I have a Boomerang XL. It has a very low landing speed. Higher speed landings with a lot of prolonged down elevator and it will "wheel burrow" , so I just blip the brakes to slow the plane. It works fine.......... Back in the day, the only DF I ever saw with brakes was the Byron F15. By todays standard describing them as cheap would be an understatement. They had plastic drums and shoes with some little aluminum pads. They functioned though....... After a successful flight you were the Jet god at the field. But before the next flight you needed to install some new glow plugs, some tuned pipe couplers, A header O ring, some brake shoes, and couple flat spotted fuel soaked bloated tires, the O rings in the fuel selector valve, and a ripped mylar thrust tube. And don't forget to make sure the head bolts were tight.