Practical stability and controllability of airplanes (1923)
NASA Technical Reports Server (NTRS) · leaf 7
irplanes having a tail of high aspect ITio. U.—Effeet of fallsaifteeseotkm onlUt. ratio such as the DH4 «.nd the VE7 are stable, while the numerous machines with low aspect ratio tails are in every case unstable. The characteristics of the airplane previously discussed affected only the degree of… … Air ape'-''in M.PH. varying the section will produce stability at "Fia. 13i—Elloct of tallsiufacesoction on stability. various angles of the tail, which is equivalent to saying at various air speeds, so that.by varying the section it is possible to produce stability at any given air speed. An…
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