Contribution to the aerodynamics of rotating-wing aircraft (1939)
NASA Technical Reports Server (NTRS) · leaf 34
N.A.C.A. Technical Memorandum No. 921 -^(^"-i^l- • •(75) Torque, Conformably to equation (70) the torque correction reads; n —it sin v 2 3t — 6 sin y/ + J J i>„2 • x • d y> dx a — u sin y 2rt — & sin v + — Jvx-vv- x*dy>dx n —iusin i/t 2 it —6 sin v a fir — u sill y -. + j JiV.^d V<*4 (76)
NASA Technical Reports Server (NTRS)
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