Sheriffs mopperle 4162 Posted June 12, 2015 Deputy Sheriffs Share Posted June 12, 2015 http://www.pprune.org/archive/index.php/t-9841.html http://booksite.elsevier.com/9780340741528/appendices/data-b/table-1/default.htm also a lot of other explanations when using Google search Link to comment Share on other sites More sharing options...
vysous 5 Posted June 12, 2015 Share Posted June 12, 2015 http://www.pprune.org/archive/index.php/t-9841.html http://booksite.elsevier.com/9780340741528/appendices/data-b/table-1/default.htm also a lot of other explanations when using Google search Lots of material about the difference in general. I was asking about the "big difference in IDLE trust", affecting so much the slowing-down characteristics of the plane. Link to comment Share on other sites More sharing options...
Airbus339 129 Posted June 12, 2015 Share Posted June 12, 2015 Lots of material about the difference in general. I was asking about the "big difference in IDLE trust", affecting so much the slowing-down characteristics of the plane. You can see by yourself also on the ground: CFM has 20% N1, IAE has 24% This difference, obviously is also there in flight Link to comment Share on other sites More sharing options...
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