Stability in aviation : an introduction to dynamical stability as applied to the motions of aeroplanes (1911)
Bryan, George Hartley, 1864-1928 · London : Macmillan · leaf 134
THREE PLANES ii8 CHAP. By the rule for multiplication of two determinants this is equal to S'lfii, S\^fi2, -S'sMs f^v M2. H-3 X , 1, 1, 1 I = 2S\S'2S': 1, 1, 1 S\, S'2, S's X.2, X^ ^1, (128) and is essentially i^ositive, unless it he zero. … [Tlie Sporl and Ocarral Ilhwlralioiu Co. WiOto.l -M. Henry Farman Flying at Blackpool. Fio. IV. An aeroplane with auxiliary surfaces fore and aft constituting a "three plane" s^'steni as in § 73, each pair of superposed planes counting as a single plane for the purposes of longitudinal stability.…
Stability of aeroplanes
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
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