I'm guessing that this was an Edge like wing with a straight leading edge and swept forward trailing edge? If so then you effectively have some forward sweep angle at the 25% chord line. AFAIK forward sweep tends to delay the stall at the tips.


And it always will. Especially at our sizes and weights. The shape, sweep and other stuff are bandaids. But I think it has more meaning in full sized stuff as they operate over a far narrower achievable range of wing loadings. The full sized stuff generally tries to keep the wings as small as possible for less cruise drag but with a nod of the head to landing speed range. But since they are all designing to a rather narrow range of requirements is it any wonder they all come out much the same shape and size for the given mission? We only see a big move away from this rather narrow path when the mission alters radically like with the U-2 or the recent two decades of aerobatic planes.


I've seen a lot of that when flying gliders. The pilots that learned on polyhedral RES models just cannot seem to get it into their heads that you can't take a model flying low and slow and throw a bunch of aileron into it for a last minute steep turn. The model dorks in and cartwheels and they are totally befuddled as too what happened. A wild range of theories results but the one real cause is never uttered.