Airplane characteristics; a systematic introduction for flyer and student and for all who are interested in aviation (1918)
Bedell, Frederick, b. 1868- · Ithaca, N. Y., Taylor and Company · leaf 28
if the angle is doubled, the coefficientof lift is approximately doubled. After reaching a maximumvalue (in this case about 0.002) the coefficient decreasessomewhat irregularly*, becoming zero at 90° incidence. This maximum value is only two-thirds as great as themaximum value obtained by a… … 10° 150 ajo ANGLE OF ISCIDENCB Fig. 7. Curves showing L/D ratio and D/L ratio for flatrectangle; aspect ratio, 6. Lifting efficiency or L/D ratio. The ratio of lift to wing-resistance, is frequently referred toas the lift-over-drift ratio or the L [D ratio, or as the liftingefficiency of a plane or…
Airplanes
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