[38] Some P-forty seven pilots claimed to possess broken the seem barrier in steep dives, but later study discovered that as a result of stress buildup inside the pitot tube at substantial speeds, airspeed readings became unpredictably exaggerated. As P-47s ended up in the position to out-dive enemy fighter planes https://lhcathome.cern.ch/lhcathome/show_user.php?userid=1942708