Biplane cellules using N.A.C.A.-M6 airfoil section tested in N.A.C.A. variable-density wind tunnel; three cellules differing in amount of stagger tested at two air densities; indications that positive stagger increases induced drag, decreases maximum lift at Reynolds numbers near full scale, and displaces moment coefficient in positive direction.
Preliminary biplane tests in the variable density wind tunnel
Nat. Advisory Committee Aeronautics -- Tech. Note
1928
15 pages
7 Figs. on Supp. plates
Report
English
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