The older pattern planes had full span ailerons. I'm flying a Widebody and it has them except for about 1 1/2 inches from the fuselage. The aileron area is huge. The Epsilon is the same. I've heard from someone that the Widebody seems somewhat smoother for pattern flying without ailerons and elevators running out to the tips. Some of the older designs had flutter problems with ailerons running to the tips and builders would shorten them to cure this.

Tip vortices would depend on a few things besides just ailerons going to the tips. Shape of the wing tip would be a major factor. Wing shape matters a lot.