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Certainly is. With the modern aircraft, I often wonder about the flight controls and easability to fly those beauties. As any aerodymacist knows, the smaller scales are not representative of the full size version with respect to aerodynamic and handling qualities. To build an EXACT copy of a modern warbird and fly her is truly impressive, especially if you are trying to mimic scale speed. Most modern RC aircraft are much to "scale" fast, because to maintain controllability high speeds are required.