Flight comparison of several techniques for determining the minimum flying speed for a large, subsonic jet transport
David A. Kier, NASA Flight Research Center, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, 1970 - Technology & Engineering - 36 pages
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1-g break 1-g-break stall maneuvers aircraft altitude analysis method anfp angle of attack approximately body-axis accelerometer calibrated airspeed center of gravity center-of-gravity certified stall speed characteristics CLmax Comparison constant-rate-of-climb technique corrected deceleration dynamics define the minimum deg/sec delta wing delta-wing effect of thrust Federal Aviation Regulations feet per minute figure 2(b Flight Research Center flight-path 1-g-break technique flight-path accelerometer flight-path normal acceleration ft/min h-break knot/second knots/sec landing configuration lift-to-drag ratio Lmax longitudinal m/sec maneuvers were performed maximum lift capability maximum lift coefficient meters per second minimum airspeed minimum flying speed minimum speed NACA parameters percent pounds 74,745 kilograms rate of change rate of climb shown in figure sink rate slope speed derived stall maneuvers performed subsonic jet transport test airplane test gross weight three techniques Thrust effects thrust-to-weight ratio Typical time history variation versus Vmin method zero rate