[38] Some P-forty seven pilots claimed to possess damaged the sound barrier in steep dives, but later on research disclosed that because of the force buildup In the pitot tube at higher speeds, airspeed readings turned unpredictably exaggerated. As P-47s ended up in the position to out-dive enemy fighter planes https://www.metooo.it/u/66ea9b2df2059b59ef3b170e