[38] Some P-47 pilots claimed to have damaged the audio barrier in steep dives, but later investigation disclosed that due to the stress buildup inside the pitot tube at significant speeds, airspeed readings grew to become unpredictably exaggerated. As P-47s were being ready to out-dive enemy fighter planes seeking to https://www.metooo.co.uk/u/66ea998e129f1459ee6c8595