hat's what i did. My cap 232 was like that. Small ailerons and almost no throw allowed. The aileron stocks they use are hollow and are really flimsy, Which means that therre is more deflection twards the wing root than twards the tip, because it bends. I took it out and replaced them The stock they use is 1 inch stock, i put in 1.5 and used a much higher grade of balsa. so it is really strong now and i get around 2 rolls per second. Take a look at this picture. The white line represents the amount of aileron added. I added 24 sz.in of aileron surface total, 12 sq. in on each side. Together with more throw than was allowed before, and larger ailerons, It is more responsive at low speeds, and i can roll twice as fast.