Not an engineer so I’m no expert, but I remember some test pilot in the US about 10 – 15 years ago pushing a Partinavia to its limit in front of an air show crowd with his wife doing the commentary. The poor sole parted both wings from the airframe just outboard of the engine nacelles. Both engines seemed to be intact and running until impact in a 45° nose down attitude, wings level and his wife in hysterics.
