My Bushwacker was on the downward turn of a loop, when I suddenly lost control and it plunged into a section of long grass at the side of the runway.
I am not going to mention the make of the nasty, evil receiver that caused the crash
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The plane hit the ground from a 20ft dive and the vast majority of it survived in tact, only the nose section suffered and some slight (repairable) damage to the wing on one side.
Everything from the wing leading edge was perfectly in tact, the nose and powerpod to the brunt of the impact. Nobody was as shocked as me when I inspected it immediately after the crash, my first thought was "its repairable" and I smiled.
If your planning on pulling high G maneuvers, vertical climb's and dives then by all means add some extra strength to the wing bracing. However, if your just planning to do the odd loops, barrel rolls, inverted etc you will probably be fine with it as it is. I managed all of those maneuver's multiples of times and the wing never suffered any damage as a result.