Hy guys:I am trying to build a fuselage but in the tail cone i have problem with all the polys not smoothing at all, any suggestion on how to fix the problem??Here is a pictureJorgehttp://forums.avsim.net/user_files/89933.jpg

That occurs at times when there is a sharp taper over a distance. Not much to do than boolean another cross section into the area via the "split" option. Another option is to have more sides on the cylinder, but that's not possible at that stage.