Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 195
OMMITTEE FOR AERONAUTICS TABLE II for sinking speed ws. The parasite drag coefficient was defined then as the total drag coefficient minus Altitude Ta (eq. (4.5)) Ta (fig. 23) the effective induced drag coefficient which was cal¬ culated as the minimum induced drag produced by Sea level. 1.000… … Figure 24a.— Flight test polar diagrams showing the effect of introducing the airplane efficiency factor, e CDp=CD-CDi-, Cnpt= Co- C^-> (a) Douglas XO-14, e=0.75 (Ref. A. D. M. 3112); (b) Sperry Messenger, e=0.85 (Ref. National Advisory Committee for Aeronautics Technical Report No. 304); (c)…
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
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