. The railroad and engineering journal . Fig. . of 45°, and the power is obtained from twisted rubber. Inconsequence of the peculiar motion of the wings, thismodel was able to start direct from the ground, but owing results obtained, in this as well as in the three othermechanical birds previously described, led to the inferencethat there was great waste of power, as compared withthat of birds. This was attributed to the rigidity of the. Fig. 19.—JOBERT—1S72. front edge of the wings in all these models, and accord-ingly in 1876 Tatin took the problem up again and suc-ceeded, by
. The railroad and engineering journal . Fig. . of 45°, and the power is obtained from twisted rubber. Inconsequence of the peculiar motion of the wings, thismodel was able to start direct from the ground, but owing results obtained, in this as well as in the three othermechanical birds previously described, led to the inferencethat there was great waste of power, as compared withthat of birds. This was attributed to the rigidity of the. Fig. 19.—JOBERT—1S72. front edge of the wings in all these models, and accord-ingly in 1876 Tatin took the problem up again and suc-ceeded, by a double eccentric working two levers con-nected to the front edge of the wing, in giving it a twist-
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
