Ok I added 20hp in the engines.cfg and I think that will do.
Noted on the turbulence, the twitching seems to largely go away when I remove all weather.
Thanks again for the help. I think I’m sorted 
.
Ok I added 20hp in the engines.cfg and I think that will do.
Noted on the turbulence, the twitching seems to largely go away when I remove all weather.
Thanks again for the help. I think I’m sorted .