Annual report - National Advisory Committee for Aeronautics (1915)
United States. National Advisory Committee for Aeronautics · Washington, U.S. Govt. Print. Off · leaf 449
4 — NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS Effect of slot shape on profile drag. — A comparison coefficient for take-off with a good slotted flap seems to of the envelope polars for slotted flaps 1-a and 1-b be around 2.5; therefore, it is important to have as low (fig. 13) shows that, for… … Section lift coefficient, cl Figure 13.— Comparison of slotted flaps 1-a and 1-b. Figure 14.— Comparison of slotted flaps 1-b and 1-c. the higher lift coefficients may be accounted for by the ment 1-a in the low-lift (high-speed) range can be better shape of this slot lip, which directs the air…
Aeronautics · Aeronautics, Military · United States. National Advisory Committee for Aeronautics · Aeronautics -- United States -- Periodicals · Aeronautics, Military -- United States -- Periodicals
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