United States. Army. Signal Corps · Washington · leaf 163
s perhaps a little easier to illustrate it aa above. Now, we will suppose that a gust or eddy throws the machine into the lower position. It no longer travels in the direction of T, since the momentum in the old direction pulls it off that course. M is now the resultant of the thrust and the… … Fig. 75. We will suppose that this decrease is 2°. Such decrease applies to both main surface and stabilizer, since both are fixed originally to the airplane. The main surface, which had (say) 12° angle, has now only 10°, i. e., a loss of one-sixth. The stabilizer, which had (say) 4° angle, has now…
Aeronautics, Military
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