Andy, here are some pics , scale is in cm.
You don´t have to bother about the retract rails, You can change them like You want.
The Forum is so helpful, especially for a kit like this.
So do as suggested by a lot of pilots here : reinforce everything in the mainsection.
( perfect therefore is PU-Glue)
Regards
Andy
( I love the
PR Versions with the nice
PR-BLUE)