[38] Some P-forty seven pilots claimed to own damaged the seem barrier in steep dives, but later on exploration revealed that because of the force buildup Within the pitot tube at higher speeds, airspeed readings grew to become unpredictably exaggerated. As P-47s had been ready to out-dive enemy fighter planes http://www.drugoffice.gov.hk/gb/unigb/kowear.com/american-fighter/