.....mmm...well if it's this one from here on SimV then I agree it is a little bit twitchy .........
http://www.simviation.com/fs2004props7.htm editing the first line of the Aircraft.cfg contact points section like this....should settle her down some ..
[contact_points]
point.0= 1.000, -14.400, 0.000,
-2.2, 1574.803, 0.000, 0.527,
30.0,
0.4, 2.500, 1.813, 0.000, 0.000, 0.000, 0.000, 0.000
...make a copy of the original first in case you want to go back.......commoner


"In theory, there is no difference between theory and practice. But, in practice, there is."