Mar 22, 1956, waxa uu ahaa in Boeing B-29 Superfortress ah, taas oo ahayd in hawada-ka-tuuro Douglas D-558-2 Skyrocket. Waxa uu ku fadhiistay kursiga pilot midig halka taliyaha kursiga bidix, But Stanchart, duulay B-29.Sida ay kor u 30,000 feet (9 km), engine-number-afaraad joojiyay iyo marawaxadaha bilaabay windmilling (freely rotating) ee hawada. Hitting biiro in ay joojin lahaa spinning marawaxadaha ee, But Butchart helay, laakiin mar kale bilaabay in ay u rogto, markan xitaa ka badan kuwa kale; haddii ay si degdeg ah u soo jeestay, waxa uu lahaa injineer ah oo si degdeg ah hoos u dhacay lahaa in Douglas D-558-2 Skyrocket.
Armstrong (magaca iyo magaca)