| 11. | These were believed to be the source of the stability problems at transonic speeds up to XB-35 and YB-49 aircraft.
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| 12. | He and chief engineering test pilot Milo Burcham alternated flying dive tests to observe the design's performance at transonic speeds.
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| 13. | At transonic speeds ( around Mach 0.8 to Mach 1.3 ), it has a better lift-to-drag ratio than a conventional wing.
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| 14. | It was designed to undertake reconnaissance mission at a depth of several hundred kilometers from the front lines at transonic speeds.
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| 15. | In terms of performance, the aircraft was expected to have better aerodynamic performance at medium to low altitudes and at transonic speeds.
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| 16. | A supercritical airfoil is an airfoil designed, primarily, to delay the onset of wave drag on aircraft in the transonic speed range.
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| 17. | Both of the Messerschmitt types had swept wings to delay the onset of small shock waves and the accompanying drag at transonic speeds.
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| 18. | There is no magical technology on the Sonic Cruiser that allows it do what other jets have not-- fly efficiently at transonic speeds.
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| 19. | He emphasized the need to study the dangerous regime of " shock stall ", and to safely transition through transonic speed and beyond.
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| 20. | During high-thrust settings the fan blades at the intake of a turbofan engine reach transonic speeds, causing a sudden drop in air pressure.
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