Here you can download free plans for a foam rc plane.
NOOB TUBE Foamboard Fun Flyer
Horizon Hobby Apprentice STS airplane
FT Spitfire P40 Mustang CRASH
RC Pontoon Boat Build (DIY From Scratch)
RC Plane Flight Test
How To Make a Airplane - RC Airplane
My diy fpv view from rc plane.
FEIYUE FY07 RC 4WD Desert Eagle Off Road Car Review
Online calc of the CG of an RC airplane