I have not tried flaps on mine and this may be a dumb question but when would flaps come in handy. I do not do a lot of fancy flying but I am starting to and what a great plane so easy to fly. I had a friend mine hooked to a buddy box and it was great for that. Would you mind telling me where your CG is. I bought this plane used and haven't tracked down the manual yet. I can probably download one from Hangar 9. Thank you