I've built a Great Planes 60 size Cub and it went together very well and flies nicely. When I was in high school, I unsuccessfully tried to build the Sig 1/6 scale Cub, but quit after doing the wing and part of the fuselage. From what I hear, the Sig 1/5 is a completely different story and a good kit. The Sig kits have more detail than the GP kits. If you want to learn more about the GP kits, find them on the Tower Hobbies website and download the manual.

I built mine with the full wing. The adverse yaw is a bit of an issue, but in my opinion is part of the charm of a Cub. With differential aileron set up, it's not too bad. It does make for difficult transport (90"). I may build a clipped wing for it someday.

-Scott