At Pinecastle, a pit had been dug in the ramp with the X-1 being raised into the bomber, but it was badly developed.
once they read a boom on the bottom, Yeager signaled to Ridley, “This machmeter is all screwy!” https://sairavbed621899.imblogs.net/79703274/facts-about-supersonic-plane-in-silver-coin-revealed