Actually, flying within 5 knots of your stall speed (up high though) and making turns while doing so is part of the most basic flight training for full scale. It shows confidence and precise aircraft control. I have flown a cessna 150 at 40 knots, and made turns in winds aloft that are blowing at 30 knots. Did my airspeed drop to 10 knots causing the plane to stall and then enter a spin? No, absolutely not. Did my ground speed increase from 10 knots to 70 knots? Yes, and that is all.


Don
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Well said.
As I mentioned in another thread about this same argument, inertia, momentum, gravity, ground speed, and air speed all play a part in flying. The thing a lot of full scale guys don't realize is that they have airspeed indicators that keep them from flying on the edge of a stall in most casesag. Most full scale pilots wouldn't dare fly a Cessna in 60mph winds at just above stall speed and make a downwind turn at an altitude of 250 feet. But that is about equall to what an RC pilot is doing when he flies an Avistar 50 feet high in a 12mph headwind at 1/2 throttle and then makes a turn downwind.
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