Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
With the exp flight model enabled the C152 is over sensitive to the new downwash. Opening the throttle on take-off the aircraft rears up as if excessively tail-heavy.
Deselecting the exp flight model the take-off becomes normal again.
Derry.