This site is being deprecated.
Please see the official X‑Plane Support page for help.
The demo will perform exactly the same as the full sim aside from the limit on time & scenery. The C172 will behave the same way in the full sim.
My understanding is that this left pulling tendency is real world behavior. If you believe this is incorrect, you can file a bug at http://dev.x-plane.com/support/bugreport.html .
This site is no longer being actively maintained.