Manual of Aerography for the United States Navy 1918
Manual of Aerography for the United States Navy 1918
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In our eReader you can find the full English version of the book. Read Manual of Aerography for the United States Navy 1918 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Manual of Aerography for the United States Navy 1918
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To quickly assess the difficulty of the text, read a short excerpt:
" Fortunately, how- ever, it is easy to determine by the aid of a suitable station barograph whether or not billows are prevalent in the low atmosphere, since they produce frequent (5 to 12 per hour, roughh') pressure changes, usually of 0. 1 Kb. To 0. 4 Kb. At the surface.
Wind gusts. Near the surface of the earth the wind is always in a turmoil, owing to friction and to obstacles of all kinds that interfere with the free flow of the lower layers of the atmosphere, and thereby 48 MANUAL OF AER...OGRAPHY.
allow the next higher layers to plunge forward in irregular fits, swirls, and gusts, with all sorts of irregular velocities and in every which direction. Indeed, the actual velocity of the wind near the surface of the earth often and abruptly varies from second to second by more than the full average value, and the greater the average velocity, the greater, in approximately the same ratio, are the irregu- larities or differences in the successive momentary velocities.
Clearly, in a wind of this kind, if at all violent, the support to an aeroplane is correspondingly erratic and varies between such wide limits that the aviator finds himself in a veritable nest of "holes" out of whicn it is difficult to rise, at least with a slow machine, and sometimes dangerous to try.
What to read after Manual of Aerography for the United States Navy 1918?
You can find similar books in the "Read Also" column, or choose other free books by Alexander Mcadie to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
" Fortunately, how- ever, it is easy to determine by the aid of a suitable station barograph whether or not billows are prevalent in the low atmosphere, since they produce frequent (5 to 12 per hour, roughh') pressure changes, usually of 0. 1 Kb. To 0. 4 Kb. At the surface.
Wind gusts. Near the surface of the earth the wind is always in a turmoil, owing to friction and to obstacles of all kinds that interfere with the free flow of the lower layers of the atmosphere, and thereby 48 MANUAL OF AER...OGRAPHY.
allow the next higher layers to plunge forward in irregular fits, swirls, and gusts, with all sorts of irregular velocities and in every which direction. Indeed, the actual velocity of the wind near the surface of the earth often and abruptly varies from second to second by more than the full average value, and the greater the average velocity, the greater, in approximately the same ratio, are the irregu- larities or differences in the successive momentary velocities.
Clearly, in a wind of this kind, if at all violent, the support to an aeroplane is correspondingly erratic and varies between such wide limits that the aviator finds himself in a veritable nest of "holes" out of whicn it is difficult to rise, at least with a slow machine, and sometimes dangerous to try.
What to read after Manual of Aerography for the United States Navy 1918?
You can find similar books in the "Read Also" column, or choose other free books by Alexander Mcadie to read onlineMoreLess
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