Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 280
econd curve is formed ; thecurves running into each other, and producing a progressivewaved track similar to what is represen ted at a, c, e, g, i, offig. 81, p. 157. This result is favoured if the operator runsforward so as not to impede or limit the action of the wing. How the Wave Wing creates… … Fig. 129. and artificial wings. These experiments led me to concludethat when the wing descends, as in the bat and bird, itcompresses and pushes before it, in a downward and forward 254 AERONAUTICS. direction, a column of air represented by a, h, c of fig. 129, p.253.^ The air rushes in from all…
Animal locomotion · Aeronautics
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