RE: 1st. Plans build help!!
My only concern here is... (Now I've never built a Kadet Sr. so if I'm wrong, don't be afraid to slap me)
When building from a set of plans that came with a kit, the plans often do not show all of the parts.
Example, there may be a side view of the end rib, but the inner ribs (The ones that get sheeted) may be different due to the sheeting.
That's just an example, there may be several problems like this that pop up