Need help with animated landing gear.....

I am looking at a standard whl file from a default FLY2 aircraft and trying to relate it to the number of parts in the 3d model. What I find confusing is the role of the shock and springs as they relate to the 3d max animation. Since FLY2 appears to have only one "mandatory" 'gear*' when naming the 3d parts, I don't understand the relationship between the number of parts in the landing gear, the animation of the complete gear assembly( which I 've succeeding in doing) and the whl file. I've read Jean's tutorial, but still need some hand holding....;-)I am ultimately trying to import the new 3d model with a whl file from the Stearman aircraft or rotw Beechcraft whl file.tony