Application of practical hydrodynamics to airship design (1933)
NASA Technical Reports Server (NTRS) · leaf 3
icular to the axis AA. — 2 (A cos 1^0 cos a)2—^Bsin^o+^C^ -|~B sin fa sin a dFT=pr sin <£ d <£ (5) + (20S- OS^-2S) X ^JJtt tan a (6) Longitudinal, parallel to the axis of ellipsoid. dFL—pr tan a d 4> In case of pitched flight the same expression re- (c) Perpendicular to plane of symmetry, parallel… … -SO -20 -IX) O +1-0 +2X3 +3.0 +4.0 The total longitudinal force will reach its maximum Pressure. Sx/sq. ft. compressive value a short distance behind the bow. Fiottbe 3.—Hydrodynamlc prelim) distribution over two cross sections— At the maximum section it has a slight negative (ten- ZMC-S plotted…
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