[38] Some P-forty seven pilots claimed to have broken the seem barrier in steep dives, but later study revealed that due to tension buildup In the pitot tube at significant speeds, airspeed readings grew to become unpredictably exaggerated. As P-47s had been ready to out-dive enemy fighter planes attempting to http://www.drugoffice.gov.hk/gb/unigb/kowear.com/american-fighter/