An approximate spin design criterion for monoplanes (1939)
NASA Technical Reports Server (NTRS) · leaf 8
H.A.C.A. Technical Sote Ho. 711 Figs. 1,9 r s u v a c e n Al3 A14 A15 Ai6 Area A17 Ax8 A19 Ago x13 x14 x15 x16 Di8taj«5« x17 x18 x19 x20 Area of section Distance of - centroid of section to eg of airplane Fin Area under tail plane Body Body damping ratio - A^X]2* A3x32 » A12xx32 ♦ 3(A15xi32 »… … Unshielded rudder Tall damping Tail damping- x volume coefficient ratio power factor FL3 RjLi + R3L3 TDPF 8(b/3)2 S(b/3) Figure 9.- Method of computing tail damping-power factor.
NASA Technical Reports Server (NTRS)
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