I am neither pro nor con to the flaps or belly boards. The only reason that I would not install either, is because of the weight, complexity, time to build, more moving parts to break, and least of all, cost.
Other than that, and that I flew the Little Beast in and out of short, paved and grass fields, there is no reason why I would not install either or both. And it is not even Friday... Happy building. There is a time for building and a time for flying, and the time for building has long since expired. See N64KR at http://KR-Builder.org - Then click on the pics Daniel R. Heath - Columbia, SC See you in Mt. Vernon - 2004 - KR Gathering See our EAA Chapter 242 at http://EAA242.org