Hi Stephane,
I think we're at crossed sims here! From your post in the other thread I believe you're referring to the X-Plane version, my comments are regarding the FSX/P3D version and as I don't have X-Plane I can't compare the two - different teams and I am unsure how the fde work is done for that.
My comments regarding the flaps are based on the latest revision for FSX and P3D, which should give a strong pitching up motion. The 152 pilots I refer to were testing the FSX/P3D version, NOT the X-plane version.
What I do find very interesting is your comment about the CG being above the centre of thrust line - it would explain and may be a way forwards. However, in the FSX/P3D fde that I built, the CG is located exactly on the position shown in the aircraft manual (diagram shown below:) http://s956.photobucket.com/user/delta558/media/152%20CG.jpg.html" rel="nofollow">
If the diagram / manual is showing the CG incorrectly, it may well explain the reticence for the aircraft to pitch on throttle movement. Unfortunately, I can only go on what I have in front of me in black and white as it is generally classed as solid reference material.
I'm not sure how many of your points in the other thread may apply to both sims or if they are specific to the sim you are using. However, that is really good info (particularly speeds for RPM in specific configs) and is exactly the sort of thing I find useful when fine-tuning a flight model so I will 'borrow' that list at some point soon and run it through my sim fde to check and adjust accordingly.
Thanks for the input, really helpful even though it originated from the 'other' sim, Paul.
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