Aeronautical Engineering And Airplane Design
Aeronautical Engineering And Airplane Design
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In our eReader you can find the full English version of the book. Read Aeronautical Engineering And Airplane Design 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 Aeronautical Engineering And Airplane Design
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88 Wire, Strand or Cord Roebling's report does not settle the question as to which is a correct selection. A comparative table shows the progressive decrease in strength.
Material. Wire Strand 7 by 19 cord Diameter. 3/16 3/16 3/16 Strength of material. 5, 500 4, 600 4, 200 Strength of stay 5, 100 4, 100 3, 500 A stranded or cord stay has about 20 per cent more aero- dynamical resistance than a solid wire of about the same diameter. There appears to be a slight advantage in favor of solid wire a...s regards strength of stay. On the other hand, the strand stay is one and a third times more elastic, the cord one and three-quarter times more elastic than the solid wire. In American practice all three types of stays appear. No doubt the use of strand or cord is justified by the extra elastic stretch and flexibility.
Exact data on the fatigue values of the three materials is not available, but it is well known that strand or cord will stand up much better to vibration than a wire. Also in a continuous beam structure such as that of a wing, there may be deflections of unknown magnitude, in which case the more elastic cable will be somewhat safer.
What to read after Aeronautical Engineering And Airplane Design?
You can find similar books in the "Read Also" column, or choose other free books by Alexander Klemin to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
88 Wire, Strand or Cord Roebling's report does not settle the question as to which is a correct selection. A comparative table shows the progressive decrease in strength.
Material. Wire Strand 7 by 19 cord Diameter. 3/16 3/16 3/16 Strength of material. 5, 500 4, 600 4, 200 Strength of stay 5, 100 4, 100 3, 500 A stranded or cord stay has about 20 per cent more aero- dynamical resistance than a solid wire of about the same diameter. There appears to be a slight advantage in favor of solid wire a...s regards strength of stay. On the other hand, the strand stay is one and a third times more elastic, the cord one and three-quarter times more elastic than the solid wire. In American practice all three types of stays appear. No doubt the use of strand or cord is justified by the extra elastic stretch and flexibility.
Exact data on the fatigue values of the three materials is not available, but it is well known that strand or cord will stand up much better to vibration than a wire. Also in a continuous beam structure such as that of a wing, there may be deflections of unknown magnitude, in which case the more elastic cable will be somewhat safer.
What to read after Aeronautical Engineering And Airplane Design?
You can find similar books in the "Read Also" column, or choose other free books by Alexander Klemin to read onlineMoreLess
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